Kemija

#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(), x.end()
using ii=long long;
int main()
{
    int n;
    cin >> n;
    vector<int>v(n),d(n),dd(n);
    ii s = 0;
    for (int i = 0; i < n; ++i) {
        cin >> v[i];
        s += v[i];
    }
    s /= 3;
    for (int i = 0; i < n; ++i) {
        d[i] = v[(i+2)%n] - v[(i + 1) % n];
        dd[i] = d[i];
    }
    if (n % 3) {
        // n * x + z = s
        // s - z = x * n  || : n
        // (s - z) / n = x
        vector<int> vis(n);
        vis[0] = 1;
        int z = 0;
        for (int i = 3; ; (i += 3) %= n) {
            if (vis[(i+3)%n]) break;
            z += dd[i];
        }
        vector<int> res(n);
        res[0] = (s - z) / n;
        for (int i = 0; ; (i+=3)%=n) {
            if (!res[(i+3)%n]) res[(i+3)%n] = res[i] + dd[i];
            else break;
        }
        for (int i = 0; i<  n; ++i) {
            cout << res[i] << "\n";
        }
    }
}

Test 1

Verdict: WRONG ANSWER

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: WRONG ANSWER

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER