Submission #993138
Source Code Expand
#include <bits/stdc++.h> #define REP(i,n) for(int i=0; i<(int)(n); ++i) #define FOR(i,k,n) for(int i=(k);i<(int)(n);++i) typedef long long int ll; using namespace std; vector<vector<int> > edge; vector<bool> visit; void dfs(int v) { if(visit[v]) return; visit[v] = true; for(int i=0; i<edge[v].size(); ++i) { dfs(edge[v][i]); } } int main(void) { int N, M; int K, L; cin >> N >> M; edge.resize(N+M); REP(i, N) { cin >> K; edge[i].resize(K); REP(j, K) { cin >> L; L = N+L-1; edge[i][j] = L; edge[L].push_back(i); } } visit.resize(N+M); dfs(0); REP(i, N) { if(!visit[i]) { cout << "NO" << endl; return 0; } } cout << "YES" << endl; }
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | kivantium |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 864 Byte |
Status | AC |
Exec Time | 75 ms |
Memory | 8440 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 200 / 200 | ||||||
Status |
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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 |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 3 ms | 256 KB |
01-02.txt | AC | 3 ms | 256 KB |
01-03.txt | AC | 3 ms | 384 KB |
01-04.txt | AC | 3 ms | 256 KB |
01-05.txt | AC | 3 ms | 256 KB |
01-06.txt | AC | 3 ms | 256 KB |
01-07.txt | AC | 3 ms | 256 KB |
01-08.txt | AC | 3 ms | 256 KB |
01-09.txt | AC | 3 ms | 256 KB |
01-10.txt | AC | 3 ms | 384 KB |
02-01.txt | AC | 53 ms | 5376 KB |
02-02.txt | AC | 64 ms | 6144 KB |
02-03.txt | AC | 51 ms | 4096 KB |
02-04.txt | AC | 70 ms | 7040 KB |
02-05.txt | AC | 67 ms | 6016 KB |
02-06.txt | AC | 71 ms | 7040 KB |
02-07.txt | AC | 69 ms | 6144 KB |
02-08.txt | AC | 54 ms | 6136 KB |
02-09.txt | AC | 75 ms | 8440 KB |
02-10.txt | AC | 58 ms | 6140 KB |
02-11.txt | AC | 58 ms | 6140 KB |
02-12.txt | AC | 57 ms | 6144 KB |
02-13.txt | AC | 58 ms | 6016 KB |
sample-01.txt | AC | 3 ms | 256 KB |
sample-02.txt | AC | 3 ms | 256 KB |