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 |
|---|---|---|---|---|---|---|---|---|---|
| #430038 | #973. Composite Sequence | grass8cow# | WA | 0ms | 3660kb | C++14 | 473b | 2024-06-03 12:02:25 | 2024-06-03 12:02:26 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,a[300100];
bool chk(int x){
if(x==1)return 0;
for(int i=2;i*i<=x;i++)if(!(x%i))return 0;
return 1;
}
int main(){
scanf("%d",&n);
for(int i=1;i<=n;i++){
scanf("%d",&a[i]);
if(a[i]==1){puts("Yes");return 0;}
}
if(n>4){puts("Yes");return 0;}
for(int s=1;s<(1<<n);s++){
int t=0;
for(int i=0;i<n;i++)if((s>>i)&1)t+=a[i+1];
if(!chk(t)){puts("Yes");return 0;}
}
puts("No");
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3660kb
input:
2 5 7
output:
Yes
result:
ok "Yes"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3656kb
input:
1 97
output:
No
result:
ok "No"
Test #3:
score: 0
Accepted
time: 0ms
memory: 3572kb
input:
1 97
output:
No
result:
ok "No"
Test #4:
score: -100
Wrong Answer
time: 0ms
memory: 3660kb
input:
3 1 1 1
output:
Yes
result:
wrong answer 1st words differ - expected: 'No', found: 'Yes'