Submission #420585
Source Code Expand
#include<iostream> using namespace std; int uf[100010]; int find_p(int node){ if(uf[node] >= 0)return uf[node] = find_p(uf[node]); else return node; } void set_union(int a,int b){ int pa = find_p(a),pb = find_p(b); if(pa != pb){ if(uf[pa] > uf[pb])uf[pa] = pb; else if(uf[pb] > uf[pa])uf[pb] = pa; else{ uf[pa] = pb; --uf[pb]; } } } int main(void){ int n,q; cin >> n >> q; for(int i = 0;i < n;++i)uf[i] = -1; for(int i = 0;i < q;++i){ int p,a,b; cin >> p >> a >> b; --a;--b; if(p == 0)set_union(a,b); else{ if(find_p(a) == find_p(b))cout << "Yes" << endl; else cout << "No" << endl; } } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Union Find |
User | Ashurnasirpal |
Language | C++ (GCC 4.9.2) |
Score | 0 |
Code Size | 727 Byte |
Status | WA |
Exec Time | 994 ms |
Memory | 1308 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 100 | ||||||
Status |
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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 | 25 ms | 792 KB |
subtask_01_01.txt | AC | 503 ms | 800 KB |
subtask_01_02.txt | AC | 26 ms | 1304 KB |
subtask_01_03.txt | AC | 717 ms | 924 KB |
subtask_01_04.txt | AC | 994 ms | 1184 KB |
subtask_01_05.txt | AC | 68 ms | 792 KB |
subtask_01_06.txt | AC | 74 ms | 1184 KB |
subtask_01_07.txt | WA | 750 ms | 812 KB |
subtask_01_08.txt | AC | 828 ms | 1184 KB |
subtask_01_09.txt | WA | 27 ms | 796 KB |
subtask_01_10.txt | AC | 24 ms | 1304 KB |
subtask_01_11.txt | WA | 732 ms | 804 KB |
subtask_01_12.txt | AC | 842 ms | 1192 KB |
subtask_01_13.txt | AC | 752 ms | 796 KB |
subtask_01_14.txt | AC | 26 ms | 1228 KB |
subtask_01_15.txt | WA | 740 ms | 700 KB |
subtask_01_16.txt | AC | 860 ms | 1308 KB |
subtask_01_17.txt | AC | 680 ms | 1192 KB |
subtask_01_18.txt | AC | 618 ms | 1184 KB |