Submission #2079423
Source Code Expand
#include <iostream> #include <vector> #include <set> #include <map> #include <queue> #include <deque> #include <algorithm> #include <complex> #include <array> #include <numeric> using namespace std; using ll = long long; using P = complex<double>; double area(const array<double, 3> &sides) { double s = accumulate(sides.begin(), sides.end(), 0.0) / 2; double t = s; for (double x: sides) { t *= s - x; } return sqrt(t); } double inscribedCircleRadius(const array<double, 3> &sides) { double S = area(sides); double R = 2 * S / accumulate(sides.begin(), sides.end(), 0.0); return R; } int main() { array<P, 3> ps; for (int i = 0; i < 3; i++) { int x, y; cin >> x >> y; ps[i] = P(x, y); } array<double, 3> sides; for (int i = 0; i < 3; i++) { sides[i] = abs(ps[i] - ps[(i+1)%3]); } double R = inscribedCircleRadius(sides); double m = *max_element(sides.begin(), sides.end()); double res = m / (2 + m / R); printf("%.15f\n", res); return 0; }
Submission Info
Submission Time | |
---|---|
Task | B - Inscribed Bicycle |
User | kroton |
Language | C++14 (GCC 5.4.1) |
Score | 500 |
Code Size | 1049 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 |