making a ladder of i height:
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program:
#include<stdio.h>
#include<conio.h>
void main()
{
int i,j,k,l;
clrscr();
printf("enter the number");
scanf("%d",&i);
for(j=1;j<=i;j++)
{
for(k=i-j;k>=0;k--)
printf(" ");
for(l=1;l<=j;l++)
printf("#");
printf("\n");
}
getch();
}
}