Submission #330049

#	Time	Username	Problem	Language	Result	Execution time	Memory
330049		oak	Labels (NOI20_labels)	C++14	100 / 100	114 ms	5612 KiB

Labels

#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,i;
	scanf("%d",&n);
	int arr[n],mi = 0,mx = 0;
	arr[0] = 0;
	for(i=1;i<n;i++){
		scanf("%d",&arr[i]);
		arr[i] += arr[i-1];
		if(arr[i] < mi)mi = arr[i];
		else if(arr[i] > mx)mx = arr[i];
		if(arr[i] > n || -arr[i] > n){
			printf("-1");
			return 0;
		}
	}
	if(mx-mi+1 < n){
		printf("-1");
		return 0;
	}
	int c = 1 - mi;
	for(i=0;i<n;i++){
		printf("%d ",c+arr[i]);
	}
}

Compilation message (stderr)

Labels.cpp: In function 'int main()':
Labels.cpp:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    5 |  scanf("%d",&n);
      |  ~~~~~^~~~~~~~~
Labels.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |   scanf("%d",&arr[i]);
      |   ~~~~~^~~~~~~~~~~~~~

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