QOJ.ac
QOJ
| ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
|---|---|---|---|---|---|---|---|---|---|
| #560911 | #1869. Power Station of Art | World_Creater | AC ✓ | 570ms | 27168kb | C++17 | 1.5kb | 2024-09-12 18:49:09 | 2024-09-12 18:49:09 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,m,nxt[2000005],head[1000005],go[2000005],k;
int s1[1000005],s2[1000005];
int a[1000005],b[1000005];
string s;
int col[1000005];
vector<pair<int,int> > v1,v2;
void add(int u,int v)
{
nxt[++k]=head[u];
head[u]=k;
go[k]=v;
}
void dfs(int x,int co,int &bip,int &xo1,int &xo2)
{
xo1^=s1[x];
xo2^=s2[x];
col[x]=co;
v1.emplace_back(a[x],co^s1[x]);
v2.emplace_back(b[x],co^s2[x]);
for(int i=head[x];i;i=nxt[i])
{
int g=go[i];
if(col[g]==-1) dfs(g,co^1,bip,xo1,xo2);
else if(col[g]==co) bip=0;
}
}
int main()
{
int t;
cin>>t;
while(t--)
{
cin>>n>>m;
for(int i=1;i<=m;i++)
{
int u,v;
cin>>u>>v;
add(u,v);
add(v,u);
}
for(int i=1;i<=n;i++)
{
cin>>a[i];
}
cin>>s;
for(int i=1;i<=n;i++)
{
s1[i]=s[i-1]=='R';
}
for(int i=1;i<=n;i++)
{
cin>>b[i];
}
cin>>s;
for(int i=1;i<=n;i++)
{
s2[i]=s[i-1]=='R';
}
bool fl=1;
for(int i=1;i<=n;i++) col[i]=-1;
for(int i=1;i<=n;i++)
{
v1.clear();
v2.clear();
if(col[i]!=-1) continue ;
int bip=1,xo1=0,xo2=0;
dfs(i,0,bip,xo1,xo2);
if(xo1!=xo2) fl=0;
sort(v1.begin(),v1.end());
sort(v2.begin(),v2.end());
if(bip)
{
for(int i=0;i<v1.size();i++)
{
fl&=v1[i]==v2[i];
}
}
else
{
for(int i=0;i<v1.size();i++)
{
fl&=v1[i].first==v2[i].first;
}
}
}
if(fl) cout<<"YES\n";
else cout<<"NO\n";
for(int i=1;i<=n;i++)
{
head[i]=0;
}
k=0;
}
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 13788kb
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: 570ms
memory: 27168kb
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