Submission #4065468
Source Code Expand
#include<cstdio> #include<cmath> #include<algorithm> using namespace std; int main(){ double x[3],y[3],z[3],l,s,S,r,left,right,mid; for(int i=0;i<3;i++){ scanf("%lf %lf",&x[i],&y[i]); } for(int i=0;i<3;i++){ z[i]=(x[i]-x[(i+1)%3])*(x[i]-x[(i+1)%3])+(y[i]-y[(i+1)%3])*(y[i]-y[(i+1)%3]); z[i]=sqrt(z[i]); } s=(z[0]+z[1]+z[2])/2; S=sqrt(s*(s-z[0])*(s-z[1])*(s-z[2])); r=S/s; l=max(z[0],z[1]); l=max(l,z[2]); left=0; right=r; while(right-left>0.000000000001){ mid=(left+right)/2; if((1-mid/r)*l<2*mid){ right=mid; } else{ left=mid; } } printf("%.12f\n",left); }
Submission Info
Submission Time | |
---|---|
Task | B - Inscribed Bicycle |
User | AC961009 |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 735 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 128 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:8:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf",&x[i],&y[i]); ^
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 | 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 | 1 ms | 128 KB |
012.txt | AC | 1 ms | 128 KB |
013.txt | AC | 1 ms | 128 KB |
014.txt | AC | 1 ms | 128 KB |
015.txt | AC | 1 ms | 128 KB |
example0.txt | AC | 1 ms | 128 KB |
example1.txt | AC | 1 ms | 128 KB |