Submission #1064807

#	Time	Username	Problem	Language	Result	Execution time	Memory
1064807		thatsgonzalez	Counting Mushrooms (IOI20_mushrooms)	C++14	25 / 100	74 ms	596 KiB

mushrooms

#include "mushrooms.h"

int count_mushrooms(int n) {
	int ans = 1;
	int b = -1;
	for(int i = 1; i<n; i+=2){

		if(i==n-1){
			int res = use_machine({0,i});
			if(!res) ans++;
			return ans; 
		}

		int res = use_machine({0,i,i+1});
		if(res == 2) ans++;
		else if(res == 0) ans+=2;
		else{
			if(use_machine({0,i})){
				b = i+1;
			}
			else{
				ans++; b = i+1;
			}
			break;
		}
	}
	int a = -1;
	for(int i = b+1; i<n and b>=0; i+=2){
		if(i==n-1){
			int res = use_machine({0,i});
			if(!res) ans++;
			return ans;
		}
		int res = use_machine({b,i,i+1});
		if(res == 2) ans++;
		else if(res == 1){
			if(use_machine({b,i})){
				ans+=2; a = i+1;
			}
			else{
				ans++; a = i+1;
			}
			break;
		}
	}

	for(int i = a+1; i<n and a>=0; i+=2){
		if(i==n-1){
			int res = use_machine({0,i});
			if(!res) ans++;
			return ans; 
		}
		int res = use_machine({0,i,a,i+1});
		if(res == 1 || res == 2){
			ans++;
		}
		else if(res == 0) ans+=2;
	}

	return ans;
}

• Subtask 1: 25 / 100