제출 #1236809

#제출 시각아이디문제언어결과실행 시간메모리
1236809countless드문 곤충 (IOI22_insects)C++20
10 / 100
97 ms408 KiB
#include "insects.h" #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; #define sp <<" "<< #define endl "\n" int min_cardinality(int N) { vector<int> sz(N, 1), par(N); iota(par.begin(), par.end(), 0); auto find = [&](auto &&find, int u) -> int { if (u == par[u]) return u; return par[u] = find(find, par[u]); }; auto unite = [&](int u, int v) -> void { u = find(find, u), v = find(find, v); if (u == v) return; if (sz[u] < sz[v]) swap(u, v); par[v] = u; sz[u] += sz[v]; }; for (int i = 0; i < N; i++) { move_inside(i); for (int j = i+1; j < N; j++) { move_inside(j); int res = press_button(); if (res == 2) { unite(i, j); } move_outside(j); } move_outside(i); } int ans = INT_MAX; for (int i = 0; i < N; i++) { ans = min(ans, sz[find(find, i)]); } return ans; }
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