Submission #676489

#	Time	Username	Problem	Language	Result	Execution time	Memory
676489		penguin133	Labels (NOI20_labels)	C++17	100 / 100	170 ms	7920 KiB

Labels

#include <bits/stdc++.h>
using namespace std;
int arr[300005];
int ans[300005];
int a[300005];
int main(){
	int n;
	cin >> n;
	int cnt = 0,maxi = 0;
	for(int i=1;i<n;i++){
		cin >> arr[i];
	}
	int f = 0;
	for(int i=1;i<n;i++){
		cnt += arr[i];
		maxi = max(maxi, cnt);
	}
	ans[0] = n - maxi;
	a[n-maxi]++;
	for(int i=1;i<n;i++){
		ans[i] = ans[i-1] + arr[i];
		a[ans[i]]++;
	}
	if(a[1] == 0 || a[n] == 0){
		cout << "-1";
		exit(0);
	}
	for(int i=0;i<n;i++){
		cout << ans[i] << " ";
	}
}

Compilation message (stderr)

Labels.cpp: In function 'int main()':
Labels.cpp:13:6: warning: unused variable 'f' [-Wunused-variable]
   13 |  int f = 0;
      |      ^

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