Submission #601972

#	Time	Username	Problem	Language	Result	Execution time	Memory
601972		FatihSolak	Counting Mushrooms (IOI20_mushrooms)	C++17	0 / 100	165 ms	460 KiB

mushrooms

#include "mushrooms.h"
#include <bits/stdc++.h>
#define N 20000
using namespace std;

int count_mushrooms(int n){
	vector<int> a,b;
	a.push_back(0);
	int point  = 1;
	int cur = 0;
	while( (n-point + max(a.size(),b.size()) - 1) / max(a.size(),b.size()) + cur > 396 ){
		if(use_machine({0,point})){
			b.push_back(point);
		}
		else a.push_back(point);
		point++;
		cur++;
	}
	int ret = 0;
	int asz = a.size();
	int bsz = b.size();
	if(asz > bsz){
		for(int i = point;i<n;i+=asz){
			vector<int> nums;
			int cnt = 0;
			for(int j = i;j<min(n,i + asz);j++){
				nums.push_back(a[cnt++]);
				nums.push_back(j);
			}
			int sz = nums.size()/2;
			ret += sz - (use_machine(nums) + 1)/2;
		}
	}
	else{
		for(int i = point;i<n;i+=bsz){
			vector<int> nums;
			int cnt = 0;
			for(int j = i;j<min(n,i + bsz);j++){
				nums.push_back(b[cnt++]);
				nums.push_back(j);
			}
			int sz = nums.size()/2;
			ret += (use_machine(nums) + 1)/2;
		}
	}

	return ret + asz;
}

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:42:8: warning: unused variable 'sz' [-Wunused-variable]
   42 |    int sz = nums.size()/2;
      |        ^~

• Subtask 1: 0 / 100