제출 #830956

#제출 시각아이디문제언어결과실행 시간메모리
830956pavement버섯 세기 (IOI20_mushrooms)C++17
10 / 100
178 ms424 KiB
#include "mushrooms.h" #include <bits/stdc++.h> using namespace std; #define pb push_back vector<bool> solve(int l, int r) { if (l == r) { return {0}; } int m = (l + r) / 2; auto lh = solve(l, m), rh = solve(m + 1, r); bool diff = use_machine({m, m + 1}) ^ lh.back() ^ rh[0]; for (auto i : rh) { lh.pb(i ^ diff); } return lh; } int count_mushrooms(int n) { auto seq = solve(0, n - 1); return count(seq.begin(), seq.end(), 0); }
#Verdict Execution timeMemoryGrader output
Fetching results...