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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#421016 | #1869. Power Station of Art | grass8cow | AC ✓ | 266ms | 57484kb | C++17 | 1.7kb | 2024-05-25 09:47:46 | 2024-05-25 09:47:47 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,m;
#define pb push_back
const int N=1e6+10;
vector<int>g[N];
int p1[N],p2[N],c1[N],c2[N],co[N];
char c[N];
bool ef;
vector<int>V;
void dfs(int x){
V.pb(x);
for(int v:g[x]){
if(!co[v])co[v]=3-co[x],dfs(v);
else ef|=(co[x]==co[v]);
}
}
const int Z=1e6+10;
bool sol(){
scanf("%d%d",&n,&m);
for(int i=1;i<=n;i++)g[i].clear(),co[i]=0;
for(int i=0,u,v;i<m;i++){
scanf("%d%d",&u,&v);
g[u].pb(v),g[v].pb(u);
}
for(int i=1;i<=n;i++)scanf("%d",&p1[i]);
scanf("%s",c+1);for(int i=1;i<=n;i++)c1[i]=(c[i]=='B');
for(int i=1;i<=n;i++)scanf("%d",&p2[i]);
scanf("%s",c+1);for(int i=1;i<=n;i++)c2[i]=(c[i]=='B');
for(int i=1;i<=n;i++)if(!co[i]){
V.clear(),ef=0,co[i]=1,dfs(i);
int sz=V.size();
if(!ef){
vector<int>t1,t2;
for(int x:V)
t1.pb(((co[x]==2)^c1[x])*Z+p1[x]),
t2.pb(((co[x]==2)^c2[x])*Z+p2[x]);
sort(t1.begin(),t1.end()),sort(t2.begin(),t2.end());
bool fuc=1;
for(int i=0;i<sz;i++)fuc&=(t1[i]==t2[i]);
if(!fuc)return 0;
}
else{
int ce=0;
for(int x:V)ce+=c1[x],ce-=c2[x];
if(ce&1)return 0;
else{
ce/=2;
vector<int>t1,t2;
for(int x:V)t1.pb(p1[x]),t2.pb(p2[x]);
sort(t1.begin(),t1.end()),sort(t2.begin(),t2.end());
bool fuc=1;for(int i=0;i<sz;i++)fuc&=(t1[i]==t2[i]);
if(!fuc)return 0;
}
}
}
return 1;
}
int main(){
int T;scanf("%d",&T);while(T--)puts(sol()?"YES":"NO");
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 36068kb
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: 0
Accepted
time: 266ms
memory: 57484kb
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:
ok 25054 lines