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This commit is contained in:
Michael Reber
2019-11-15 12:59:38 +01:00
parent 40a414d210
commit b880c3ccde
6814 changed files with 379441 additions and 0 deletions
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27
c/Pattern_Programs/0 909 89098.c Normal file
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/*
0
909
89098
7890987
678909876
56789098765
4567890987654
345678909876543
23456789098765432
1234567890987654321
*/
#include<stdio.h>
void main()
{
int i,j;
printf("0\n");
for(i=9; i>=1; i--)
{
for(j=i; j<=9; j++)
printf("%d",j);
printf("0");
for(j=9; j>=i; j--)
printf("%d",j);
printf("\n");
}
}

13
c/Pattern_Programs/1 12 123 1234.c Normal file
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#include<stdio.h>
void main()
{
int i, j;
for(i=1; i<=5; i++)
{
for(j=1; j<=i; j++)
{
printf("%d",j);
}
printf("\n");
}
}

31
c/Pattern_Programs/1 12 123....c Normal file
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@@ -0,0 +1,31 @@
/*
1 1
12 21
123 321
1234 4321
1234554321
*/
#include<stdio.h>
void main()
{
int i,j,k;
for(i=1; i<=5; i++)
{
for(j=1; j<=5; j++)
{
if(j<=i)
printf("%d",j);
else
printf(" ");
}
for(j=5; j>=1; j--)
{
if(j<=i)
printf("%d",j);
else
printf(" ");
}
printf("\n");
}
}

28
c/Pattern_Programs/1 12 358 13 21 34 55.c Normal file
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@@ -0,0 +1,28 @@
/*
1
1 2
3 5 8
13 21 34 55
89 144 233 377 610
*/
#include<stdio.h>
int fib(int);
void main()
{
int i,j,k=1;
for(i=1; i<=5; i++)
{
for(j=1; j<=i; j++)
{
printf("%d ",fib(k++));
}
printf("\n");
}
}
int fib(int n)
{
if(n<=1)
return n;
return(fib(n-1)+fib(n-2));
}

38
c/Pattern_Programs/1 121 12321 1234321 1234321 12321 121 1.c Normal file
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@@ -0,0 +1,38 @@
/*
1
121
12321
1234321
123454321
1234321
12321
121
1
*/
#include<stdio.h>
void main()
{
int num,r,c,sp;
printf("Enter number of rows : ");
scanf("%d",&num);
for(r=1; r<=num; r++)
{
for(sp=num-r; sp>=1; sp--)
printf(" ");
for(c=1; c<=r; c++)
printf("%d",c);
for(c=r-1; c>=1; c--)
printf("%d",c);
printf("\n");
}
for(r=1; r<=num; r++)
{
for(sp=r; sp>=1; sp--)
printf(" ");
for(c=1; c<=(num-r); c++)
printf("%d",c);
for(c=num-r-1; c>=1; c--)
printf("%d",c);
printf("\n");
}
}

19
c/Pattern_Programs/1 121 12321 1234321.c Normal file
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@@ -0,0 +1,19 @@
/*
1
121
12321
1234321
*/
#include<stdio.h>
void main()
{
int i,j;
for(i=1; i<=4; i++)
{
for(j=1; j<=i; j++)
printf("%d",j);
for(j=i-1; j>=1; j--)
printf("%d",j);
printf("\n");
}
}

13
c/Pattern_Programs/1 21 321 4321 54321.c Normal file
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@@ -0,0 +1,13 @@
#include<stdio.h>
void main()
{
int i, j;
for(i=1; i<=5; i++)
{
for(j=i; j>=1; j--)
{
printf("%d",j);
}
printf("\n");
}
}

37
c/Pattern_Programs/1 22 333 333 22 1.c Normal file
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@@ -0,0 +1,37 @@
/*
1
2*2
3*3*3
4*4*4*4
4*4*4*4
3*3*3
2*2
1
*/
#include<stdio.h>
void main()
{
int i,j;
for(i=1; i<=4; i++)
{
for(j=1; j<=i; j++)
{
if(j<i)
printf("%d*",i);
else
printf("%d",i);
}
printf(" \n");
}
for(i=4; i>=1; i--)
{
for(j=1; j<=i; j++)
{
if(j<i)
printf("%d*",i);
else
printf("%d",i);
}
printf(" \n");
}
}

13
c/Pattern_Programs/1 22 333 4444 55555.c Normal file
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@@ -0,0 +1,13 @@
#include<stdio.h>
void main()
{
int i, j;
for(i=1; i<=5; i++)
{
for(j=1; j<=i; j++)
{
printf("%d",i);
}
printf("\n");
}
}

21
c/Pattern_Programs/1 24 135 2468 13579.c Normal file
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@@ -0,0 +1,21 @@
#include<stdio.h>
void main()
{
int i,j,k;
for(i=1; i<=5; i++)
{
if(i%2==0)
{
k=2;
}
else
{
k=1;
}
for(j=1; j<=i; j++,k+=2)
{
printf("%d ", k);
}
printf("\n");
}
}

25
c/Pattern_Programs/1 24 369 4 8 12 16.c Normal file
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@@ -0,0 +1,25 @@
/*
1
2 4
3 6 9
4 8 12 16
5 10 15 20 25
6 12 18 24 30 36
7 14 21 28 35 42 49
8 16 24 32 40 48 56 64
9 18 27 36 45 54 63 72 81
10 20 30 40 50 60 70 80 90 100
*/
#include<stdio.h>
void main()
{
int i,j;
for(i=1; i<=10; i++)
{
for(j=1; j<=i; j++)
{
printf("%d ",i*j);
}
printf("\n");
}
}

17
c/Pattern_Programs/1 257 9 22 13 15 17 19.c Normal file
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@@ -0,0 +1,17 @@
/*
1
3 5 7
9 11 13 15 17 19
*/
#include<stdio.h>
void main()
{
int n=2,r,c,z=3;
printf("1\n");
for(r=1; r<=2; r++)
{
for(c=1; c<=r*3; c++,z=z+2)
printf("%d ",z);
printf("\n");
}
}

37
c/Pattern_Programs/1..10 11...c Normal file
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#include<stdio.h>
void main()
{
int a[10][10]= {0},i,j,low=0,top=9,n=1;
for(i=0; i<5; i++,low++,top--)
{
for(j=low; j<=top; j++,n++)
a[i][j]=n;
for(j=low+1; j<=top; j++,n++)
a[j][top]=n;
for(j=top-1; j>=low; j--,n++)
a[top][j]=n;
for(j=top-1; j>low; j--,n++)
a[j][low]=n;
}
printf("\t\t\tPerfect Square\n");
for(i=0; i<10; i++)
{
printf("\n\n\t");
for(j=0; j<10; j++)
{
printf("%6d",a[i][j]);
delay(300);
}
}
/*
1 2 3 4 5 6 7 8 9 10
36 37 38 39 40 41 42 43 44 11
35 64 65 66 67 68 69 70 45 12
34 63 84 85 86 87 88 71 46 13
33 62 83 96 97 98 89 72 47 14
32 61 82 95 100 99 90 73 48 15
31 60 81 94 93 92 91 74 49 16
30 59 80 79 78 77 76 75 50 17
29 58 57 56 55 54 53 52 51 18
28 27 26 25 24 23 22 21 20 19
*/

23
c/Pattern_Programs/1111 square.c Normal file
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@@ -0,0 +1,23 @@
/*
11111
1 1
1 1
1 1
11111
*/
#include<stdio.h>
void main()
{
int i,j;
for(i=1; i<=5; i++)
{
for(j=1; j<=5; j++)
{
if(j==5 || j==1 || i==1 || i==5)
printf("1");
else
printf(" ");
}
printf("\n");
}
}

20
c/Pattern_Programs/11111 0000 111 00 1.c Normal file
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@@ -0,0 +1,20 @@
/*
11111
0000
111
00
1
*/
#include<stdio.h>
void main()
{
int i, j;
for(i=5; i>=1; i--)
{
for(j=1; j<=i; j++)
{
printf("%d",i%2);
}
printf("\n");
}
}

13
c/Pattern_Programs/12345 1234 123 12 1.c Normal file
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@@ -0,0 +1,13 @@
#include<stdio.h>
void main()
{
int i, j;
for(i=5; i>=1; i--)
{
for(j=1; j<=i; j++)
{
printf("%d",j);
}
printf("\n");
}
}

13
c/Pattern_Programs/12345 2345 345 45 5.c Normal file
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@@ -0,0 +1,13 @@
#include<stdio.h>
void main()
{
int i, j;
for(i=1; i<=5; i++)
{
for(j=i; j<=5; j++)
{
printf("%d",j);
}
printf("\n");
}
}

23
c/Pattern_Programs/5432 543 54.c Normal file
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@@ -0,0 +1,23 @@
/*
5432*
543*1
54*21
5*321
*4321
*/
#include<stdio.h>
void main()
{
int i,j;
for(i=1; i<=5; i++)
{
for(j=5; j>=1; j--)
{
if(i==j)
printf("*");
else
printf("%d",j);
}
printf("\n");
}
}

13
c/Pattern_Programs/54321 4321 321 21 1.c Normal file
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@@ -0,0 +1,13 @@
#include<stdio.h>
void main()
{
int i, j;
for(i=5; i>=1; i--)
{
for(j=i; j>=1; j--)
{
printf("%d",j);
}
printf("\n");
}
}

14
c/Pattern_Programs/A AB ABCD ABCDE.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=1; i<=5; i++)
{
for(j=0; j<i; j++)
{
printf("%c",'A' + j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/A BA CBA DCBA.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=0; i<=4; i++)
{
for(j=i; j>=0; j--)
{
printf("%c",'A' + j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/A BB CCC DDDD EEEEE.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=0; i<=4; i++)
{
for(j=0; j<=i; j++)
{
printf("%c",'A' + i);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/AAAAA BBBB CCC DD E.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=0; i<=4; i++)
{
for(j=4; j>=i; j--)
{
printf("%c",'A'+ i);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/ABCDE ABCDE ABCDE.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=5; i>=1; i--)
{
for(j=0; j<5; j++)
{
printf("%c",'A' + j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/ABCDE BCDE CDE DE E.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=0; i<=4; i++)
{
for(j=i; j<=4; j++)
{
printf("%c", 'A' + j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/E DD CCC BBBB AAAAA.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=4; i>=0; i--)
{
for(j=4; j>=i; j--)
{
printf("%c",'A' + i);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/E DE CDE BCDE.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=4; i>=0; i - -)
{
for(j=i; j<5; j++)
{
printf("%c",'A' + j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/E ED EDC EDCB.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=4; i>=0; i--)
{
for(j=4; j>=i; j--)
{
printf("%c",'A' + j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/EDCBA DCBA CBA BA A.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=4; i>=0; i--)
{
for(j=i; j>=0; j--)
{
printf("%c",'A'+ j);
}
printf("\n");
}
return 0;
}

14
c/Pattern_Programs/EDCBA EDCB EDC ED E.c Normal file
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@@ -0,0 +1,14 @@
#include <stdio.h>
int main()
{
int i, j;
for(i=0; i<=4; i++)
{
for(j=4; j>=i; j--)
{
printf("%c",'A' + j);
}
printf("\n");
}
return 0;
}

22
c/Pattern_Programs/Floyds triangle.c Normal file
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@@ -0,0 +1,22 @@
/*Floyd's triangle
Floyd's triangle is a right angled-triangle using the natural numbers. Examples of Floyd’s triangle:
Example
1
2 3
4 5 6
7 8 9 10
*/
#include<stdio.h>
void main()
{
int i,j,r,k=1;
printf("Enter the range: ");
scanf("%d",&r);
printf("FLOYD'S TRIANGLE\n\n");
for(i=1; i<=r; i++)
{
for(j=1; j<=i; j++,k++)
printf(" %d",k);
printf("\n");
}
}

49
c/Pattern_Programs/P_111_333..c Normal file
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/* Pattern Problem - Program to generate all combinations of 1 2 3 using for loop. (Eg Print 111(Row 1), (112)(Row 2), (113)(Row 3)...(333)(Last Row)) */
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, k ;
clrscr() ;
printf("Required pattern is as follows:\n");
for(i=1 ; i<=3 ; i++)
for(j=1 ; j<=3 ; j++)
for(k=1 ; k<=3 ; k++)
printf("%d %d %d \n", i, j, k) ;
getch();
}
/*
Output:
Required pattern is as follows:
1 1 1
1 1 2
1 1 3
1 2 1
1 2 2
1 2 3
1 3 1
1 3 2
1 3 3
2 1 1
2 1 2
2 1 3
2 2 1
2 2 2
2 2 3
2 3 1
2 3 2
2 3 3
3 1 1
3 1 2
3 1 3
3 2 1
3 2 2
3 2 3
3 3 1
3 3 2
3 3 3
*/

46
c/Pattern_Programs/P_123_12_1..c Normal file
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@@ -0,0 +1,46 @@
/* Pattern problem
...
1 2 3 4
1 2 3
1 2
1
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=n ; i>=1 ; i--)
{
for(j=1 ; j<=i ; j++)
printf("%d ", j) ;
printf("\n") ;
}
getch() ;
}
/* If the pattern is fixed then variable 'n' should not be read
Space in printf should not be given if this is the pattern:
1234
123
12
1
*/
/*
Output:
Enter the number of lines: 3
Required pattern is as follows:
1 2 3
1 2
1
*/

37
c/Pattern_Programs/P_123_23..c Normal file
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@@ -0,0 +1,37 @@
/* Pattern problem
...
1 2 3 4
2 3 4
3 4
4
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=n ; i>=1 ; i--)
{
for(j=i ; j>=1 ; j--)
printf("%d ", j) ;
printf("\n") ;
}
getch();
}
/*
Output:
Enter the number of lines: 3
Required pattern is as follows:
3 2 1
2 1
1
*/

51
c/Pattern_Programs/P_1_121..c Normal file
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@@ -0,0 +1,51 @@
/* Pattern Problem
1
121
12321
1234321
...
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=n ; i++)
{
/* Managing spaces */
for(j=1 ; j<=n-i ; j++)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%d", j) ;
/* Printing to the right of Centre */
for(j=i-1 ; j>=1 ; j--)
printf("%d", j) ;
printf("\n") ;
}
getch();
}
/*
Give one extra space in each printf() if the pattern is:
1
1 2 1
1 2 3 2 1
*/
/*
Output:
Enter the number of lines: 4
Required pattern is as follows:
1
121
12321
1234321
*/

59
c/Pattern_Programs/P_1_121_1..c Normal file
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@@ -0,0 +1,59 @@
/* Pattern Problem
1
121
12321
1234321
12321
121
1
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=4 ; i++)
{
/* Managing spaces */
for(j=1 ; j<=4-i ; j++)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%d", j) ;
/* Printing to the right of Centre */
for(j=i-1 ; j>=1 ; j--)
printf("%d", j) ;
printf("\n") ;
}
for(i=4-1 ; i>=1 ; i--)
{
/* Managing spaces */
for(j=4-i ; j>=1 ; j--)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%d", j) ;
/* Printing to the right of Centre */
for(j=i-1 ; j>=1 ; j--)
printf("%d", j) ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
1
121
12321
1234321
12321
121
1
*/

