Submission #1313510

#	Time	Username	Problem	Language	Result	Execution time	Memory
1313510		prunjuice	Labels (NOI20_labels)	C++20	100 / 100	95 ms	4640 KiB

Labels

// Source: https://usaco.guide/general/io
#include <bits/stdc++.h>
using namespace std;
int main() {
	int n;
    cin >> n;
    vector <int> Labels (n);
    int a = 0;
    int b = INT_MAX;
    int c = 0;
    int low = 0;
    int high = 0;
    for (int i = 0; i < n; i++){
        cin >> Labels[i];
        c += Labels[i];
        if (c < b){
            b = c;
        }
        if (c > a){
            a = c;
        }
    }
    low = 1 - b;
    if (low <= 0){
        low = 1;
    }
    high = n - a;
    if (low == high){
        vector <int> A (n);
        A[0] = low;
        cout << A[0] << " ";
        for (int i = 1; i < n; i++){
            A[i] = A[i - 1] + Labels[i - 1];
            cout << A[i] << " ";
        }
    }
    else {
        cout << -1;
    }
}

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