QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #52094 | #1869. Power Station of Art | tricyzhkx | AC ✓ | 491ms | 42388kb | C++14 | 1.3kb | 2022-10-04 10:25:09 | 2022-10-04 10:25:14 |
Judging History
answer
# include <bits/stdc++.h>
using namespace std;
int ca[2],cb[2],a[1000010],b[1000010],col[1000010];
bool flag;
char s[1000010],t[1000010];
vector<int> G[1000010];
vector<pair<int,int>> A,B;
void dfs(int u,int c)
{
if(col[u])
{
if(col[u]!=c) flag=0;
return;
}
col[u]=c;A.emplace_back(a[u],(col[u]>0)^s[u]);B.emplace_back(b[u],(col[u]>0)^t[u]);
ca[(col[u]>0)^s[u]]++;cb[(col[u]>0)^t[u]]++;
for(int v:G[u]) dfs(v,-c);
}
int main()
{
int T;
cin>>T;
while(T--)
{
int n,m,u,v;
scanf("%d%d",&n,&m);
for(int i=1;i<=m;i++)
{
scanf("%d%d",&u,&v);
G[u].push_back(v);G[v].push_back(u);
}
for(int i=1;i<=n;i++) scanf("%d",&a[i]);
scanf("%s",s+1);
for(int i=1;i<=n;i++) scanf("%d",&b[i]);
scanf("%s",t+1);
for(int i=1;i<=n;i++) col[i]=0,s[i]=(s[i]=='R'?1:0),t[i]=(t[i]=='R'?1:0);
bool ans=1;
for(int i=1;i<=n;i++)
if(!col[i])
{
flag=1;dfs(i,1);
sort(A.begin(),A.end());
sort(B.begin(),B.end());
int sz=A.size();
if(flag) for(int i=0;i<sz;i++) ans&=(A[i]==B[i]);
else
{
for(int i=0;i<sz;i++) ans&=(A[i].first==B[i].first);
ans&=((ca[0]&1)==(cb[0]&1));
}
A.clear();B.clear();
ca[0]=ca[1]=cb[0]=cb[1]=0;
if(!ans) break;
}
puts(ans?"YES":"NO");
for(int i=1;i<=n;i++) G[i].clear();
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 27208kb
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: 491ms
memory: 42388kb
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