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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
#490222	#5745. Graph Isomorphism	ucup-team1525^#	WA	8ms	3816kb	C++20	972b	2024-07-25 13:05:46	2024-07-25 13:05:46

Judging History

This is the latest submission verdict.

[2024-07-25 13:05:46]
Judged

Verdict: WA
Time: 8ms
Memory: 3816kb

Show

[2024-07-25 13:05:46]
Submitted

answer

#include<bits/stdc++.h>
using namespace std;
int n,m;
const int N=100005;
int d[N];
void solve()
{
    scanf("%d%d",&n,&m);
    for (int i=1;i<=n;++i)
        d[i]=0;
    for (int i=1,u,v;i<=m;++i)
    {
        scanf("%d%d",&u,&v);
        ++d[u];
        ++d[v];
    }
    if (m==0||m==(long long)n*(n-1)/2)
    {
        puts("YES");
        return;
    }
    if (m==n-1)
    {
        int sum=0;
        for (int i=1;i<=n;++i)
            if (d[i]==1)
                ++sum;
        if (sum==n-1)
        {
            puts("YES");
            return;
        }
    }
    if (m==(long long)(n-1)*(n-2)/2)
    {
        int sum=0;
        for (int i=1;i<=n;++i)
            if (d[i]==n-2)
                ++sum;
        if (sum==n-1)
        {
            puts("YES");
            return;
        }
    }
    puts("NO");
}
int main()
{
    int t;
    scanf("%d",&t);
    while (t--)
        solve();
    return 0;
}

源文件, 语言: C++20

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 3816kb

input:

output:

YES
YES
NO

result:

ok 3 token(s): yes count is 2, no count is 1

Test #2:

score: 0

Accepted

time: 8ms

memory: 3676kb

input:

output:

YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
...

result:

ok 39982 token(s): yes count is 39982, no count is 0

Test #3:

score: -100

Wrong Answer

time: 6ms

memory: 3684kb

input:

output:

YES
YES
YES
YES
YES
NO
NO
YES
NO
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
NO
YES
NO
YES
YES
YES
NO
YES
YES
NO
YES
NO
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
...

result:

wrong answer expected YES, found NO [83rd token]