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
#741689#9623. 合成大西瓜ty09#WA 0ms3772kbC++17693b2024-11-13 15:00:422024-11-13 15:00:42

Judging History

你现在查看的是最新测评结果

  • [2024-11-13 15:00:42]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3772kb
  • [2024-11-13 15:00:42]
  • 提交

answer

#include"bits/stdc++.h"
#define endl '\n'
using ll=long long;
using namespace std;
constexpr int N=1e5+10,inf=0X3F3F3F3F;
constexpr ll INF=0X3F3F3F3F3F3F3F3F;
void solve(){
    int n,m;
    cin>>n>>m;
    vector<int>a(n+1),d(n+1);
    for(int i=1;i<=n;i++)
        cin>>a[i];
    for(int i=1;i<=m;i++){
        int u,v;
        cin>>u>>v;
        d[u]++,d[v]++;
    }
    if(n==1){
        cout<<a[1]<<endl;
        return;
    }
    int mx=0;
    for(int i=1;i<=n;i++){
        if(d[i]>=2)
            mx=max(mx,a[i]);
    }
    cout<<mx<<endl;
}
signed main(){
    cin.tie(nullptr)->sync_with_stdio(0);
//	int t;cin>>t;while(t--)
    solve();
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3512kb

input:

7 9
1 4 1 3 3 6 7
5 4
3 6
3 4
2 3
5 2
2 6
6 7
5 1
4 6

output:

6

result:

ok single line: '6'

Test #2:

score: 0
Accepted
time: 0ms
memory: 3536kb

input:

5 7
1 5 3 1 4
3 5
1 3
5 1
1 4
5 4
2 4
3 2

output:

5

result:

ok single line: '5'

Test #3:

score: 0
Accepted
time: 0ms
memory: 3608kb

input:

7 7
2 4 2 3 3 6 7
5 1
2 6
5 3
4 6
1 6
1 2
2 7

output:

6

result:

ok single line: '6'

Test #4:

score: 0
Accepted
time: 0ms
memory: 3580kb

input:

3 2
2 2 2
2 3
1 3

output:

2

result:

ok single line: '2'

Test #5:

score: 0
Accepted
time: 0ms
memory: 3772kb

input:

5 5
3 1 2 4 5
3 2
2 4
3 5
5 1
2 5

output:

5

result:

ok single line: '5'

Test #6:

score: 0
Accepted
time: 0ms
memory: 3524kb

input:

7 9
3 2 3 5 2 6 7
7 4
5 4
5 6
1 7
1 6
2 3
7 6
6 4
4 2

output:

7

result:

ok single line: '7'

Test #7:

score: -100
Wrong Answer
time: 0ms
memory: 3516kb

input:

3 2
1 2 3
3 1
2 1

output:

1

result:

wrong answer 1st lines differ - expected: '2', found: '1'