Codeforces Round 951 (Div. 2) C. Earning on Bets

题目

个人补充：

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define fi first
#define se second
#define lson p << 1
#define rson p << 1 | 1
#define ll long long

const int maxn = 1e6 + 5, inf = 1e18, maxm = 4e4 + 5, base = 37;
const int N = 4e3;
const int mod = 1e9 + 7;
// const int mod = 998244353;
// const __int128 mod = 212370440130137957LL;

int n, m;
int a[maxn], b[maxn];
//long long ? maxn ? n? m?

int __lcm(int a, int b){
    return a * b / __gcd(a, b);
}

void solve(){
    ll res = 0;
    cin >> n;
    int mx = 0;
    for(int i = 1; i <= n; i++){
        cin >> a[i];
    }
    int lcm = 1;
    for(int i = 1; i <= n; i++){
        lcm = __lcm(lcm, a[i]);
    }
    int s = 0;
    for(int i = 1; i <= n; i++){
        s += lcm / a[i];
    }
    if(s >= lcm){
        cout << -1 << '\n';
        return;
    }
    for(int i = 1; i <= n; i++){
        cout << lcm / a[i] << " \n"[i == n];
    }
}
    
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);

    cout << fixed << setprecision(9);
    int T = 1;
    cin >> T;
    while (T--)
    {
        solve();
    }
    return 0;
}