42
c/Pattern_Programs/P_1_12A..c Normal file
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@@ -0,0 +1,42 @@
/* Pattern Problem
1
1 2 A
1 2 3 A B
1 2 3 4 A B C
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr();
printf("Required Pattern is as follows:\n");
for(i=1 ; i<=4 ; i++)
{
/* Managing spaces */
for(j=1 ; j<=4-i ; j++)
printf(" ") ;
/* Prinitng digits*/
for(j=1 ; j<=i ; j++)
printf("%d ", j) ;
/* Printing alphabets*/
for(j=1 ; j<i ; j++)
printf("%c ", j+64) ;
printf("\n") ;
}
getch() ;
}
/*
Output:
Required Pattern is as follows:
1
1 2 A
1 2 3 A B
1 2 3 4 A B C
*/

44
c/Pattern_Programs/P_1_12_123..c Normal file
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@@ -0,0 +1,44 @@
/* Pattern problem
1
1 2
1 2 3
1 2 3 4
...
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=n ; i++)
{
for(j=1 ; j<=i ; j++)
printf("%d ", j) ;
printf("\n") ;
}
getch() ;
}
/* If the pattern is fixed then variable 'n' should not be read
Space in printf should not be given if this is the pattern:
1
12
123
1234
*/
/*
Output:
Enter the number of lines: 3
Required pattern is as follows:
1
1 2
1 2 3
*/

46
c/Pattern_Programs/P_1_21A..c Normal file
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@@ -0,0 +1,46 @@
/* Pattern Problem
1
21A
321AB
4321ABC
54321ABCD
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr();
printf("Required Pattern is as follows:\n");
for(i=1; i<=5; i++)
{
/* Managing spaces */
for(j=1 ; j<=5-i ; j++)
printf(" ") ;
/* Prinitng digits*/
for(j=i ; j>=1 ; j--)
printf("%d", j) ;
/* Printing alphabets*/
for(j=1 ; j<i ; j++)
printf("%c", j+64) ;
printf("\n") ;
}
getch() ;
}
/*
Output:
Required Pattern is as follows:
1
21A
321AB
4321ABC
54321ABCD
*/

39
c/Pattern_Programs/P_1_22..c Normal file
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@@ -0,0 +1,39 @@
/* Pattern Problem
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=5 ; i++)
{
/* Managing spaces */
for(j=1 ; j<=5-i ; j++)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%d ", i) ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
*/

37
c/Pattern_Programs/P_1_22_333 Normal..c Normal file
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@@ -0,0 +1,37 @@
/* Pattern Problem
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=5 ; i++)
{
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%d ", i) ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
1
2 2
3 3 3
4 4 4 4
5 5 5 5 5
*/

46
c/Pattern_Programs/P_1_232_34543..c Normal file
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@@ -0,0 +1,46 @@
/* Pattern Problem
1
2 3 2
3 4 5 4 3
4 5 6 7 6 5 4
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, k, n ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=4 ; i++)
{
/* Managing spaces */
for(j=1 ; j<=4-i ; j++)
printf(" ") ;
/* Printing from left to Centre */
for(k=1, j=i ; k<=i ; k++, j++)
printf("%d ", j) ;
/* Printing to the right of Centre */
for(k=1, j=j-2 ; k<=i-1 ; k++, j--)
printf("%d ", j) ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
1
2 3 2
3 4 5 4 3
4 5 6 7 6 5 4
*/

35
c/Pattern_Programs/P_1_23_456..c Normal file
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@@ -0,0 +1,35 @@
/* Pattern problem
1
2 3
4 5 6
7 8 9 10
...
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, k ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
k=1 ;
for(i=1 ; i<=4 ; i++)
{
for(j=1 ; j<=i ; j++)
printf("%d ", k++) ;
printf("\n") ;
}
getch() ;
}
/*
Output:
Required pattern is as follows:
1
2 3
4 5 6
7 8 9 10
*/

