C Patterns
1)In this example n=5
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
program:
#include <stdio.h>
int pat(int n)
{
int i,j;
for(i=1;i<=n-1;i++,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
{
printf(" *");
}
}
for(i=n;i>=1;i--,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
{
printf(" *");
}
}
}
int main()
{
int n;
printf("enter n value\n");
scanf("%d",&n);
pat(n);
return 0;
}
/////////////////////////////////////////////////
2)In this example n=5
*
**
***
****
*****
*****
****
***
**
*
program:
#include <stdio.h>
int pat(int n) //function definition
{
int i,j,k;
for(i=1;i<=n;i++,printf("\n"))
{
for(j=1;j<=i;j++)
{
printf("*");
}
}
for(i=n;i>=1;i--,printf("\n"))
{
for(j=1;j<=2*n-1-i;j++)
printf(" ");
for(j=1;j<=i;j++)
{
printf("*");
}
}
}
int main()
{
int n;
printf("enter n value\n");
scanf("%d",&n);
pat(n);
return 0;
}
////////////////////////////////////////////
////////////////////////////////////////////
3) In this example n=5
*
* *
* * *
* * * *
* * * * *
* * * *
* * *
* *
*
Program:
#include <stdio.h>
int pat(int n)
{
int i,j;
for(i=1;i<=n-1;i++,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf("
");
for(j=1;j<=i;j++)
printf("*");
}
for(i=n;i>=1;i--,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf("
");
for(j=1;j<=i;j++)
printf("*");
}
}
int main()
{
int n;
printf("enter n value\n");
scanf("%d",&n);
pat(n);
return 0;
}
/////////////////////
4) In this example n=5
* * * * *
* * * *
* * *
* *
*
* *
* * *
* * * *
* * * * *
* * * * *
* * * *
* * *
* *
*
* *
* * *
* * * *
* * * * *
Program:
#include <stdio.h>
int pat(int n)
{
int i,j;
for(i=n;i>=1;i--,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
{
printf("*");
}
}
for(i=2;i<=n;i++,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
{
printf("*");
}
}
}
int main()
{
int n;
printf("enter n value\n");
scanf("%d",&n);
pat(n);
return 0;
}
/////////////////////
5) In this example n=5
*
* *
* *
* * * *
* * *
*
*
*
*
*
* * *
* * * *
*
* * * *
Program:
#include <stdio.h>
int pat(int n)
{
int i,j;
for(i=n;i>=1;i--,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
printf(" *");
}
for(i=2;i<=n;i++,printf("\n"))
{
for(j=1;j<=n-i;j++)
printf(" ");
for(j=1;j<=i;j++)
printf(" *");
}
}
int main()
{
int n;
printf("enter n
value\n");
scanf("%d",&n);
pat(n);
return 0;
}
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