Submission #1000850
Source Code Expand
/* *************************************** Author :Scau.ion Created Time :2016/11/28 11:46:06 UTC+8 File Name :ion.cpp *************************************** */ #include <bits/stdc++.h> #define LL long long #define ULL unsigned long long #define PB push_back #define MP make_pair #define PII pair<int,int> #define VI vector<int> #define VPII vector<PII> #define X first #define Y second #define IOS ios::sync_with_stdio(0);cin.tie(0); #define IN freopen("in", "r", stdin); #define OUT freopen("out", "w", stdout); using namespace std; int main() { double x[3],y[3],len[3]; for (int j=0;j<3;++j) cin>>x[j]>>y[j]; for (int j=0;j<3;++j) { double xx=x[j]-x[(j+1)%3]; double yy=y[j]-y[(j+1)%3]; len[j]=sqrt(xx*xx+yy*yy); } double rad[3]; for (int j=0;j<3;++j) { double a=len[j],b=len[(j+1)%3],c=len[(j+2)%3]; rad[j]=acos((b*b+c*c-a*a)/(2*b*c)); rad[j]/=2; } double ma=0; for (int j=0;j<3;++j) { double a=tan(rad[(j+1)%3]),b=tan(rad[(j+2)%3]); double xi=(len[j]*a*b)/(a+b+a*b*2); ma=max(ma,xi); } printf("%.12lf\n",ma); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Inscribed Bicycle |
User | ion |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1234 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 |