37
c/Pattern_Programs/P_321_21_1..c Normal file
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@@ -0,0 +1,37 @@
/* Pattern problem
...
4 3 2 1
3 2 1
2 1
1
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=n ; i>=1 ; i--)
{
for(j=i ; j>=1 ; j--)
printf("%d ", j) ;
printf("\n") ;
}
getch() ;
}
/*
Output:
Enter the number of lines: 3
Required pattern is as follows:
3 2 1
2 1
1
*/

46
c/Pattern_Programs/P_432_43_4..c Normal file
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@@ -0,0 +1,46 @@
/* Pattern problem
...
4 3 2 1
4 3 2
4 3
4
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=n ; i++)
{
for(j=n ; j>=i ; j--)
printf("%d ", j) ;
printf("\n") ;
}
getch();
}
/* If the pattern is fixed then variable 'n' should not be read
Space in printf should not be given if this is the pattern:
4321
432
43
4
*/
/*
Output:
Enter the number of lines: 3
Required pattern is as follows:
3 2 1
3 2
3
*/

39
c/Pattern_Programs/P_4_43..c Normal file
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@@ -0,0 +1,39 @@
/* Pattern problem
4
4 3
4 3 2
4 3 2 1
...
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=n ; i>=1 ; i--)
{
for(j=n ; j>=i ; j--)
printf("%d ", j) ;
printf("\n") ;
}
getch();
}
/*
Output:
Enter the number of lines: 3
Required pattern is as follows:
3
3 2
3 2 1
*/

37
c/Pattern_Programs/P_5_44_333..c Normal file
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@@ -0,0 +1,37 @@
/* Pattern problem
5
4 4
3 3 3
2 2 2 2
1 1 1 1 1
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=5 ; i>=1 ; i--)
{
for(j=5 ; j>=i ; j--)
printf("%d ", i) ;
printf("\n") ;
}
getch() ;
}
/*
Output:
Required pattern is as follows:
5
4 4
3 3 3
2 2 2 2
1 1 1 1 1
*/

41
c/Pattern_Programs/P_ABC_AB_A..c Normal file
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@@ -0,0 +1,41 @@
/* Pattern Problem
A B C D
A B C
A B
A
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=4 ; i>=1 ; i--)
{
/* Managing spaces */
for(j=4-i ; j>=1 ; j--)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%c ", j+64) ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
A B C D
A B C
A B
A
*/

35
c/Pattern_Programs/P_A_AB_ABC..c Normal file
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@@ -0,0 +1,35 @@
/* Pattern problem
A
A B
A B C
A B C D
A B C D E
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=5 ; i++)
{
for(j=1 ; j<=i ; j++)
printf("%c ", j+64) ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
A
A B
A B C
A B C D
A B C D E
*/

46
c/Pattern_Programs/P_A_BB_CCC..c Normal file
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@@ -0,0 +1,46 @@
/* Pattern Problem
A
B B
C C C
D D D D
...
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j, n ;
clrscr() ;
printf("Enter the number of lines: ") ;
scanf("%d", &n) ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=n ; i++)
{
/* Managing spaces */
for(j=1 ; j<=n-i ; j++)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("%c ",i+64) ;
printf("\n") ;
}
getch();
}
/*
Output:
Enter the number of lines: 4
Required pattern is as follows:
A
B B
C C C
D D D D
*/

52
c/Pattern_Programs/P_star..c Normal file
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@@ -0,0 +1,52 @@
/* Pattern Problem
*
* *
* * *
* *
*
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, j ;
clrscr() ;
printf("Required pattern is as follows: \n") ;
for(i=1 ; i<=3 ; i++)
{
/* Managing spaces */
for(j=1 ; j<=3-i ; j++)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("* ") ;
printf("\n") ;
}
for(i=3-1 ; i>=1 ; i--)
{
/* Managing spaces */
for(j=3-i ; j>=1 ; j--)
printf(" ") ;
/* Printing from left to Centre */
for(j=1 ; j<=i ; j++)
printf("* ") ;
printf("\n") ;
}
getch();
}
/*
Output:
Required pattern is as follows:
*
* *
* * *
* *
*
*/

