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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#614255#1869. Power Station of Artydzr00000WA 383ms49560kbC++172.4kb2024-10-05 16:01:162024-10-05 16:01:18

Judging History

你现在查看的是最新测评结果

  • [2024-10-05 16:01:18]
  • 评测
  • 测评结果:WA
  • 用时:383ms
  • 内存:49560kb
  • [2024-10-05 16:01:16]
  • 提交

answer

#include<bits/stdc++.h>
using namespace std;
vector<int>e[1000001];
int col[1000001],cnt[2][2][2];
int a[1000001],b[1000001];
bool f[1000001],g[1000001];
inline void solve()
{
    int n,m;
    scanf("%d %d",&n,&m);
    for(int i=1;i<=n;i++)
    {
        e[i].clear();
        col[i]=-1;
    }
    for(int i=1;i<=m;i++)
    {
        int u,v;
        scanf("%d %d",&u,&v);
        e[u].push_back(v);
        e[v].push_back(u);
    }
    for(int i=1;i<=n;i++)
        scanf("%d",&a[i]);
    string s,t;
    cin>>s;
    int p=0;
    for(auto ch: s)
        f[++p]=(ch=='R');
    for(int i=1;i<=n;i++)
        scanf("%d",&b[i]);
    p=0;
    cin>>t;
    for(auto ch: t)
        g[++p]=(ch=='R');
    bool iso=true;
    for(int u=1;u<=n;u++)
        if(col[u]==-1)
        {
            col[u]=0;
            bool bg=true;
            vector<int>nX,nY,comp;
            auto dfs=[&](auto self,int now)->void
            {
                nX.push_back(a[now]);
                nY.push_back(b[now]);
                comp.push_back(now);
                for(auto to: e[now])
                {
                    if(col[to]==-1)
                    {
                        col[to]=(col[now]^1);
                        self(self,to);
                    }
                    else
                        bg&=(col[to]==(col[now]^1));
                }
            };
            dfs(dfs,u);
            sort(nX.begin(),nX.end());
            sort(nY.begin(),nY.end());
            bool ci=true;
            int sz=comp.size();
            for(int i=0;i<sz;i++)
                ci&=(nX[i]==nY[i]);
            if(!bg)
            {
                int rA=0,rB=0;
                for(auto v: comp)
                    rA+=f[v],rB+=g[v];
                ci&=((rA&1)==(rB&1));
            }
            else
            {
                memset(cnt,0,sizeof(cnt));
                for(auto v: comp)
                    cnt[0][col[v]][f[v]]++,cnt[1][col[v]][g[v]]++;
                ci&=(cnt[0][0][0]+cnt[0][1][1]==cnt[1][0][0]+cnt[1][1][1]);
                ci&=(cnt[0][0][1]+cnt[0][1][0]==cnt[1][0][1]+cnt[1][1][0]);
            }
            iso&=ci;
        }
    puts(iso?"YES":"NO");
}
int main(){
    int st=clock();

    int t;
    scanf("%d",&t);
    while(t--)
        solve();

    int ed=clock();
    cerr<<"Time: "<<(ed-st)<<"ms"<<endl;

    return 0;
}

Details

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Test #1:

score: 100
Accepted
time: 4ms
memory: 35112kb

input:

3
2 1
1 2
3 4
RR
4 3
BB
3 2
1 2
2 3
1 1 1
RBR
1 1 1
BBB
3 3
1 2
2 3
3 1
1 1 1
RBR
1 1 1
BBB

output:

YES
NO
YES

result:

ok 3 lines

Test #2:

score: -100
Wrong Answer
time: 383ms
memory: 49560kb

input:

25054
5 10
4 5
4 2
4 3
4 1
5 2
5 3
5 1
2 3
2 1
3 1
12 2 9 10 7
RRRBB
10 2 9 7 12
RRBRB
1 0
4
R
4
R
8 4
4 3
1 5
8 5
6 5
7 2 11 10 9 6 3 5
RBRBBRBR
7 2 10 11 6 5 3 9
RBRBBRBR
7 4
7 2
5 1
5 6
5 4
12 5 9 14 5 12 12
RRBRBRR
14 12 9 5 12 12 5
RBBRBRB
10 1
4 6
5 3 2 9 7 3 11 11 6 8
RRRBRRBBBR
5 3 2 3 7 9 1...

output:

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

result:

wrong answer 299th lines differ - expected: 'NO', found: 'YES'