Submission #7973608
Source Code Expand
#include <iostream> using namespace std; typedef long long ll; ll par[100010]; ll sz[100010]; void init(ll n) { for (int i = 0; i < n; i++) { par[i] = i; sz[i] = 0; } } ll find(ll x) { if (par[x] == x) return x; else return par[x] = find(par[x]); } void unite(ll x, ll 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(ll x, ll y) { return par[x] == par[y]; } int main() { ll n, q; cin >> n >> q; ll *p = new ll[q], *a = new ll[q], *b = new ll[q]; init(n); for (ll i = 0; i < q; i++) cin >> p[i] >> a[i] >> b[i]; for (ll i = 0; i < q; i++) { if (p[i]) { if (same(a[i], b[i])) cout << "Yes" << endl; else cout << "No" << endl; } else unite(a[i], b[i]); } return 0; }
Submission Info
Submission Time | |
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Task | B - Union Find |
User | isawo |
Language | C++14 (Clang 3.8.0) |
Score | 100 |
Code Size | 1091 Byte |
Status | AC |
Exec Time | 726 ms |
Memory | 7040 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 100 / 100 | ||||
Status |
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Set Name | Test Cases |
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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 | 2 ms | 512 KB |
subtask_01_01.txt | AC | 412 ms | 3584 KB |
subtask_01_02.txt | AC | 2 ms | 1792 KB |
subtask_01_03.txt | AC | 581 ms | 5760 KB |
subtask_01_04.txt | AC | 718 ms | 7040 KB |
subtask_01_05.txt | AC | 39 ms | 640 KB |
subtask_01_06.txt | AC | 43 ms | 2176 KB |
subtask_01_07.txt | AC | 628 ms | 5504 KB |
subtask_01_08.txt | AC | 726 ms | 7040 KB |
subtask_01_09.txt | AC | 1 ms | 256 KB |
subtask_01_10.txt | AC | 2 ms | 1792 KB |
subtask_01_11.txt | AC | 589 ms | 5632 KB |
subtask_01_12.txt | AC | 725 ms | 7040 KB |
subtask_01_13.txt | AC | 539 ms | 4480 KB |
subtask_01_14.txt | AC | 3 ms | 1792 KB |
subtask_01_15.txt | AC | 617 ms | 5504 KB |
subtask_01_16.txt | AC | 712 ms | 7040 KB |
subtask_01_17.txt | AC | 563 ms | 6784 KB |
subtask_01_18.txt | AC | 553 ms | 6784 KB |