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Wednesday, 12 August 2015

C Program to print triangle of numbers

#include<stdio.h>
int main()
{
  int i,j,k,l,n,val;
  printf("no of lines=");
  scanf("%d",&n);
  for(i=1;i<=n;i++)
 {
   printf("\n");
   for(j=1;j<=n-i;j++)
{
    printf(" ");
}

for(k=1;k<=i;k++)

{
   printf("%d",k);}
for(l=i-1;l>=1;l--)
printf("%d",l);
}
return 0;
}


OUTPUT-
no of lines=6

         1
       121
     12321
   1234321
 123454321
12345654321







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