Submission #2150963
Source Code Expand
#include <bits/stdc++.h> using namespace std; using P = complex<double>; namespace std { bool operator < (const P& a, const P& b) { return real(a) != real(b) ? real(a) < real(b) : imag(a) < imag(b); } } const double EPS { 1e-9 }; auto m = [](int x) { return x % 3; }; double cross(const P& a, const P& b) { return imag(conj(a) * b); } double area2(const vector<P> p) { P a { p[1] - p[0] }; P b { p[2] - p[0] }; return abs(real(a) * imag(b) - imag(a) * real(b)); } int main() { vector<P> p(3); for (int i = 0; i < 3; i++) { double x, y; cin >> x >> y; p[i] = { x, y }; } double ls {}, lmx {}; for (int i = 0; i < 3; i++) { double l { abs(p[m(i + 1)] - p[m(i)]) }; ls += l; lmx = max(lmx, l); } double r { area2(p) / ls }; cout << fixed << setprecision(10) << lmx * r / (lmx + 2.0 * r) << endl; return 0; }
Submission Info
Submission Time | |
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Task | B - Inscribed Bicycle |
User | hrbt |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 864 Byte |
Status | AC |
Exec Time | 1 ms |
Memory | 256 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 | 1 ms | 256 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 | 256 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 |