Submission #1181712

#	Time	Username	Problem	Language	Result	Execution time	Memory
1181712		Thunnus	Labels (NOI20_labels)	C++20	0 / 100	23 ms	6888 KiB

Labels

#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
#define int i64
#define vi vector<int>
#define vvi vector<vi>
#define vb vector<bool>
#define pii pair<int, int>
#define fi first
#define se second
#define sz(x) (int)(x).size()

inline void solve(){
    int n;
    cin >> n;
    vi d(n - 1);
    for(int &i : d){
        cin >> i;
    }
    
    int mn = INT32_MAX, mx = INT32_MIN, sm = 0;
    for(int i = 0; i < n - 1; i++){
        sm += d[i];
        mn = min(mn, sm);
        mx = max(mx, sm);
    }
    if(mx != n - 1 && abs(mn) != n - 1){
        cout << "-1\n";
        return;
    }

    vi a(n);
    if(mx == n - 1){
        a.front() = 1;
        for(int i = 0; i < n - 1; i++){
            a[i + 1] = a[i] + d[i];
        }
    }
    else{
        a.front() = 5;
        for(int i = 0; i < n - 1; i++){
            a[i + 1] = a[i] + d[i];
        }
    }
    for(int i = 0; i < n; i++){
		if(a[i] > n || a[i] <= 0){
			cout << "-1\n";
			return;
		}
	}
    for(int &i : a){
        cout << i << " ";
    }
    cout << "\n";
    return;
}

signed main(){
    ios_base::sync_with_stdio(false); cin.tie(0);
    int t = 1;
    //cin >> t;
    while(t--){
        solve();
    }
    return 0;
}

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