Submission #1386951
Source Code Expand
#include<iomanip> #include<algorithm> #include<cstring> #include<iostream> #include<cstdio> #include<cstdlib> using namespace std; int N; double D,X; inline int gi() { char ch; int ret = 0,f = 1; do ch = getchar(); while (!(ch >= '0'&&ch <= '9')&&ch != '-'); if (ch == '-') f = -1,ch = getchar(); do ret = ret*10+ch-'0',ch = getchar(); while (ch >= '0'&&ch <= '9'); return ret*f; } inline double calc(int n,double d,double x) { if (n == 0) return 0; else return calc(n-1,(2*d+2*n*d+5*x)/(2*n),(2*x)/n+x)+d+(2*n-1)*x/2; } int main() { //freopen("F.in","r",stdin); //freopen("F.out","w",stdout); N = gi(); D = gi(); X = gi(); cout << fixed << setprecision(10) << calc(N,D,X) << endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Pushing Balls |
User | vjudge1 |
Language | C++14 (Clang 3.8.0) |
Score | 1000 |
Code Size | 710 Byte |
Status | AC |
Exec Time | 6 ms |
Memory | 6528 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1000 / 1000 | ||||
Status |
|
|
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 | 6 ms | 888 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 | AC | 5 ms | 5376 KB |
012.txt | AC | 4 ms | 3072 KB |
013.txt | AC | 4 ms | 3712 KB |
014.txt | AC | 3 ms | 2688 KB |
015.txt | AC | 6 ms | 5888 KB |
016.txt | AC | 6 ms | 5504 KB |
017.txt | AC | 3 ms | 2560 KB |
018.txt | AC | 6 ms | 5760 KB |
019.txt | AC | 2 ms | 1408 KB |
020.txt | AC | 6 ms | 6528 KB |
021.txt | AC | 6 ms | 6528 KB |
022.txt | AC | 6 ms | 6528 KB |
023.txt | AC | 6 ms | 6528 KB |
024.txt | AC | 6 ms | 6528 KB |
025.txt | AC | 6 ms | 6528 KB |
026.txt | AC | 6 ms | 6528 KB |
027.txt | AC | 6 ms | 6528 KB |
028.txt | AC | 6 ms | 6528 KB |
029.txt | AC | 6 ms | 6528 KB |
030.txt | AC | 6 ms | 6528 KB |
031.txt | AC | 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 |