Submission #772324

#	Time	Username	Problem	Language	Result	Execution time	Memory
772324		ono_de206	버섯 세기 (IOI20_mushrooms)	C++14	0 / 100	1 ms	208 KiB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>
using namespace std;

#define in insert
#define all(x) x.begin(),x.end()
#define pb push_back
#define eb emplace_back
#define ff first
#define ss second

// #define int long long
 
typedef long long ll;
typedef vector<int> vi;
typedef set<int> si;
typedef multiset<int> msi;
typedef pair<int, int> pii;
typedef vector<pii> vpii;

int count_mushrooms(int n) {
	int ret = 0;
	for(int i = 2; i <= n; i += 2) {
		vector<int> ask;
		ask.pb(i);
		ask.pb(1);
		if(i + 1 <= n) ask.pb(i + 1);
		ret += use_machine(ask);
	}
	return n - ret;
}

• Subtask 1: 0 / 100