제출 #830967

#제출 시각아이디문제언어결과실행 시간메모리
830967pavement버섯 세기 (IOI20_mushrooms)C++17
0 / 100
0 ms208 KiB
#include "mushrooms.h" #include <bits/stdc++.h> using namespace std; #define pb push_back int solve(vector<int> v) { assert(!v.empty()); v.pb(0); int q = use_machine(v); v.pop_back(); if (q == 0) { return v.size(); } else if (q == (int)v.size()) { return ((int)v.size() + 1) / 2 - 1; } vector<int> lh, rh; for (int i = 0; i < (int)v.size(); i++) { if (i < (int)v.size() / 2) { lh.pb(v[i]); } else { rh.pb(v[i]); } } return solve(lh) + solve(rh); } int count_mushrooms(int n) { vector<int> v(n - 1); iota(v.begin(), v.end(), 1); return 1 + solve(v); }
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