oj.uz

Submission #305790

# Submission time Handle Problem Language Result Execution time Memory
305790 2020-09-24T01:21:57 Z myungwoo Counting Mushrooms (IOI20_mushrooms) C++17
0 / 100
 1 ms 256 KB 
#include <bits/stdc++.h>
#include "mushrooms.h"
using namespace std;

int count_mushrooms(int n)
{
	vector <int> arr[2];
	arr[0] = {0};
	for (int i=1;i<n;i++){
		if (i+1 < n && arr[0].size() > 1){
			int res = use_machine({arr[0][0], i, arr[0][1], i+1});
			arr[(res&2)>>1^1].push_back(i);
			arr[res&1^1].push_back(i);
		}else if (i+1 < n && arr[1].size() > 1){
			int res = use_machine({arr[1][0], i, arr[1][1], i+1});
			arr[(res&2)>>1].push_back(i);
			arr[res&1].push_back(i);
		}
		else arr[use_machine({0, i})].push_back(i);
	}
	return arr[0].size();
}

Compilation message

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:13:11: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   13 |    arr[res&1^1].push_back(i);
      |        ~~~^~

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Answer is not correct.
4 Halted 0 ms 0 KB -