Diagonal Difference hackerrank solution in c
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>
int main(){
int n;
int i=0,sum=0,j,sum2=0;
scanf("%d",&n);
int a[n][n];
for(int a_i = 0; a_i < n; a_i++){
for(int a_j = 0; a_j < n; a_j++){
scanf("%d",&a[a_i][a_j]);
}
}
while(i<n)
{
sum=sum+a[i][i];
i++;
}
j=n-1,i=0;
while(i<n)
{
sum2=sum2+a[i][j];
i++;
j--;
}
printf("%d",abs(sum-sum2));
return 0;
}
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