27
c/Pattern_Programs/P_x=1!..c Normal file
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@@ -0,0 +1,27 @@
/* Pattern problem
x=1!+3!+5!+7!+9!+...
*/
#include <stdio.h>
#include <conio.h>
void main()
{
int i, n ;
clrscr() ;
printf("Enter n:") ;
scanf("%d", &n) ;
printf("Required Pattern is as shown:\n") ;
printf("x=1!") ;
for(i=3 ; i<=2*n-1 ; i=i+2)
printf("+%d!", i) ;
getch() ;
}
/*
Output:
Enter n:3
Required Pattern is as shown:
x=1!+3!+5!
*/

37
c/Pattern_Programs/Rhombus pattern with numbers.c Normal file
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@@ -0,0 +1,37 @@
/*design a number rhombus pattern
1 1
2 2
3 3
4 4
3 3
2 2
1 1
*/
#include<stdio.h>
void main()
{
int num,i,c,s,n;
printf("Enter maximum number : ");
scanf("%d", &num);
for(i=1; i<=num; i++)
{
for(s=num-i; s>=1; s--)
printf(" ");
printf("%d", i);
for(s=i*2; s>1; s--)
printf(" ");
printf("%d", i);
printf("\n");
}
for(i=1,n=num-1; i<num; i++,n--)
{
for(s=i; s>=1; s--)
printf(" ");
printf("%d",n);
for(s=n*2; s>1; s--)
printf(" ");
printf("%d", n);
printf("\n");
}
}

34
c/Pattern_Programs/Square with numbers.c Normal file
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@@ -0,0 +1,34 @@
/*
4444444
4333334
4322234
4321234
4322234
4333334
4444444
*/
#include<stdio.h>
void main()
{
int i,j,k;
for(i=4; i>=1; i--)
{
for(j=4; j>=i; j--)
printf("%d",j);
for(j=1; j<(i*2)-1; j++)
printf("%d",i);
for(j=i+1; j<=4; j++)
printf("%d",j);
printf("\n");
}
for(i=2; i<=4; i++)
{
for(j=4; j>=i; j--)
printf("%d",j);
for(j=1; j<(i*2)-1; j++)
printf("%d",i);
for(j=i+1; j<=4; j++)
printf("%d",j);
printf("\n");
}
}

24
c/Pattern_Programs/Star 1.c Normal file
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@@ -0,0 +1,24 @@
/*--
*
**
***
****
*****
--*/
#include<stdio.h>
void main()
{
int i, j, n;
printf("Enter no. of rows: ");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
for(j=1; j<=i; j++)
{
printf("*");
}
printf("\n");
}
}

28
c/Pattern_Programs/Star 10.c Normal file
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@@ -0,0 +1,28 @@
/*
* * * *
* * *
* *
*
*/
#include<stdio.h>
int main()
{
int i,j,n;
printf("Enter no. of row: ");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
for(j=1; j<i; j++)
{
printf(" ");
}
for(j=i; j<=n; j++)
{
printf("* ");
}
printf("\n");
}
return 0;
}

28
c/Pattern_Programs/Star 2.c Normal file
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@@ -0,0 +1,28 @@
/*--
*
**
***
****
*****
--*/
#include<stdio.h>
void main()
{
int i, j, n;
printf("Enter no. of rows: ");
scanf("%d",&n);
for(i=n; i>=1; i--)
{
for(j=1; j<i; j++)
{
printf(" ");
}
for(j=5; j>=i; j--)
{
printf("*");
}
printf("\n");
}
}

