QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #244545 | #7728. Ramen | Ycfhnnd | WA | 1ms | 3520kb | C++20 | 601b | 2023-11-09 11:33:10 | 2023-11-09 11:33:11 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
void solve(){
int n;
cin >> n;
vector<int>a(n + 2);
for (int i = 1;i <= n;i ++){
cin >> a[i];
}
vector<int>s(n + 2);
for (int i = n;i >= 1;i --){
s[i] = s[i + 1] + a[i];
if (s[i] < 0){
cout << "Yes\n";
return;
}
}
cout << "No\n";
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int T = 1;
// cin >> T;
while (T--) {
solve();
}
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3424kb
input:
3 1 2 -5
output:
Yes
result:
ok YES
Test #2:
score: 0
Accepted
time: 0ms
memory: 3520kb
input:
5 2 -5 2 3 1
output:
No
result:
ok NO
Test #3:
score: 0
Accepted
time: 0ms
memory: 3520kb
input:
5 3 -2 1 -1 -1
output:
Yes
result:
ok YES
Test #4:
score: 0
Accepted
time: 0ms
memory: 3416kb
input:
5 -1 100 100 100 100
output:
No
result:
ok NO
Test #5:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
5 3 -3 2 5 1
output:
No
result:
ok NO
Test #6:
score: 0
Accepted
time: 0ms
memory: 3448kb
input:
10 1 2 3 4 5 -15 100 200 300 100
output:
No
result:
ok NO
Test #7:
score: -100
Wrong Answer
time: 0ms
memory: 3404kb
input:
10 1 2 3 4 5 -14 100 200 300 100
output:
No
result:
wrong answer expected YES, found NO [1st token]