Submission #1680595
Source Code Expand
#include <bits/stdc++.h> using namespace std; typedef long long ll; const int MAXN = 1e5+5; int n, m; vector<int> lan[MAXN]; vector<int> g[MAXN]; bool vis[MAXN]; int ct = 0; void dfs(int v) { vis[v] = 1; ct++; for (int u : g[v]) if (!vis[u]) dfs(u); } int main() { cin >> n >> m; for (int i = 0; i < n; ++i) { int k; cin >> k; for (int j = 0; j < k; ++j) { int t; cin >> t; lan[t].push_back(i); } } for (int i = 0; i <= m; ++i) { for (int j = 0; j < (int)lan[i].size() - 1; ++j) { g[lan[i][j]].push_back(lan[i][j+1]); g[lan[i][j+1]].push_back(lan[i][j]); } } dfs(0); if (ct == n) { cout << "YES\n"; } else { cout << "NO\n"; } }
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | desert97 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 726 Byte |
Status | AC |
Exec Time | 70 ms |
Memory | 11640 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, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | AC | 4 ms | 4992 KB |
01-02.txt | AC | 4 ms | 4992 KB |
01-03.txt | AC | 4 ms | 4992 KB |
01-04.txt | AC | 4 ms | 4992 KB |
01-05.txt | AC | 4 ms | 4992 KB |
01-06.txt | AC | 4 ms | 4992 KB |
01-07.txt | AC | 4 ms | 4992 KB |
01-08.txt | AC | 4 ms | 4992 KB |
01-09.txt | AC | 4 ms | 4992 KB |
01-10.txt | AC | 4 ms | 4992 KB |
02-01.txt | AC | 51 ms | 7680 KB |
02-02.txt | AC | 70 ms | 9472 KB |
02-03.txt | AC | 53 ms | 7424 KB |
02-04.txt | AC | 67 ms | 8192 KB |
02-05.txt | AC | 68 ms | 9088 KB |
02-06.txt | AC | 68 ms | 8192 KB |
02-07.txt | AC | 68 ms | 8576 KB |
02-08.txt | AC | 50 ms | 10084 KB |
02-09.txt | AC | 69 ms | 11640 KB |
02-10.txt | AC | 57 ms | 9852 KB |
02-11.txt | AC | 57 ms | 9852 KB |
02-12.txt | AC | 56 ms | 8576 KB |
02-13.txt | AC | 56 ms | 8576 KB |
sample-01.txt | AC | 4 ms | 4992 KB |
sample-02.txt | AC | 4 ms | 4992 KB |