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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #544069 | #1869. Power Station of Art | PhantomThreshold | AC ✓ | 606ms | 112300kb | C++20 | 1.7kb | 2024-09-02 02:34:45 | 2024-09-02 02:34:46 |
Judging History
answer
#include<bits/stdc++.h>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
#define ll long long
#define int long long
using namespace std;
using ull=unsigned long long;
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
int Tcase; cin>>Tcase;
while(Tcase--)
{
int n,m;
cin>>n>>m;
vector<vector<int>> G(n+5);
for(int i=1;i<=m;i++)
{
int u,v;
cin>>u>>v;
G[u].push_back(v);
G[v].push_back(u);
}
vector<int> a(n+5),b(n+5);
string ca,cb;
for(int i=1;i<=n;i++)cin>>a[i];
cin>>ca;
ca=' '+ca;
for(int i=1;i<=n;i++)cin>>b[i];
cin>>cb;
cb=' '+cb;
vector<int> bel(n+5),good(n+5),col(n+5);
vector<int> cntr(n+5);
vector<vector<multiset<int>>> suma(2,vector<multiset<int>>(n+5));
vector<vector<multiset<int>>> sumb(2,vector<multiset<int>>(n+5));
function<void(int,int)> dfs=[&](int r,int u)
{
bel[u]=r;
for(auto v:G[u])
{
if(not bel[v])
{
col[v]=col[u]^1;
dfs(r,v);
}
else if(col[u]==col[v])
good[r]=0;
}
};
for(int i=1;i<=n;i++)
{
if(not bel[i])
{
good[i]=1;
dfs(i,i);
}
}
for(int i=1;i<=n;i++)
{
if(good[bel[i]])
{
suma[(ca[i]=='R')^col[i]][bel[i]].insert(a[i]);
sumb[(cb[i]=='R')^col[i]][bel[i]].insert(b[i]);
}
else
{
if(ca[i]=='R')cntr[bel[i]]^=1;
if(cb[i]=='R')cntr[bel[i]]^=1;
suma[0][bel[i]].insert(a[i]);
sumb[0][bel[i]].insert(b[i]);
}
}
int ok=1;
for(int i=1;i<=n;i++)
{
if(cntr[i]!=0)ok=0;
if(suma[0][i]!=sumb[0][i] or suma[1][i]!=sumb[1][i])ok=0;
}
if(ok)cout<<"YES\n";
else cout<<"NO\n";
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3628kb
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: 606ms
memory: 112300kb
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