Submission #661455

#	Time	Username	Problem	Language	Result	Execution time	Memory
661455		evenvalue	Counting Mushrooms (IOI20_mushrooms)	C++17	10 / 100	204 ms	460 KiB

mushrooms

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

template<typename T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using max_heap = priority_queue<T, vector<T>, less<T>>;

using int64 = long long;
using ld = long double;

constexpr int kInf = 1e9 + 10;
constexpr int64 kInf64 = 1e15 + 10;
constexpr int kMod = 1e9 + 7;

int count_mushrooms(int n) {
  vector<int> val(n);
  for (int i = 1; i < n; i++) {
    val[i] = (use_machine({i - 1, i}) == 1 ? 1 - val[i - 1] : val[i - 1]);
  }
  return count(val.begin(), val.end(), 0);
}

• Subtask 1: 10 / 100