Submission #1496995
Source Code Expand
#include<bits/stdc++.h> #include<string> #include<cctype> #include<cmath> #define rep(i,n) for(int i=0;i<(n);i++) using namespace std; int tree[100001]; int root(int X){return tree[X] == X? X :tree[X]=root(tree[X]);} int unite (int a,int b){tree[root(a)] = root(b);} int main(){ int n,m,ans=0; cin >> n >> m; rep(i,n){ tree[i]=i; } while(m--){ int k; cin >> k; int l[k]; rep(i,k){ cin >> l[i]; } rep(i,k-1){ unite(l[i],l[i+1]); } } rep(i,n-1){ if(root(i)==root(i+1)){ }else{ ans=1; } } if(ans==1){ cout << "NO" << endl; }else{ cout << "YES" << endl; } return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Interpretation |
User | k16180 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 723 Byte |
Status | RE |
Exec Time | 143 ms |
Memory | 1280 KB |
Judge Result
Set Name | sample | dataset1 | dataset2 | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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, sample-01.txt, sample-02.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
01-01.txt | WA | 1 ms | 256 KB |
01-02.txt | RE | 95 ms | 256 KB |
01-03.txt | AC | 2 ms | 256 KB |
01-04.txt | WA | 1 ms | 256 KB |
01-05.txt | AC | 1 ms | 256 KB |
01-06.txt | RE | 95 ms | 256 KB |
01-07.txt | WA | 1 ms | 256 KB |
01-08.txt | AC | 1 ms | 256 KB |
01-09.txt | WA | 1 ms | 256 KB |
01-10.txt | WA | 1 ms | 256 KB |
02-01.txt | RE | 134 ms | 640 KB |
02-02.txt | AC | 2 ms | 640 KB |
02-03.txt | RE | 133 ms | 384 KB |
02-04.txt | WA | 50 ms | 640 KB |
02-05.txt | WA | 7 ms | 512 KB |
02-06.txt | RE | 143 ms | 640 KB |
02-07.txt | WA | 7 ms | 640 KB |
02-08.txt | AC | 1 ms | 640 KB |
02-09.txt | WA | 55 ms | 640 KB |
02-10.txt | AC | 45 ms | 1280 KB |
02-11.txt | AC | 46 ms | 1280 KB |
02-12.txt | WA | 43 ms | 640 KB |
02-13.txt | AC | 44 ms | 768 KB |
sample-01.txt | AC | 1 ms | 256 KB |
sample-02.txt | AC | 1 ms | 256 KB |