Submission #1300115

#	Time	Username	Problem	Language	Result	Execution time	Memory
1300115		thdh__	Labels (NOI20_labels)	C++20	0 / 100	1 ms	568 KiB

Labels

#include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define ii pair<int, int>
#define fi first
#define se second
#define all(a) a.begin(), a.end()

using namespace std;

const int N = 3e5+5;
const int mod = 1e9+7;
const int inf = 2e9;

void solve() 
{
    int n;
	cin>>n;
	vector<int> a(n, 0);
	for (int i = 1; i < n; i++) cin>>a[i];
	for (int i = 2; i < n; i++) a[i] += a[i-1];
	int mx = -inf, mn = inf;
	for (int i = 1; i < n; i++) mx = max(mx, a[i]), mn = min(mn, a[i]);
	int cnt = 0, ss = -1;
	for (int st = 1; st <= n; st++) 
	{
		if (st + mx <= n && st + mn >= 1) cnt++, ss = st;
	}
	if (!cnt || cnt > 1) 
	{
		cout<<"-1";
		return;
	}
	for (int i = 0; i < n; i++) 
	{
		cout<<ss + a[i]<<" ";
	}
}

int main() 
{
    ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
    solve();
}

Compilation message (stderr)

Labels.cpp: In function 'int main()':
Labels.cpp:43:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Labels.cpp:44:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   44 |     freopen("output.txt", "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

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