Submission #538736

#	Time	Username	Problem	Language	Result	Execution time	Memory
538736		dsyz	Labels (NOI20_labels)	C++17	100 / 100	79 ms	9012 KiB

Labels

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (1000005)
int main() {
	ios_base::sync_with_stdio(false);cin.tie(0);
	ll N;
	cin>>N;
	ll D[N - 1];
	for(ll i = 0;i < N - 1;i++){
		cin>>D[i];
	}
	ll arr[N];
	memset(arr,0,sizeof(0));
	ll minimum = 1;
	ll maximum = N;
	ll prefixsum = 0;
	for(ll i = 0;i < N - 1;i++){
		prefixsum += D[i];
		if(prefixsum <= 0){
			minimum = max(minimum,-1 * prefixsum + 1);
		}
		if(prefixsum >= 0){
			maximum = min(maximum,N - prefixsum);
		}
	}
	if(minimum < 1 || maximum > N || minimum > maximum || maximum - minimum >= 1){
		cout<<-1<<'\n';
	}else{
		arr[0] = maximum;
		for(ll i = 1;i < N;i++){
			arr[i] = arr[i - 1] + D[i - 1];
		}
		for(ll i = 0;i < N;i++){
			cout<<arr[i]<<" ";
		}
		cout<<'\n';
	}
}

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