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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#567996 | #9319. Bull Farm | yangzc | RE | 1ms | 7872kb | C++17 | 2.1kb | 2024-09-16 14:53:49 | 2024-09-16 14:53:50 |
Judging History
answer
#include<bits/stdc++.h>
#define maxn 3010
using namespace std;
using ll=long long;
int n,l,q;
int read(){
char c1,c2;
cin>>c1>>c2;
int x=(c1-48)*50+(c2-48);
return x;
}
// bitset<maxn>f[maxn];
bool f[maxn][maxn];
int a[maxn],b[maxn],c[maxn],t[maxn];
char s[maxn][maxn*2];
unordered_set<int> e[maxn];
bool vis[maxn];
bool cmp(int &x,int &y){return c[x]<c[y];}
void add(int x,int y){
if(x==y) return ;
e[x].insert(y);
}
void bfs(int x){
for(int i=1;i<=n;i++) vis[i]=0;
vis[x]=1;
queue<int> q;
q.push(x);
while(q.size()){
int u=q.front();
q.pop();
for(auto v:e[u]){
if(vis[v]) continue;
f[x][v]=1;
q.push(v);
vis[v]=1;
}
}
}
void Add(int x){
for(int j=1;j<=n;j++) t[j]=(s[x][j*2-2]-48)*50+(s[x][j*2-1]-48);
vector<int> tt(n+1,0);
int ok=0,a=0,b=0;
for(int j=1;j<=n;j++){
if(tt[t[j]]){
if(ok){
ok=-1;
break;
}
ok=j;
a=tt[t[j]];
b=j;
}
else tt[t[j]]=j;
}
if(ok==-1) return;
if(ok==0) for(int j=1;j<=n;j++) add(j,t[j]);
else add(a,ok),add(b,ok);
for(int i=1;i<=n;i++) bfs(i);
}
void solve(){
cin>>n>>l>>q;
for(int i=1;i<=n;i++) e[i].clear();
for(int i=1;i<=n;i++) for(int j=1;j<=n;j++) f[i][j]=0;
for(int i=1;i<=n;i++) f[i][i]=1;
for(int i=1;i<=l;i++) cin>>s[i];
for(int i=0;i<q;i++) a[i]=read(),b[i]=read(),c[i]=read();
vector<int> ord(q),ans(q);
iota(ord.begin(),ord.end(),0);
sort(ord.begin(),ord.end(),cmp);
int k=0;
for(auto i:ord){
while(k<c[i]){
k++;
Add(k);
}
ans[i]=f[a[i]][b[i]];
// ans[i]=f[a[i]].test(b[i]);
// if(a[i]==8&&b[i]==6&&c[i]==1){
// cout<<k<<" "<<ans[i]<<endl;
// for(int i=1;i<=10;i++) cout<<f[8][i];
// cout<<endl;
// }
}
for(auto i:ans) cout<<i;
cout<<'\n';
return ;
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
cout<<f[i][j];
}
cout<<endl;
}
}
int main(){
ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
int T=1;
cin>>T;
while(T--) solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5980kb
input:
2 5 2 4 0305040201 0404040404 030300 020500 050102 020501 6 2 4 030603010601 010203060504 030202 060402 050602 060401
output:
1011 0100
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 1ms
memory: 7872kb
input:
1 3 3 6 020202 030301 030201 020102 030203 010201 010303 020303 010202
output:
010101
result:
ok single line: '010101'
Test #3:
score: -100
Runtime Error
input:
200 10 10 5000 01060:04020305080709 0103070:060204050908 09070503080401060:02 050308010204090:0607 03010502040607080:09 03080109020504060:07 06050:09040302080107 07080305010409060:02 030809010:0204060507 0:060908070201050304 060700 090:03 09080: 070405 010703 0:0100 080601 030600 070206 0:0:09 08040...