Submission #562972

#	Time	Username	Problem	Language	Result	Execution time	Memory
562972		perchuts	Counting Mushrooms (IOI20_mushrooms)	C++17	25 / 100	119 ms	256 KiB

mushrooms

#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define sz(x) (int) x.size()
#define endl '\n'
#define pb push_back
#define _ ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#include "mushrooms.h"
using namespace std;

using ll = long long;
using ull = unsigned long long;
using ii = pair<int,int>;
using iii = tuple<int,int,int>;

const int inf = 2e9+1;
const int mod = 1e9+7;
const int maxn = 1e5+100;

template<typename X, typename Y> bool ckmin(X& x, const Y& y) { return (y < x) ? (x=y,1):0; }
template<typename X, typename Y> bool ckmax(X& x, const Y& y) { return (x < y) ? (x=y,1):0; }

int count_mushrooms(int n){
    vector<int>m;
    int res = 1;
    for(int i=1;i<n;i+=2){
        if(i==n-1){
            m = {0,n-1};
            res += use_machine(m)==0;
        }else{
            m = {i,0,i+1};
            int q = use_machine(m);
            if(q==0)res += 2;
            else if(q==1)res++;
        }
    }
    return res;
}

• Subtask 1: 25 / 100