Submission #724444


Source Code Expand

#include<iostream>
#include<string>
#include<cstdio>

using namespace std;

int n,total = 0;
int num[105][2] ={};
int tmp[105][2] ={};
int check[105] = {};

int func(){

	total++;
	int cnt = 0;
	for(int i =0;i<n;i++){
		for(int j =i+1;j<n;j++){
			if(tmp[j][0]%tmp[i][0] == 0){
				tmp[j][1] ^= 1;
			
			}
		}
	}

	for(int i =0;i<n;i++){
		if(tmp[i][1] == 0)cnt++;
		tmp[i][1] = 0;

	//	cout << tmp[i][0] << " " ;
	}
	//cout << endl;
	
	//cout << cnt << endl;
	return cnt;
}


int kai(int r){

	int cnt = 0;

	for(int i =0; i < n;i++){
		if(check[i] == 0){
			tmp[r][0] = num[i][0];
			tmp[r][1] = 0;
			check[i] = 1;
			
			if(r == n-1)cnt += func();
			else cnt += kai(r +1);
			check[i] = 0;
		}
	}
	return cnt;
}

int main(){

	cin >> n;

	for(int i =0;i<n;i++)cin >> num[i][0];

	int cnt =0;

	cnt += kai(0);

	printf("%.10f\n",(double)cnt/total);
	return 0;
}

Submission Info

Submission Time
Task C - コイン
User hirata0517masato
Language C++ (G++ 4.6.4)
Score 99
Code Size 933 Byte
Status TLE
Exec Time 2039 ms
Memory 928 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 99 / 99 0 / 1
Status
AC × 3
AC × 20
AC × 21
TLE × 19
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
Subtask1 subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt
Subtask2 subtask1_01.txt, subtask1_02.txt, subtask1_03.txt, subtask1_04.txt, subtask1_05.txt, subtask1_06.txt, subtask1_07.txt, subtask1_08.txt, subtask1_09.txt, subtask1_10.txt, subtask1_11.txt, subtask1_12.txt, subtask1_13.txt, subtask1_14.txt, subtask1_15.txt, subtask1_16.txt, subtask1_17.txt, subtask1_18.txt, subtask1_19.txt, subtask1_20.txt, subtask2_01.txt, subtask2_02.txt, subtask2_03.txt, subtask2_04.txt, subtask2_05.txt, subtask2_06.txt, subtask2_07.txt, subtask2_08.txt, subtask2_09.txt, subtask2_10.txt, subtask2_11.txt, subtask2_12.txt, subtask2_13.txt, subtask2_14.txt, subtask2_15.txt, subtask2_16.txt, subtask2_17.txt, subtask2_18.txt, subtask2_19.txt, subtask2_20.txt
Case Name Status Exec Time Memory
sample_01.txt AC 25 ms 792 KB
sample_02.txt AC 25 ms 792 KB
sample_03.txt AC 24 ms 800 KB
subtask1_01.txt AC 23 ms 924 KB
subtask1_02.txt AC 23 ms 924 KB
subtask1_03.txt AC 25 ms 924 KB
subtask1_04.txt AC 38 ms 800 KB
subtask1_05.txt AC 37 ms 796 KB
subtask1_06.txt AC 27 ms 716 KB
subtask1_07.txt AC 35 ms 800 KB
subtask1_08.txt AC 25 ms 672 KB
subtask1_09.txt AC 25 ms 924 KB
subtask1_10.txt AC 38 ms 672 KB
subtask1_11.txt AC 27 ms 760 KB
subtask1_12.txt AC 34 ms 672 KB
subtask1_13.txt AC 26 ms 672 KB
subtask1_14.txt AC 26 ms 796 KB
subtask1_15.txt AC 41 ms 796 KB
subtask1_16.txt AC 34 ms 804 KB
subtask1_17.txt AC 41 ms 796 KB
subtask1_18.txt AC 38 ms 796 KB
subtask1_19.txt AC 38 ms 796 KB
subtask1_20.txt AC 38 ms 668 KB
subtask2_01.txt AC 1551 ms 792 KB
subtask2_02.txt TLE 2033 ms 800 KB
subtask2_03.txt TLE 2039 ms 792 KB
subtask2_04.txt TLE 2034 ms 812 KB
subtask2_05.txt TLE 2033 ms 796 KB
subtask2_06.txt TLE 2033 ms 796 KB
subtask2_07.txt TLE 2034 ms 864 KB
subtask2_08.txt TLE 2033 ms 808 KB
subtask2_09.txt TLE 2033 ms 928 KB
subtask2_10.txt TLE 2034 ms 804 KB
subtask2_11.txt TLE 2033 ms 796 KB
subtask2_12.txt TLE 2033 ms 800 KB
subtask2_13.txt TLE 2033 ms 800 KB
subtask2_14.txt TLE 2032 ms 804 KB
subtask2_15.txt TLE 2034 ms 800 KB
subtask2_16.txt TLE 2033 ms 796 KB
subtask2_17.txt TLE 2034 ms 796 KB
subtask2_18.txt TLE 2033 ms 800 KB
subtask2_19.txt TLE 2033 ms 804 KB
subtask2_20.txt TLE 2033 ms 800 KB