Submission #315231

#	Time	Username	Problem	Language	Result	Execution time	Memory
315231		thtsshz_bgwrswh	Mouse (info1cup19_mouse)	C++17	35.33 / 100	3074 ms	288 KiB

mouse

#pragma GCC optimize("Ofast")
#include "grader.h"
#include<stdio.h>
#include<algorithm>
#include<assert.h>
using namespace std;
int num[500];
bool check[500],wrong[500];
void solve(int n){
	int i,j;
	for(i=0;i<n;i++)
		wrong[i]=check[i]=0;
	vector<int> vec(n);
	for(i=0;i<n;i++)
		vec[i]=i+1;
	random_shuffle(vec.begin(),vec.end());
	int now=query(vec);
	if(now==n)
		return;
	while(1){
		for(i=0;i<n;i++){
			for(j=i+1;j<n;j++){
				if(check[i]||check[j])
					continue;
				swap(vec[i],vec[j]);
				int v=query(vec);
				if(v==n)
					return;
				if(v==now+2){
					now+=2;
					check[i]=check[j]=1;
					break;
				}
				else if(v==now+1)
					now++;	
				else
					swap(vec[i],vec[j]);
			}
		}
	}
}

• Subtask 1: 13 / 13
• Subtask 2: 22.333322 / 38
• Subtask 3: 0 / 49