Submission #423269
Source Code Expand
#include<iostream> using namespace std; int par[100000]; int ran[100000]; void init(int n){ for(int i=0;i<n;i++){ par[i]=i; ran[i]=0; } } int root(int x){ return par[x] == x?x:par[x]=root(par[x]); } bool same(int x,int y){ return root(x)==root(y); } void unite(int x,int y){ x=root(x); y=root(y); if(x==y) return; if(ran[x]<ran[y]){ par[x]=y; } else{ par[y]=x; if(ran[x]==ran[y]) ran[x]++; } } int main(){ int N,Q; cin>>N>>Q; init(N); while(Q!=0){ int P,A,B; cin>>P>>A>>B; if(P==0) unite(A,B); else{ if(same(A,B)) cout<<"Yes"<<endl; else cout<<"No"<<endl; } Q--; } }
Submission Info
Submission Time | |
---|---|
Task | B - Union Find |
User | yata |
Language | C++ (GCC 4.9.2) |
Score | 100 |
Code Size | 703 Byte |
Status | AC |
Exec Time | 882 ms |
Memory | 1700 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | 00_sample_01.txt |
All | 00_sample_01.txt, subtask_01_01.txt, subtask_01_02.txt, subtask_01_03.txt, subtask_01_04.txt, subtask_01_05.txt, subtask_01_06.txt, subtask_01_07.txt, subtask_01_08.txt, subtask_01_09.txt, subtask_01_10.txt, subtask_01_11.txt, subtask_01_12.txt, subtask_01_13.txt, subtask_01_14.txt, subtask_01_15.txt, subtask_01_16.txt, subtask_01_17.txt, subtask_01_18.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
00_sample_01.txt | AC | 33 ms | 916 KB |
subtask_01_01.txt | AC | 497 ms | 804 KB |
subtask_01_02.txt | AC | 27 ms | 1508 KB |
subtask_01_03.txt | AC | 653 ms | 796 KB |
subtask_01_04.txt | AC | 882 ms | 1700 KB |
subtask_01_05.txt | AC | 69 ms | 920 KB |
subtask_01_06.txt | AC | 75 ms | 1564 KB |
subtask_01_07.txt | AC | 764 ms | 804 KB |
subtask_01_08.txt | AC | 856 ms | 1564 KB |
subtask_01_09.txt | AC | 26 ms | 800 KB |
subtask_01_10.txt | AC | 27 ms | 1572 KB |
subtask_01_11.txt | AC | 686 ms | 916 KB |
subtask_01_12.txt | AC | 854 ms | 1568 KB |
subtask_01_13.txt | AC | 673 ms | 924 KB |
subtask_01_14.txt | AC | 28 ms | 1564 KB |
subtask_01_15.txt | AC | 757 ms | 800 KB |
subtask_01_16.txt | AC | 861 ms | 1568 KB |
subtask_01_17.txt | AC | 618 ms | 1576 KB |
subtask_01_18.txt | AC | 637 ms | 1696 KB |