Submission #1385673


Source Code Expand

#include<iostream>
#include<iomanip>
using namespace std;
double calc(int n,double sum)
{
	double ans=sum/(2*n);
	if(n==1)
		return ans;
	return ans+calc(n-1,sum-sum/(n*n));
}
int main()
{
	int n;
	long long d,x;
	cin>>n>>d>>x;
	double sum=(d+d+(2*n-1)*x)*n;
	cout<<fixed<<setprecision(15)<<calc(n,sum)<<endl;
	return 0;
}

Submission Info

Submission Time
Task C - Pushing Balls
User vjudge1
Language C++14 (GCC 5.4.1)
Score 0
Code Size 322 Byte
Status WA
Exec Time 6 ms
Memory 6528 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1000
Status
AC × 3
AC × 15
WA × 20
Set Name Test Cases
Sample example0.txt, example1.txt, example2.txt
All 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, 012.txt, 013.txt, 014.txt, 015.txt, 016.txt, 017.txt, 018.txt, 019.txt, 020.txt, 021.txt, 022.txt, 023.txt, 024.txt, 025.txt, 026.txt, 027.txt, 028.txt, 029.txt, 030.txt, 031.txt, example0.txt, example1.txt, example2.txt
Case Name Status Exec Time Memory
000.txt AC 1 ms 256 KB
001.txt AC 1 ms 256 KB
002.txt AC 1 ms 256 KB
003.txt AC 1 ms 256 KB
004.txt AC 1 ms 256 KB
005.txt AC 1 ms 256 KB
006.txt AC 1 ms 256 KB
007.txt AC 1 ms 256 KB
008.txt AC 1 ms 256 KB
009.txt AC 1 ms 256 KB
010.txt AC 2 ms 1024 KB
011.txt WA 5 ms 5376 KB
012.txt WA 3 ms 3072 KB
013.txt WA 4 ms 3712 KB
014.txt WA 3 ms 2688 KB
015.txt WA 5 ms 5888 KB
016.txt WA 5 ms 5504 KB
017.txt WA 3 ms 2560 KB
018.txt WA 5 ms 5760 KB
019.txt AC 2 ms 1408 KB
020.txt WA 6 ms 6528 KB
021.txt WA 6 ms 6528 KB
022.txt WA 6 ms 6528 KB
023.txt WA 6 ms 6528 KB
024.txt WA 6 ms 6528 KB
025.txt WA 6 ms 6528 KB
026.txt WA 6 ms 6528 KB
027.txt WA 6 ms 6528 KB
028.txt WA 6 ms 6528 KB
029.txt WA 6 ms 6528 KB
030.txt WA 6 ms 6528 KB
031.txt WA 6 ms 6528 KB
example0.txt AC 1 ms 256 KB
example1.txt AC 1 ms 256 KB
example2.txt AC 1 ms 256 KB