946A - Partition - CodeForces Solution

// Online C++ compiler to run C++ program online
#include <iostream>
#include <bits/stdc++.h>
using namespace std ;

int main() {
    // Write C++ code here
   int n , k , sum=0 , res=0;
   cin >> n ;
   for(int i=0;i<n;i++){
       cin >> k ;
       if(k >= 0){
           sum+=k;
       }else{
           res+=k;
       }
   }
   
   if(res != 0){
       cout << (sum - res) ;
   }else{
       cout << sum ;
   }

    return 0;
}