25B:Phone numbers

Problem Link

<Source Code>

#include<stdio.h>
int main()
{
long n,i;
scanf(“%ld”,&n);
char a[n];
getchar();
for( i=0; i<n; i++ )
{scanf(“%c”,&a[i]);
}
for( i=0; i<n; i++ )
{
putchar(a[i]);
if( i%2 && i<n-(n%2)-2 ) putchar(‘-‘);
}

}

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About waprogramming

I am in CSE,from CUET
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