28
c/Pattern_Programs/Star 3.c Normal file
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@@ -0,0 +1,28 @@
/*--
*****
****
***
**
*
--*/
#include<stdio.h>
void main()
{
int i, j,n;
printf("Enter no. of rows: ");
scanf("%d",&n);
for(i=n; i>=1; i--)
{
for(j=n; j>i; j--)
{
printf(" ");
}
for(j=1; j<=i; j++)
{
printf("*");
}
printf("\n");
}
}

28
c/Pattern_Programs/Star 4.c Normal file
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@@ -0,0 +1,28 @@
/*--
*
***
*****
*******
*********
--*/
#include<stdio.h>
void main()
{
int i, j, n;
printf("Enter no. of rows: ");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
for(j=i; j<n; j++)
{
printf(" ");
}
for(j=1; j<(i*2); j++)
{
printf("*");
}
printf("\n");
}
}

50
c/Pattern_Programs/Star 5.c Normal file
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@@ -0,0 +1,50 @@
/*--
**********
**** ****
*** ***
** **
* *
** **
*** ***
**** ****
**********
--*/
#include<stdio.h>
void main()
{
int i, j, k;
for(i=1; i<=5; i++)
{
for(j=1; j<=6-i; j++)
{
printf("*");
}
for(k=1; k<i; k++)
{
printf(" ");
}
for(j=1; j<=6-i; j++)
{
printf("*");
}
printf("\n");
}
for(i=2; i<=5; i++)
{
for(j=1; j<=i; j++)
{
printf("*");
}
for(k=1; k<=5-i; k++)
{
printf(" ");
}
for(j=1; j<=i; j++)
{
printf("*");
}
printf("\n");
}
}

33
c/Pattern_Programs/Star 6.c Normal file
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@@ -0,0 +1,33 @@
/*
*
**
* *
* *
* *
* *
* *
* *
* *
* *
* *
************
--*/
#include<stdio.h>
void main()
{
int num,r,j,s;
printf("Enter no of rows: ");
scanf("%d", &num);
printf("\n*\n");
for(r=1; r<=num; r++)
{
printf("*");
for(s=1; s<r; s++)
printf(" ");
printf("*\n");
}
for(j=1; j<=num+2; j++)
printf("*");
}

29
c/Pattern_Programs/Star 7.c Normal file
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@@ -0,0 +1,29 @@
/*--
********
* *
* *
********
--*/
#include<stdio.h>
void main()
{
int cols,rows,r,c,s;
printf("Enter no. of columns: ");
scanf("%d", &cols);
printf("Enter no. of rows: ");
scanf("%d", &rows);
for(r=1; r<=cols; r++)
printf("*");
printf("\n");
for(c=1; c<=rows-2; c++)
{
printf("*");
for(s=1; s<=cols-2; s++)
printf(" ");
printf("*\n");
}
for(r=1; r<=cols; r++)
printf("*");
}

33
c/Pattern_Programs/Star 8.c Normal file
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@@ -0,0 +1,33 @@
/*
* *
** **
* * *
* *
* *
/* print m shape pyramid in c*/
#include<stdio.h>
int main()
{
int num=5,j,i;
for(i=1; i<=num; i++)
{
for(j=1; j<=num; j++)
{
if( (j==2 || j==3 || j==4) && (i==1) )
printf(" ");
else if( (j==3) && (i==2) )
printf(" ");
else if( (j==2 || j==4) && (i==3) )
printf(" ");
else if( (j==2 || j==3 || j==4 ) && (i==4 || i==5) )
printf(" ");
else
printf("*");
}
printf("\n");
}
return 0;
}

28
c/Pattern_Programs/Star 9.c Normal file
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@@ -0,0 +1,28 @@
/*
*
* *
* * *
* * * *
*/
#include<stdio.h>
int main()
{
int i,j,n;
printf("Enter value of n: ");
scanf("%d",&n);
for(i=1; i<=n; i++)
{
for(j=i; j<=n; j++)
{
printf(" ");
}
for(j=1; j<=i; j++)
{
printf("* ");
}
printf("\n");
}
return 0;
}