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
#742857	#9623. 合成大西瓜	RWeakest^#	WA	1ms	9428kb	C++17	933b	2024-11-13 17:30:07	2024-11-13 17:30:11

Judging History

你现在查看的是最新测评结果

[2024-11-13 17:30:11]
评测

测评结果：WA
用时：1ms
内存：9428kb

查看

[2024-11-13 17:30:07]
提交

answer

#include<bits/stdc++.h>

using namespace std;
#define ll long long

const int N = 1e5 + 100;

ll n, m, a[N], deg[N];
vector<ll> edge[N], son[N];

bool cmp(ll x1, ll x2) {
    return x1 > x2;
}

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr), std::cout.tie(nullptr);

    cin >> n >> m;
    for (int i = 1; i <= n; i++) cin >> a[i];
    for (int i = 1; i <= m; i++) {
        int u, v;
        cin >> u >> v;
        edge[u].push_back(a[v]);
        edge[v].push_back(a[u]);
    }
    if (n == 1) {
        cout << a[1];
        return 0;
    }

    ll ans = 0;
    for (int i = 1; i <= n; i++) {
        if (edge[i].size() < 2) continue;
        ans = max(ans, a[i]);
        sort(edge[i].begin(), edge[i].end(), cmp);
        ans = max(ans, edge[i][1]);
    }

    cout << ans;

    return 0;
}

/*
7 7
1 1 2 3 1 2 1
1 2
2 3
1 3
2 4
2 5
5 6
5 7
 */

源文件, 语言: C++17

详细

Test #1:

score: 100

Accepted

time: 0ms

memory: 8332kb

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:

result:

ok single line: '6'

Test #2:

score: 0

Accepted

time: 1ms

memory: 8316kb

input:

output:

result:

ok single line: '5'

Test #3:

score: 0

Accepted

time: 1ms

memory: 8252kb

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:

result:

ok single line: '6'

Test #4:

score: 0

Accepted

time: 1ms

memory: 8352kb

input:

output:

result:

ok single line: '2'

Test #5:

score: 0

Accepted

time: 1ms

memory: 9336kb

input:

output:

result:

ok single line: '5'

Test #6:

score: 0

Accepted

time: 0ms

memory: 9284kb

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:

result:

ok single line: '7'

Test #7:

score: 0

Accepted

time: 0ms

memory: 8460kb

input:

output:

result:

ok single line: '2'

Test #8:

score: 0

Accepted

time: 0ms

memory: 8304kb

input:

9 9
6 1 1 1 3 7 1 8 9
9 8
6 7
2 7
5 6
7 9
5 1
7 3
1 6
1 4

output:

result:

ok single line: '9'

Test #9:

score: 0

Accepted

time: 1ms

memory: 9132kb

input:

9 10
7 7 4 2 2 6 6 8 9
9 6
4 6
1 2
4 3
5 6
7 5
6 8
7 4
1 7
1 9

output:

result:

ok single line: '9'

Test #10:

score: 0

Accepted

time: 1ms

memory: 8252kb

input:

output:

result:

ok single line: '3'

Test #11:

score: 0

Accepted

time: 1ms

memory: 8312kb

input:

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

output:

result:

ok single line: '7'

Test #12:

score: -100

Wrong Answer

time: 1ms

memory: 9428kb

input:

17 17
2 15 7 13 8 6 12 8 10 13 15 5 7 8 13 16 17
5 9
6 1
7 9
6 10
16 15
3 6
14 3
11 6
12 15
8 4
9 10
7 6
15 6
2 10
8 10
13 6
17 7

output:

result:

wrong answer 1st lines differ - expected: '16', found: '13'