Submission #330054

#	Time	Username	Problem	Language	Result	Execution time	Memory
330054		M_W	Labels (NOI20_labels)	C++14	7 / 100	67 ms	5248 KiB

Labels

#include <bits/stdc++.h>
using namespace std;
long long a[300300];
int main(){
	long long N, minn = 1, maxx = 1, c = 0;
	scanf("%lld", &N);
	a[0] = 1;
	for(long long i = 1, tmp; i < N; i++){
		scanf("%lld", &tmp);
		a[i] = a[i - 1] + tmp;
		minn = min(minn, a[i] + c);
		maxx = max(maxx, a[i] + c);
		
		if(minn <= 0) c += 1 - minn;
		if(maxx > N) c -= maxx - N;
	}
	if(minn + c != 1 || maxx + c != N){
		printf("-1");
		exit(0);
	}
	for(long long i = 0; i < N; i++)
		printf("%lld ", a[i] + c);
}

Compilation message (stderr)

Labels.cpp: In function 'int main()':
Labels.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |  scanf("%lld", &N);
      |  ~~~~~^~~~~~~~~~~~
Labels.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |   scanf("%lld", &tmp);
      |   ~~~~~^~~~~~~~~~~~~~

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