Submission #993892
Source Code Expand
#include <bits/stdc++.h> using namespace std; #define pb push_back typedef long long ll; const ll INF = 1000000000ll; const ll MOD = 1000000007ll; const double EPS = 1e-8; bool used[1002]; int n, m; vector<bool> lang[1000]; int total; bool dfs(int idx){ //printf("id: %d\n", idx); //cout << total << n << endl; if(total == n){ return true; }else{ for(int j=0; j<n; j++){ for(int i=0; i<m; i++){ //printf("%d %d ", j, i); //cout << lang[idx][i] << ' ' << lang[j][i] << endl; if(used[j] == false && lang[idx][i] == true && lang[j][i] == true){ used[j] = true; total++; //printf("%d ok. total=%d\n", j, total); if(dfs(j) == true) return true; break; } } } } return false; } int main(void) { //ios_base::sync_with_stdio(false); //cin.tie(0); cin >> n >> m; for(int i=0; i<n; i++){ lang[i] = vector<bool>(1000, 0); int k; cin >> k; for(int j=0; j<k; j++){ int lan; cin >> lan; lan--; lang[i][lan] = true; } } used[0] = true; total = 1; if(dfs(0)){ puts("YES"); }else{ puts("NO"); } return 0; }
Submission Info
Submission Time | |
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Task | C - Interpretation |
User | tanutarou |
Language | C++14 (GCC 5.4.1) |
Score | 200 |
Code Size | 1171 Byte |
Status | RE |
Exec Time | 724 ms |
Memory | 512 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 0 / 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 | 2 ms | 256 KB |
01-02.txt | AC | 4 ms | 256 KB |
01-03.txt | AC | 4 ms | 384 KB |
01-04.txt | AC | 5 ms | 384 KB |
01-05.txt | AC | 76 ms | 384 KB |
01-06.txt | AC | 265 ms | 512 KB |
01-07.txt | AC | 103 ms | 384 KB |
01-08.txt | AC | 266 ms | 384 KB |
01-09.txt | AC | 159 ms | 384 KB |
01-10.txt | AC | 338 ms | 500 KB |
02-01.txt | RE | 724 ms | 384 KB |
02-02.txt | RE | 110 ms | 384 KB |
02-03.txt | RE | 113 ms | 512 KB |
02-04.txt | RE | 110 ms | 384 KB |
02-05.txt | RE | 111 ms | 384 KB |
02-06.txt | RE | 110 ms | 384 KB |
02-07.txt | RE | 110 ms | 384 KB |
02-08.txt | RE | 110 ms | 384 KB |
02-09.txt | RE | 110 ms | 384 KB |
02-10.txt | RE | 110 ms | 384 KB |
02-11.txt | RE | 109 ms | 384 KB |
02-12.txt | RE | 111 ms | 384 KB |
02-13.txt | RE | 111 ms | 384 KB |
sample-01.txt | AC | 2 ms | 256 KB |
sample-02.txt | AC | 2 ms | 256 KB |