sume

input/code.cpp: In function 'long long int gs(int, int)':
input/code.cpp:14:15: warning: unused variable 's' [-Wunused-variable]
     long long s=0;
               ^

#include <iostream>
using namespace std;
int N;
int S[1010][1010];

int A[1010];

long long gs(int a, int b){
  if ((b-a)%2==1){
    long long s=0;
    for (int i=a; i+1<=b; i+=2) s+=S[i][i+1];
    return s;
  }else{
    long long s=0;
    return (gs(a+1, b)+gs(a, b-1)+S[a][b])/2;
  }
}

int main(){
  cin >> N;
  for (int i=0; i<N; ++i)
    for (int j=0; j<N; ++j)
      cin >> S[i][j];
  if (N>2){
    A[0]=gs(0, N-1)-gs(1, N-1);
    for (int i=1; i<N; ++i) A[i]=S[0][i]-A[0];
    for (int i=0; i<N; ++i) cout << A[i] << " ";
    cout << "\n";
  }else{
    cout << 1 << " " << 1 << "\n";
  }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED