Submission #890603

#	Time	Username	Problem	Language	Result	Execution time	Memory
890603		vjudge1	Labels (NOI20_labels)	C++17	0 / 100	29 ms	5456 KiB

Labels

/*
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,fma,bmi,bmi2,sse4.2,popcnt,lzcnt")
*/

#include <bits/stdc++.h>
#define taskname ""
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define i64 long long
#define pb push_back
#define ff first
#define ss second
#define isz(x) (int)x.size()
using namespace std;

const int mxN = 3e5 + 5;
const int mod = 1e9 + 7;
const i64 oo = 1e18;

int n;
bool vis[mxN];
i64 pfx[mxN];

void solve() {
    cin >> n;
    for (int i = 2; i <= n; ++i)
        cin >> pfx[i];
    partial_sum(pfx + 1, pfx + n + 1, pfx + 1);
    i64 miin = *min_element(pfx + 1, pfx + n + 1) + 1;
    for (int i = 1; i <= n; ++i) {
        pfx[i] += miin;
        if (pfx[i] > n || pfx[i] < 1 || vis[pfx[i]]) {
            cout << -1 << endl;
            return;
        }
        vis[pfx[i]] = true;
    }
    for (int i = 1; i <= n; ++i) {
        cout << pfx[i] << " \n"[i == n];
    }
}

signed main() {

#ifndef CDuongg
    if(fopen(taskname".inp", "r"))
        assert(freopen(taskname".inp", "r", stdin)), assert(freopen(taskname".out", "w", stdout));
#else
    freopen("bai3.inp", "r", stdin);
    freopen("bai3.out", "w", stdout);
    auto start = chrono::high_resolution_clock::now();
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int t = 1; //cin >> t;
    while(t--) solve();

#ifdef CDuongg
   auto end = chrono::high_resolution_clock::now();
   cout << "\n"; for(int i = 1; i <= 100; ++i) cout << '=';
   cout << "\nExecution time: " << chrono::duration_cast<chrono::milliseconds> (end - start).count() << "[ms]" << endl;
   cout << "Check array size pls sir" << endl;
#endif

}

• Subtask 1: 0 / 7
• Subtask 2: 0 / 15
• Subtask 3: 0 / 25
• Subtask 4: 0 / 18
• Subtask 5: 0 / 35