Submission #1801416
Source Code Expand
#include <iostream> #include <fstream> #include <iomanip> #include <math.h> #include <limits.h> #include <algorithm> #include <vector> #include <list> #include <stack> #include <queue> #include <set> #include <map> #include <bitset> #include <string> #include <string.h> #include <sstream> #include <ctime> using namespace std; #define eps 1e-12 #define pi 3.14159265358979323846 #define pb push_back #define mp make_pair #define st first #define nd second #define bgn begin #define ll long long #define ld long double #define ull unsigned long long #define ii pair<ll,ll> const int N=2e5+10; int n,m,c; vector<int>adj[N]; bool vst[N]; void dfs(int u) { vst[u]=1; for(int i=0,v;i<adj[u].size();i++) { v=adj[u][i]; if(vst[v])continue; dfs(v); } } void solve() { cin>>n>>m; for(int i=1,k,l;i<=n;i++) { cin>>k; for(int j=1;j<=k;j++) { cin>>l; adj[i].pb(l+n); adj[l+n].pb(i); } } for(int i=1;i<=n+m;i++)vst[i]=0; dfs(1); c=0; for(int i=1;i<=n;i++)c+=vst[i]; if(c==n)cout<<"YES\n"; else cout<<"NO\n"; } int main() { std::ios::sync_with_stdio(0); cin.tie(0); #ifdef localProject freopen("in.txt","r",stdin); #endif solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | mostafa_9a7c2 |
Language | C++14 (GCC 5.4.1) |
Score | 400 |
Code Size | 1275 Byte |
Status | AC |
Exec Time | 32 ms |
Memory | 8704 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||
---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 200 / 200 | 200 / 200 | ||||||
Status |
|
|
|
Set Name | Test Cases |
---|---|
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 | 3 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 | 24 ms | 7936 KB |
02-02.txt | AC | 26 ms | 8704 KB |
02-03.txt | AC | 25 ms | 7680 KB |
02-04.txt | AC | 32 ms | 8192 KB |
02-05.txt | AC | 29 ms | 8704 KB |
02-06.txt | AC | 32 ms | 8192 KB |
02-07.txt | AC | 29 ms | 8576 KB |
02-08.txt | AC | 21 ms | 8568 KB |
02-09.txt | AC | 23 ms | 8696 KB |
02-10.txt | AC | 21 ms | 8568 KB |
02-11.txt | AC | 21 ms | 8568 KB |
02-12.txt | AC | 22 ms | 8448 KB |
02-13.txt | AC | 22 ms | 8448 KB |
sample-01.txt | AC | 3 ms | 4992 KB |
sample-02.txt | AC | 3 ms | 4992 KB |