Submission #1000758
Source Code Expand
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)(n);i++) #define rep1(i,n) for(int i=1;i<=(int)(n);i++) #define all(c) c.begin(),c.end() #define pb push_back #define fs first #define sc second #define show(x) cout << #x << " = " << x << endl #define chmin(x,y) x=min(x,y) #define chmax(x,y) x=max(x,y) using namespace std; template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){return o<<"("<<p.fs<<","<<p.sc<<")";} template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){o<<"sz = "<<vc.size()<<endl<<"[";for(const T& v:vc) o<<v<<",";o<<"]";return o;} double x[3],y[3]; double L[3],t[3]; int main(){ rep(i,3) cin>>x[i]>>y[i]; rep(i,3) L[i]=sqrt((x[i]-x[(i+1)%3])*(x[i]-x[(i+1)%3])+(y[i]-y[(i+1)%3])*(y[i]-y[(i+1)%3])); rep(i,3) t[i]=acos((L[i]*L[i]+L[(i+2)%3]*L[(i+2)%3]-L[(i+1)%3]*L[(i+1)%3])/(2*L[i]*L[(i+2)%3])); double ans=0; rep(i,3){ double r=L[i]/(2+1.0/tan(t[i]/2)+1.0/tan(t[(i+1)%3]/2)); chmax(ans,r); } printf("%.12f\n",ans); }
Submission Info
Submission Time | |
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Task | B - Inscribed Bicycle |
User | sigma425 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1024 Byte |
Status | AC |
Exec Time | 2 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 | 2 ms | 384 KB |
001.txt | AC | 2 ms | 256 KB |
002.txt | AC | 2 ms | 256 KB |
003.txt | AC | 2 ms | 256 KB |
004.txt | AC | 2 ms | 256 KB |
005.txt | AC | 2 ms | 256 KB |
006.txt | AC | 2 ms | 256 KB |
007.txt | AC | 2 ms | 256 KB |
008.txt | AC | 2 ms | 256 KB |
009.txt | AC | 2 ms | 256 KB |
010.txt | AC | 2 ms | 256 KB |
011.txt | AC | 2 ms | 256 KB |
012.txt | AC | 2 ms | 256 KB |
013.txt | AC | 2 ms | 256 KB |
014.txt | AC | 2 ms | 256 KB |
015.txt | AC | 2 ms | 256 KB |
example0.txt | AC | 2 ms | 256 KB |
example1.txt | AC | 2 ms | 256 KB |