Submission #7973449
Source Code Expand
#include <iostream> using namespace std; int par[10010]; int sz[100010]; void init(int n) { for (int i = 0; i < n; i++) { par[i] = i; sz[i] = 0; } } int find(int x) { if (par[x] == x) return x; else return par[x] = find(par[x]); } void unite(int x, int y) { x = find(x); y = find(y); if (x == y) return; if (sz[x] < sz[y]) { par[x] = y; } else { par[y] = x; if (sz[x] == sz[y]) sz[x]++; } } bool same(int x, int y) { return par[x] == par[y]; } int main() { int n, q; cin >> n >> q; int *p = new int[q], *a = new int[q], *b = new int[q]; init(n); for (int i = 0; i < q; i++) cin >> p[i] >> a[i] >> b[i]; for (int i = 0; i < q; i++) { if (p[i]) { if (same(a[i]-1, b[i]-1)) cout << "Yes" << endl; else cout << "No" << endl; } else unite(a[i]-1, b[i]-1); } return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Union Find |
User | isawo |
Language | C++14 (Clang 3.8.0) |
Score | 0 |
Code Size | 1089 Byte |
Status | WA |
Exec Time | 735 ms |
Memory | 4736 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 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 | 1 ms | 256 KB |
subtask_01_01.txt | AC | 421 ms | 2048 KB |
subtask_01_02.txt | AC | 1 ms | 640 KB |
subtask_01_03.txt | AC | 594 ms | 3456 KB |
subtask_01_04.txt | AC | 721 ms | 3584 KB |
subtask_01_05.txt | AC | 38 ms | 512 KB |
subtask_01_06.txt | AC | 43 ms | 896 KB |
subtask_01_07.txt | WA | 648 ms | 3200 KB |
subtask_01_08.txt | AC | 728 ms | 3584 KB |
subtask_01_09.txt | WA | 1 ms | 256 KB |
subtask_01_10.txt | AC | 2 ms | 640 KB |
subtask_01_11.txt | WA | 594 ms | 3200 KB |
subtask_01_12.txt | AC | 720 ms | 3584 KB |
subtask_01_13.txt | AC | 539 ms | 2560 KB |
subtask_01_14.txt | AC | 3 ms | 640 KB |
subtask_01_15.txt | WA | 639 ms | 3200 KB |
subtask_01_16.txt | AC | 735 ms | 3584 KB |
subtask_01_17.txt | WA | 566 ms | 4736 KB |
subtask_01_18.txt | WA | 564 ms | 3328 KB |