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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#614255 | #1869. Power Station of Art | ydzr00000 | WA | 383ms | 49560kb | C++17 | 2.4kb | 2024-10-05 16:01:16 | 2024-10-05 16:01:18 |
Judging History
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'