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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 |
|---|---|---|---|---|---|---|---|---|---|
| #644155 | #6109. Similarity Graph | strlen_s_ | WA | 1ms | 3844kb | C++17 | 2.9kb | 2024-10-16 11:24:13 | 2024-10-16 11:24:14 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
using namespace std;
const int N=105,M=5005;
int mp[N][N];
int id[N][N],cnt;
int cx[M],cy[M],col[M];
int f[M<<1];
vector<int>G[M];
int ansp[N],ansq[N];
int n;
int find(int x){return f[x]==x?x:f[x]=find(f[x]);}
bool iscon(int x,int y){return find(x)==find(y);}
bool merge(int x,int y){
x=find(x),y=find(y);
if(x==y)return 0;
f[x]=y;return 1;
}
signed main(){
ios::sync_with_stdio(0);
cin.tie(0),cout.tie(0);
cin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
cin>>mp[i][j];
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++)
id[i][j]=++cnt,cx[cnt]=i,cy[cnt]=j;
for(int i=1;i<=cnt+cnt;i++)f[i]=i;
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++)
for(int k=j+1;k<=n;k++){
if((mp[i][j]&&mp[j][k]&&mp[i][k])||(!mp[i][j]&&!mp[j][k]&&!mp[i][k]))continue;
if((mp[i][j]&&mp[i][k])||(!mp[i][j]&&!mp[i][k])){
if(iscon(id[i][j],id[i][k]+cnt)){cout<<"NO\n";return 0;}
merge(id[i][j],id[i][k]),merge(id[i][j]+cnt,id[i][k]+cnt);
}
if((mp[i][j]&&mp[j][k])||(!mp[i][j]&&!mp[j][k])){
if(iscon(id[i][j],id[j][k])){cout<<"NO\n";return 0;}
merge(id[i][j],id[j][k]+cnt),merge(id[i][j]+cnt,id[j][k]);
}
if((mp[i][k]&&mp[j][k])||(!mp[i][k]&&!mp[j][k])){
if(iscon(id[i][k],id[j][k]+cnt)){cout<<"NO\n";return 0;}
merge(id[i][k],id[j][k]),merge(id[i][k]+cnt,id[j][k]+cnt);
}
}
bool fl=1;
while(fl){
fl=0;
for(int i=1;i<=n;i++)
for(int j=i+1;j<=n;j++)
for(int k=j+1;k<=n;k++){
if(!((mp[i][j]&&mp[j][k]&&mp[i][k])||(!mp[i][j]&&!mp[j][k]&&!mp[i][k])))continue;
if(iscon(id[i][j],id[i][k]+cnt)){
if(iscon(id[i][j],id[j][k])){cout<<"NO\n";return 0;}
fl|=merge(id[i][j],id[j][k]+cnt),fl|=merge(id[i][j]+cnt,id[j][k]);
}
if(iscon(id[i][j],id[j][k])){
if(iscon(id[i][k],id[j][k]+cnt)){cout<<"NO\n";return 0;}
fl|=merge(id[i][k],id[j][k]),fl|=merge(id[i][k]+cnt,id[j][k]+cnt);
}
if(iscon(id[i][k],id[j][k]+cnt)){
if(iscon(id[i][j],id[i][k]+cnt)){cout<<"NO\n";return 0;}
fl|=merge(id[i][j],id[i][k]),fl|=merge(id[i][j]+cnt,id[i][k]+cnt);
}
}
}
for(int i=1;i<=n;i++)ansp[i]=ansq[i]=1;
for(int i=1;i<=cnt;i++){
if(!col[i])col[i]=1;
for(int j=i+1;j<=cnt;j++){
if(col[j])continue;
if(iscon(i,j))col[j]=col[i];
if(iscon(i,j+cnt))col[j]=3-col[i];
}
if(!mp[cx[i]][cy[i]]){
if(col[i]==1)ansp[cx[i]]++,ansq[cy[i]]++;
else ansp[cy[i]]++,ansq[cx[i]]++;
}
else{
if(col[i]==1)ansp[cx[i]]++,ansq[cx[i]]++;
else ansp[cy[i]]++,ansq[cx[i]]++;
}
}
cout<<"YES\n";
for(int i=1;i<=n;i++)cout<<ansp[i]<<' ';cout<<'\n';
for(int i=1;i<=n;i++)cout<<ansq[i]<<' ';cout<<'\n';
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3804kb
input:
4 0 1 0 1 1 0 0 0 0 0 0 1 1 0 1 0
output:
YES 4 3 2 1 3 1 4 2
result:
ok ok
Test #2:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
6 0 1 0 1 0 1 1 0 0 0 1 0 0 0 0 1 1 1 1 0 1 0 0 0 0 1 1 0 0 0 1 0 1 0 0 0
output:
NO
result:
ok ok
Test #3:
score: 0
Accepted
time: 0ms
memory: 3700kb
input:
1 0
output:
YES 1 1
result:
ok ok
Test #4:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
2 0 0 0 0
output:
YES 2 1 1 2
result:
ok ok
Test #5:
score: 0
Accepted
time: 0ms
memory: 3728kb
input:
2 0 1 1 0
output:
YES 2 1 2 1
result:
ok ok
Test #6:
score: 0
Accepted
time: 0ms
memory: 3844kb
input:
3 0 0 0 0 0 0 0 0 0
output:
YES 3 2 1 1 2 3
result:
ok ok
Test #7:
score: 0
Accepted
time: 0ms
memory: 3724kb
input:
3 0 0 0 0 0 1 0 1 0
output:
YES 3 2 1 1 3 2
result:
ok ok
Test #8:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
3 0 0 1 0 0 0 1 0 0
output:
YES 3 1 2 2 3 1
result:
ok ok
Test #9:
score: 0
Accepted
time: 0ms
memory: 3784kb
input:
3 0 0 1 0 0 1 1 1 0
output:
YES 3 2 1 2 3 1
result:
ok ok
Test #10:
score: 0
Accepted
time: 0ms
memory: 3792kb
input:
3 0 1 0 1 0 0 0 0 0
output:
YES 3 2 1 2 1 3
result:
ok ok
Test #11:
score: -100
Wrong Answer
time: 0ms
memory: 3732kb
input:
3 0 1 0 1 0 1 0 1 0
output:
YES 3 1 2 2 2 2
result:
wrong answer Q is not a permutation