제출 #346103

#제출 시각아이디문제언어결과실행 시간메모리
346103lLab_버섯 세기 (IOI20_mushrooms)C++14
0 / 100
1 ms364 KiB
#include "mushrooms.h" #include <bits/stdc++.h> using namespace std; vector<int> A = {0}; int count_mushrooms(int n) { int sum = 1; int p = 0; for(int i=1;i<n&&sum>=3&&(n-i)%3 == 0;i++){ int d = use_machine({0,i}); if(d == 0){ A.push_back(i); sum++; } p = i; } for(int i=p+1;i<n;i+=3){ int d = use_machine({A[0],i,A[1],i+1,A[2],i+2}); sum += A.size()-(d+1)/2; } return sum; }
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