Submission #320533

#	Time	Username	Problem	Language	Result	Execution time	Memory
320533		Sparky_09	Labels (NOI20_labels)	C++17	0 / 100	3 ms	392 KiB

Labels

#include<bits/stdc++.h>
using namespace std;
#define ll long long

int main(){
	ios_base::sync_with_stdio(false);
	freopen("input.txt", "r", stdin);
	int n;
	ll sum = 0, maxval = 0, minval = INT_MAX;
	cin >> n;
	vector<int> v(n), ans(n);
	for(int i = 0; i < n; i++){
	  cin >> v[i];
	  sum+=v[i];
	  maxval = max(maxval, sum);
	  minval = min(minval, sum);
	}
	ll idx = n-maxval;// cur = 0;
	bool notposs=0;
	if(maxval>=n){
	  notposs=1;
	}
	for(int i =  0; i < n and maxval<n; i++){
	  ans[i] = idx;
	  idx += v[i];
	  if(idx<=0){
	  	notposs=1;
	    break;
	  }
	}
	if(notposs or *min_element(ans.begin(), ans.end())!=1){
	  cout << -1 << '\n';
	}
	else{
	  for(auto i: ans){
	    cout << i << ' ';
	  }
	  cout << '\n';
	}
}

Compilation message (stderr)

Labels.cpp: In function 'int main()':
Labels.cpp:7:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
    7 |  freopen("input.txt", "r", stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

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