Submission #169218


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#include <iostream>
#include <iomanip>
#include <algorithm>
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n>8)return 0;
	bool flip[n];
	for (bool& i : flip)
		i = true;
	int nums[n];
	for (auto& i : nums)
		cin>>i;
	int cnt = 0,cntperm = 0;
	sort(nums,nums+n);
	do {
		for (bool& i : flip)
			i = true;
		cntperm++;
		for (int i = 0; i < n; i++)
			for (int j = i+1; j < n; j++)
				if(!(nums[j]%nums[i]))
					flip[j] = (flip[j]+1)%2;
		for (bool i : flip)
			if(i)cnt++;
	} while (next_permutation(nums,nums+n));
	double ans = double(cnt)/double(cntperm);
	cout<<fixed<<ans<<endl;
	return 0;
}

Submission Info

Submission Time
Task C - コイン
User C01L
Language C++11 (GCC 4.8.1)
Score 99
Code Size 635 Byte
Status WA
Exec Time 35 ms
Memory 916 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 99 / 99 0 / 1
Status
AC × 3
AC × 20
AC × 20
WA × 20
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 23 ms 796 KB
sample_02.txt AC 21 ms 720 KB
sample_03.txt AC 19 ms 788 KB
subtask1_01.txt AC 19 ms 908 KB
subtask1_02.txt AC 22 ms 796 KB
subtask1_03.txt AC 21 ms 916 KB
subtask1_04.txt AC 32 ms 796 KB
subtask1_05.txt AC 30 ms 788 KB
subtask1_06.txt AC 21 ms 788 KB
subtask1_07.txt AC 31 ms 796 KB
subtask1_08.txt AC 22 ms 916 KB
subtask1_09.txt AC 24 ms 744 KB
subtask1_10.txt AC 30 ms 796 KB
subtask1_11.txt AC 20 ms 792 KB
subtask1_12.txt AC 32 ms 792 KB
subtask1_13.txt AC 21 ms 796 KB
subtask1_14.txt AC 20 ms 788 KB
subtask1_15.txt AC 29 ms 796 KB
subtask1_16.txt AC 33 ms 796 KB
subtask1_17.txt AC 33 ms 792 KB
subtask1_18.txt AC 25 ms 900 KB
subtask1_19.txt AC 35 ms 796 KB
subtask1_20.txt AC 34 ms 792 KB
subtask2_01.txt WA 22 ms 792 KB
subtask2_02.txt WA 20 ms 900 KB
subtask2_03.txt WA 22 ms 788 KB
subtask2_04.txt WA 22 ms 788 KB
subtask2_05.txt WA 21 ms 792 KB
subtask2_06.txt WA 21 ms 716 KB
subtask2_07.txt WA 20 ms 796 KB
subtask2_08.txt WA 21 ms 788 KB
subtask2_09.txt WA 21 ms 796 KB
subtask2_10.txt WA 19 ms 788 KB
subtask2_11.txt WA 19 ms 788 KB
subtask2_12.txt WA 26 ms 792 KB
subtask2_13.txt WA 19 ms 792 KB
subtask2_14.txt WA 22 ms 696 KB
subtask2_15.txt WA 22 ms 796 KB
subtask2_16.txt WA 21 ms 716 KB
subtask2_17.txt WA 22 ms 792 KB
subtask2_18.txt WA 21 ms 788 KB
subtask2_19.txt WA 21 ms 796 KB
subtask2_20.txt WA 20 ms 788 KB