Submission #1519390
Source Code Expand
#include <cstdio> #define MAX_N 100000 int par[MAX_N], rank[MAX_N]; int n, q; void init(){ for(int i = 0; i < n; i++) par[i] = i; } int find(int x){ if(par[x] == x) return x; else return find(par[x]); } void unite(int x, int y){ x = find(x); y = find(y); if(x == y) return; if(rank[x] > rank[y]){ par[y] = x; }else{ par[x] = y; if(rank[x] == rank[y]){ rank[y]++; } } } bool same(int x, int y){ return find(x) == find(y); } int main(){ int P, X, Y; scanf("%d %d", &n, &q); init(); for(int i = 0; i < q; i++){ scanf("%d %d %d", &P, &X, &Y); X--; Y--; if(!P){ unite(X, Y); }else{ if(same(X, Y)){ printf("Yes\n"); }else{ printf("No\n"); } } } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Union Find |
User | nena_ |
Language | C++ (Clang 3.8.0) |
Score | 0 |
Code Size | 857 Byte |
Status | WA |
Exec Time | 51 ms |
Memory | 1280 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 | 6 ms | 760 KB |
subtask_01_01.txt | AC | 30 ms | 640 KB |
subtask_01_02.txt | AC | 1 ms | 640 KB |
subtask_01_03.txt | AC | 43 ms | 1024 KB |
subtask_01_04.txt | AC | 51 ms | 1280 KB |
subtask_01_05.txt | AC | 4 ms | 256 KB |
subtask_01_06.txt | AC | 5 ms | 1024 KB |
subtask_01_07.txt | WA | 47 ms | 896 KB |
subtask_01_08.txt | AC | 51 ms | 1280 KB |
subtask_01_09.txt | WA | 1 ms | 256 KB |
subtask_01_10.txt | AC | 1 ms | 640 KB |
subtask_01_11.txt | WA | 44 ms | 896 KB |
subtask_01_12.txt | AC | 51 ms | 1280 KB |
subtask_01_13.txt | AC | 38 ms | 768 KB |
subtask_01_14.txt | AC | 1 ms | 640 KB |
subtask_01_15.txt | WA | 44 ms | 896 KB |
subtask_01_16.txt | AC | 51 ms | 1280 KB |
subtask_01_17.txt | AC | 50 ms | 1024 KB |
subtask_01_18.txt | AC | 50 ms | 1024 KB |