Submission #3223915
Source Code Expand
#include<cstdio> #include<algorithm> #define fo(i,a,b) for(i=a;i<=b;i++) using namespace std; typedef double db; db a,p,ans; int i,j,k,l,t,n,m; int main(){ scanf("%d%lf%lf",&n,&a,&p); a-=p; t=2*n; l=n; fo(i,1,n){ ans+=(db)(a*t+p*t*(t+1)/2)/t; a=a+a/l+3*p/(2*l); p=p+2*p/l; l--; t-=2; } printf("%.15lf\n",ans); }
Submission Info
Submission Time | |
---|---|
Task | C - Pushing Balls |
User | qaz131072 |
Language | C++14 (GCC 5.4.1) |
Score | 1000 |
Code Size | 399 Byte |
Status | AC |
Exec Time | 4 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:9:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%lf%lf",&n,&a,&p); ^
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 | 128 KB |
001.txt | AC | 1 ms | 128 KB |
002.txt | AC | 1 ms | 128 KB |
003.txt | AC | 1 ms | 128 KB |
004.txt | AC | 1 ms | 128 KB |
005.txt | AC | 1 ms | 128 KB |
006.txt | AC | 1 ms | 128 KB |
007.txt | AC | 1 ms | 128 KB |
008.txt | AC | 1 ms | 128 KB |
009.txt | AC | 1 ms | 128 KB |
010.txt | AC | 1 ms | 128 KB |
011.txt | AC | 4 ms | 128 KB |
012.txt | AC | 2 ms | 128 KB |
013.txt | AC | 3 ms | 128 KB |
014.txt | AC | 2 ms | 128 KB |
015.txt | AC | 4 ms | 128 KB |
016.txt | AC | 4 ms | 128 KB |
017.txt | AC | 2 ms | 128 KB |
018.txt | AC | 4 ms | 128 KB |
019.txt | AC | 1 ms | 128 KB |
020.txt | AC | 4 ms | 128 KB |
021.txt | AC | 4 ms | 128 KB |
022.txt | AC | 4 ms | 128 KB |
023.txt | AC | 4 ms | 128 KB |
024.txt | AC | 4 ms | 128 KB |
025.txt | AC | 4 ms | 128 KB |
026.txt | AC | 4 ms | 128 KB |
027.txt | AC | 4 ms | 128 KB |
028.txt | AC | 4 ms | 128 KB |
029.txt | AC | 4 ms | 128 KB |
030.txt | AC | 3 ms | 128 KB |
031.txt | AC | 4 ms | 128 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |
example2.txt | AC | 1 ms | 128 KB |