Submission #204609


Source Code Expand

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#include <cstdio>
#include <vector>
using namespace std;
#define rep(i,n) for(int i = 0; i < n; i++)
int n;
double ans = 0.0;
int main(){
	scanf("%d", &n);
	vector<int> c(n);
	rep(i,n) scanf("%d", &c[i]);
	rep(i,n){
		int tmp = 0;
		rep(j,n) if(c[i]%c[j]==0) tmp++;
		if(tmp%2==0) ans += 0.5;
		else ans += (double)(tmp+1)/(double)(2*tmp);
	}
	printf("%.9f\n",ans);
}

Submission Info

Submission Time
Task C - コイン
User gasin
Language C++ (G++ 4.6.4)
Score 100
Code Size 384 Byte
Status AC
Exec Time 44 ms
Memory 928 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:10:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

Judge Result

Set Name Sample Subtask1 Subtask2
Score / Max Score 0 / 0 99 / 99 1 / 1
Status
AC × 3
AC × 20
AC × 40
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 21 ms 736 KB
sample_02.txt AC 21 ms 924 KB
sample_03.txt AC 21 ms 676 KB
subtask1_01.txt AC 44 ms 704 KB
subtask1_02.txt AC 20 ms 800 KB
subtask1_03.txt AC 21 ms 804 KB
subtask1_04.txt AC 21 ms 924 KB
subtask1_05.txt AC 22 ms 796 KB
subtask1_06.txt AC 21 ms 924 KB
subtask1_07.txt AC 21 ms 784 KB
subtask1_08.txt AC 21 ms 924 KB
subtask1_09.txt AC 20 ms 800 KB
subtask1_10.txt AC 22 ms 924 KB
subtask1_11.txt AC 21 ms 800 KB
subtask1_12.txt AC 21 ms 736 KB
subtask1_13.txt AC 21 ms 704 KB
subtask1_14.txt AC 21 ms 796 KB
subtask1_15.txt AC 29 ms 672 KB
subtask1_16.txt AC 21 ms 920 KB
subtask1_17.txt AC 21 ms 800 KB
subtask1_18.txt AC 22 ms 796 KB
subtask1_19.txt AC 21 ms 728 KB
subtask1_20.txt AC 21 ms 928 KB
subtask2_01.txt AC 21 ms 808 KB
subtask2_02.txt AC 21 ms 924 KB
subtask2_03.txt AC 21 ms 752 KB
subtask2_04.txt AC 21 ms 796 KB
subtask2_05.txt AC 21 ms 800 KB
subtask2_06.txt AC 20 ms 920 KB
subtask2_07.txt AC 21 ms 924 KB
subtask2_08.txt AC 21 ms 800 KB
subtask2_09.txt AC 22 ms 800 KB
subtask2_10.txt AC 22 ms 796 KB
subtask2_11.txt AC 22 ms 736 KB
subtask2_12.txt AC 22 ms 800 KB
subtask2_13.txt AC 25 ms 780 KB
subtask2_14.txt AC 32 ms 676 KB
subtask2_15.txt AC 40 ms 796 KB
subtask2_16.txt AC 22 ms 752 KB
subtask2_17.txt AC 20 ms 800 KB
subtask2_18.txt AC 21 ms 676 KB
subtask2_19.txt AC 21 ms 800 KB
subtask2_20.txt AC 20 ms 804 KB