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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #544068 | #1869. Power Station of Art | PhantomThreshold | AC ✓ | 594ms | 119888kb | C++20 | 1.8kb | 2024-09-02 02:33:54 | 2024-09-02 02:33:54 |
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);
mt19937_64 rng(41287482);
const int maxw=1e6;
vector<ull> w(maxw+5);
for(int i=0;i<=maxw;i++)
w[i]=rng();
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
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Test #1:
score: 100
Accepted
time: 5ms
memory: 11124kb
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: 594ms
memory: 119888kb
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