Submission #4027501
Source Code Expand
#include<bits/stdc++.h> using namespace std; double len(double x,double xx,double y,double yy){ return pow((x-xx)*(x-xx)+(y-yy)*(y-yy),0.5); } int main(){ double x[3],y[3]; for(int i=0;i<3;i++){ cin>>x[i]>>y[i]; } double ans=0; double co[3],si[3]; for(int i=0;i<3;i++){ double a=len(x[i],x[(i+1)%3],y[i],y[(i+1)%3]); double b=len(x[i],x[(i+2)%3],y[i],y[(i+2)%3]); double c=len(x[(i+2)%3],x[(i+1)%3],y[(i+2)%3],y[(i+1)%3]); co[i]=(a*a+b*b-c*c)/(2*a*b); si[i]=pow(1-co[i]*co[i],0.5); } for(int i=0;i<3;i++){ double a=len(x[i],x[(i+1)%3],y[i],y[(i+1)%3]); double r=a/(2+(1+co[i])/si[i]+(1+co[(i+1)%3])/si[(i+1)%3]); ans=max(r,ans); } cout<<fixed<<setprecision(10)<<ans<<endl; }
Submission Info
Submission Time | |
---|---|
Task | B - Inscribed Bicycle |
User | ttttan |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 763 Byte |
Status | AC |
Exec Time | 3 ms |
Memory | 384 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 500 / 500 | ||||
Status |
|
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Set Name | Test Cases |
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Sample | example0.txt, example1.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, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | AC | 3 ms | 384 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 | 384 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 | 1 ms | 256 KB |
011.txt | AC | 1 ms | 256 KB |
012.txt | AC | 1 ms | 256 KB |
013.txt | AC | 1 ms | 256 KB |
014.txt | AC | 1 ms | 256 KB |
015.txt | AC | 1 ms | 256 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |