제출 #306618

#제출 시각아이디문제언어결과실행 시간메모리
306618daniel920712버섯 세기 (IOI20_mushrooms)C++14
0 / 100
13 ms392 KiB
#include "mushrooms.h" #include <vector> #include <math.h> using namespace std; vector < int > A,B; vector < int > temp; int count_mushrooms(int N) { int k=floor(sqrt(2*N)),ans=0,x=0,y=0,i,now; for(i=1;i<=k;i++) { temp.clear(); temp.push_back(0); temp.push_back(i); if(use_machine(temp)) { x++; B.push_back(i); } else { y++; A.push_back(i); } } if(x>=y) { now=k+1; while(now<N) { temp.clear(); for(auto i:B) { temp.push_back(i); if(now<N) { temp.push_back(now); now++; } } if(temp.size()>=2) ans+=(use_machine(temp)+1)/2; } } else { now=k+1; while(now<N) { temp.clear(); for(auto i:A) { temp.push_back(i); if(now<N) { temp.push_back(now); now++; } } if(temp.size()>=2) ans+=(temp.size()-y-(use_machine(temp)+1)/2); } } ans+=y; return ans+1; }
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