Submission #169502


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/*
 * Title:C - コイン
 * abc008c.cpp
 *  Created on: 2014/05/10
 *      Author: kyave
 */

#include <iostream>
#include <stdio.h>
#include <sstream>
#include <string>
#include <cmath>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>

using namespace std;

inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}

typedef long long ll;
#define FOR(i,a,b) for(int i=a;i<b;i++)
#define REP(i,n) FOR(i,0,n)
#define pb push_back
#define fs first
#define se second
#define mp make_pair
#define INF 1 << 29

int main(){
	int n;
	cin >> n;

	vector<int> c;
	REP(i,n){
		int t;
		cin >> t; c.pb(t);
	}

	ll sum = 0;
	ll count = 0;
	    do {
	    	count++;
	        int coin[100];
	        fill(coin,coin+100,1);
	        REP(i,n) {
	        	int pos = c[i];
	        	FOR(j,i+1,n) {
	        		if(c[j] >= pos && c[j]%pos == 0 )
	        			coin[j]*=-1;
	        	}
	        }
	        REP(i,n) {
	        	if(coin[i]==1) sum+=1;
	        }
	    }
	    while( next_permutation(c.begin(), c.end()));

	    printf("%12f\n",(double)sum/count);


 	return 0;
}

Submission Info

Submission Time
Task C - コイン
User Nokotan
Language C++ (G++ 4.6.4)
Score 0
Code Size 1284 Byte
Status WA
Exec Time 2035 ms
Memory 928 KB

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 0 / 99 0 / 1
Status
AC × 2
WA × 1
AC × 10
WA × 10
AC × 12
WA × 10
TLE × 18
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 20 ms 916 KB
sample_02.txt AC 21 ms 800 KB
sample_03.txt WA 21 ms 808 KB
subtask1_01.txt AC 20 ms 924 KB
subtask1_02.txt AC 22 ms 804 KB
subtask1_03.txt WA 22 ms 928 KB
subtask1_04.txt AC 35 ms 800 KB
subtask1_05.txt WA 32 ms 800 KB
subtask1_06.txt AC 21 ms 800 KB
subtask1_07.txt AC 33 ms 796 KB
subtask1_08.txt WA 20 ms 800 KB
subtask1_09.txt WA 20 ms 924 KB
subtask1_10.txt AC 34 ms 924 KB
subtask1_11.txt WA 21 ms 924 KB
subtask1_12.txt AC 33 ms 920 KB
subtask1_13.txt AC 22 ms 920 KB
subtask1_14.txt AC 22 ms 788 KB
subtask1_15.txt WA 24 ms 796 KB
subtask1_16.txt AC 22 ms 920 KB
subtask1_17.txt WA 23 ms 928 KB
subtask1_18.txt WA 21 ms 800 KB
subtask1_19.txt WA 28 ms 796 KB
subtask1_20.txt WA 30 ms 924 KB
subtask2_01.txt AC 1608 ms 796 KB
subtask2_02.txt AC 20 ms 924 KB
subtask2_03.txt TLE 2035 ms 788 KB
subtask2_04.txt TLE 2029 ms 812 KB
subtask2_05.txt TLE 2028 ms 808 KB
subtask2_06.txt TLE 2028 ms 884 KB
subtask2_07.txt TLE 2033 ms 812 KB
subtask2_08.txt TLE 2028 ms 884 KB
subtask2_09.txt TLE 2028 ms 924 KB
subtask2_10.txt TLE 2029 ms 796 KB
subtask2_11.txt TLE 2028 ms 884 KB
subtask2_12.txt TLE 2028 ms 928 KB
subtask2_13.txt TLE 2029 ms 872 KB
subtask2_14.txt TLE 2029 ms 800 KB
subtask2_15.txt TLE 2029 ms 804 KB
subtask2_16.txt TLE 2028 ms 800 KB
subtask2_17.txt TLE 2029 ms 800 KB
subtask2_18.txt TLE 2029 ms 928 KB
subtask2_19.txt TLE 2029 ms 884 KB
subtask2_20.txt TLE 2029 ms 812 KB