제출 #1233925

#제출 시각아이디문제언어결과실행 시간메모리
1233925trimkus드문 곤충 (IOI22_insects)C++20
10 / 100
99 ms436 KiB
#include "insects.h" #include <bits/stdc++.h> using namespace std; int min_cardinality(int N) { vector<int> ord(N); iota(begin(ord), end(ord), 0); mt19937 rng(0); shuffle(begin(ord), end(ord), rng); vector<bool> vis(N); vector<int> siz; int done = 0; while (done < N) { int i = 0; while (vis[ord[i]]) i += 1; int sz = 1; move_inside(ord[i]); vis[ord[i]] = 1; vector<int> inside{ord[i]}; for (int j = i + 1; j < N; ++j) { if (vis[ord[j]]) continue; move_inside(ord[j]); int r = press_button(); // cout << sz << " " << r << "\n"; if (r == sz) move_outside(ord[j]); else { inside.push_back(ord[j]); assert(r == sz + 1); sz += 1; vis[ord[j]] = 1; } } done += sz; siz.push_back(sz); while (inside.size()) { move_outside(inside.back()); inside.pop_back(); } } sort(begin(siz), end(siz)); return siz[0]; }
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