Submission #7901339
Source Code Expand
#pragma GCC optimize("Ofast") #include<bits/stdc++.h> using namespace std; const int INF = 1000000007; using P=pair<int,int>; vector<int> d(200005,0); signed main(){ cin.tie(nullptr); ios::sync_with_stdio(false); int n,m,k,l; cin>>n>>m; queue<int> q; d[0]=1; q.push(0); vector<int> L[n+m];//人間は0~n-1,言語はn~n+l-1 for(int i=0;i<n;i++){ cin>>k; for(int j=0;j<k;j++){ cin>>l; L[i].emplace_back(l+n-1); L[l+n-1].emplace_back(i); } } while(q.size()){ int t=q.front();q.pop(); for(auto y:L[t]){ if(d[y]==0){d[y]=1;q.push(y);} else{continue;} } } for(int i=0;i<n;i++){ if(d[i]==0){cout<<"NO";return 0;} } cout<<"YES"; }
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | zono819 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 774 Byte |
Status | AC |
Exec Time | 31 ms |
Memory | 9720 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 200 / 200 | ||||||
Status |
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|
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Set Name | Test Cases |
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sample | sample-01.txt, sample-02.txt |
dataset1 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt |
dataset2 | sample-01.txt, sample-02.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 02-01.txt, 02-02.txt, 02-03.txt, 02-04.txt, 02-05.txt, 02-06.txt, 02-07.txt, 02-08.txt, 02-09.txt, 02-10.txt, 02-11.txt, 02-12.txt, 02-13.txt, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 2 ms | 1024 KB |
01-02.txt | AC | 2 ms | 1152 KB |
01-03.txt | AC | 2 ms | 1152 KB |
01-04.txt | AC | 2 ms | 1152 KB |
01-05.txt | AC | 2 ms | 1152 KB |
01-06.txt | AC | 2 ms | 1152 KB |
01-07.txt | AC | 2 ms | 1152 KB |
01-08.txt | AC | 2 ms | 1152 KB |
01-09.txt | AC | 2 ms | 1152 KB |
01-10.txt | AC | 2 ms | 1152 KB |
02-01.txt | AC | 26 ms | 6272 KB |
02-02.txt | AC | 25 ms | 7168 KB |
02-03.txt | AC | 25 ms | 4608 KB |
02-04.txt | AC | 31 ms | 7808 KB |
02-05.txt | AC | 30 ms | 6528 KB |
02-06.txt | AC | 31 ms | 7808 KB |
02-07.txt | AC | 29 ms | 6912 KB |
02-08.txt | AC | 21 ms | 7160 KB |
02-09.txt | AC | 24 ms | 9720 KB |
02-10.txt | AC | 20 ms | 7288 KB |
02-11.txt | AC | 20 ms | 7160 KB |
02-12.txt | AC | 21 ms | 6912 KB |
02-13.txt | AC | 22 ms | 6912 KB |
sample-01.txt | AC | 2 ms | 1024 KB |
sample-02.txt | AC | 2 ms | 1024 KB |