QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#692464 | #7738. Equivalent Rewriting | travel | WA | 1ms | 5948kb | C++14 | 1.3kb | 2024-10-31 14:33:02 | 2024-10-31 14:33:03 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define int long long
typedef pair<int,int> PII;
#define endl "\n"
#define ft first
#define sd second
#define pb push_back
const int MOD = 1e9 + 7,N = 1e5 + 10;
vector<int> e[N];
int d[N];
void solve() {
int n,m; cin>>n>>m;
map<int,int> mp;
for(int i = 1;i <= n;i++)
{
d[i] = 0;
e[i].clear();
}
for(int i = 1;i <= n;i++){
int x; cin>>x;
for(int j = 1;j <= x;j++){
int y; cin>>y;
if(mp.count(y)){
e[mp[y]].pb(i);
d[i]++;
}
else mp[y] = i;
}
}
queue<int> q;
for(int i = 1;i <= n;i++)
if(!d[i] && i != 1) q.push(i);
q.push(1);
if(q.size() == 1)
cout<<"No\n";
else {
cout<<"Yes\n";
while(q.size()){
int t = q.front(); q.pop();
cout<<t<<' ';
for(int v : e[t]){
if(--d[v] == 0)
q.push(v);
}
}
cout<<"\n";
}
return ;
}
signed main() {
// ios::sync_with_stdio(0);
// cin.tie(0);
// cout.tie(0);
int T = 1;
cin>>T;
while(T--)
solve();
return 0;
}
/*
3
3 6
3 3 1 5
2 5 3
2 2 6
2 3
3 1 3 2
2 3 1
1 3
2 2 1
*/
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 5948kb
input:
3 3 6 3 3 1 5 2 5 3 2 2 6 2 3 3 1 3 2 2 3 1 1 3 2 2 1
output:
Yes 3 1 2 No No
result:
ok OK. (3 test cases)
Test #2:
score: -100
Wrong Answer
time: 1ms
memory: 5828kb
input:
1 10 5 2 2 4 4 1 3 4 2 1 2 3 2 1 4 4 5 2 4 3 3 2 5 4 3 5 4 2 3 1 3 2 5 1 4 2 3 5 1 4
output:
No
result:
wrong answer jury found an answer but participant did not (test case 1)