Submission #7958580
Source Code Expand
#include<bits/stdc++.h> typedef long long ll; ll gi(){ ll x=0,f=1; char ch=getchar(); while(!isdigit(ch))f^=ch=='-',ch=getchar(); while(isdigit(ch))x=x*10+ch-'0',ch=getchar(); return f?x:-x; } int main(){ #ifdef XZZSB freopen("in.in","r",stdin); freopen("out.out","w",stdout); #endif int n=gi(); long double s=gi(),d=gi(),ans=0; for(int i=n;i;--i){ ans+=s+(2*i-1)*d/2; s+=(5*d+2*s)/(2*i); d+=2*d/i; } printf("%.10Lf\n",ans); return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Pushing Balls |
User | test12345 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 456 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 256 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 | 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 | 256 KB |
011.txt | AC | 3 ms | 256 KB |
012.txt | AC | 2 ms | 256 KB |
013.txt | AC | 3 ms | 256 KB |
014.txt | AC | 2 ms | 256 KB |
015.txt | AC | 3 ms | 256 KB |
016.txt | AC | 3 ms | 256 KB |
017.txt | AC | 2 ms | 256 KB |
018.txt | AC | 3 ms | 256 KB |
019.txt | AC | 2 ms | 256 KB |
020.txt | AC | 4 ms | 256 KB |
021.txt | AC | 4 ms | 256 KB |
022.txt | AC | 4 ms | 256 KB |
023.txt | AC | 3 ms | 256 KB |
024.txt | AC | 4 ms | 256 KB |
025.txt | AC | 3 ms | 256 KB |
026.txt | AC | 3 ms | 256 KB |
027.txt | AC | 4 ms | 256 KB |
028.txt | AC | 4 ms | 256 KB |
029.txt | AC | 4 ms | 256 KB |
030.txt | AC | 3 ms | 256 KB |
031.txt | AC | 4 ms | 256 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |
example2.txt | AC | 1 ms | 256 KB |