T. Matrix – Codeforces Problem Solution in C

Disclaimer: Make sure you tried enough before checking the solution

Problem: https://codeforces.com/group/MWSDmqGsZm/contest/219774/problem/T

#include<stdio.h>
int main(){
    int a,b[100][100],i,j,s=0,s1=0;
    scanf("%d",&a);
    for(i=0;i<a;i++){
        for(j=0;j<a;j++){
            scanf("%d",&b[i][j]);
        }
    }
    for(i=0;i<a;i++){
        for(j=0;j<a;j++){
            if(j==i){
                s +=b[i][j];
            }
            if(a-1-j==i){
                s1+=b[i][j];
            }

        }
    }
    if((s-s1)<0){
        printf("%d",-1*(s-s1));
    }
    else printf("%d",(s-s1));
    return 0;
}

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