Submission #1834898
Source Code Expand
#include <cstdio>
#include <algorithm>
#include <vector>
#include <cmath>
using namespace std;
int main() {
vector<int> x(3), y(3);
scanf("%d%d", &x[0], &y[0]);
scanf("%d%d", &x[1], &y[1]);
scanf("%d%d", &x[2], &y[2]);
vector<double> edge;
edge.push_back(sqrt((double)(pow(x[0] - x[1], 2) + pow(y[0] - y[1], 2))));
edge.push_back(sqrt((double)(pow(x[1] - x[2], 2) + pow(y[1] - y[2], 2))));
edge.push_back(sqrt((double)(pow(x[2] - x[0], 2) + pow(y[2] - y[0], 2))));
sort(edge.rbegin(), edge.rend());
double a = edge[0], b = edge[1], c = edge[2];
double s = (a + b + c) / 2;
double area = sqrt(s * (s - a) * (s - b) * (s - c));
double R = 2.0 * area / (a + b + c);
double l = a;
double ans = l / (l / R + 2.0);
printf("%.20lf\n", ans);
return 0;
}
Submission Info
Submission Time |
|
Task |
B - Inscribed Bicycle |
User |
KokiYmgch |
Language |
C++14 (GCC 5.4.1) |
Score |
500 |
Code Size |
908 Byte |
Status |
AC |
Exec Time |
1 ms |
Memory |
256 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:9:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &x[0], &y[0]);
^
./Main.cpp:10:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &x[1], &y[1]);
^
./Main.cpp:11:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &x[2], &y[2]);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
500 / 500 |
Status |
|
|
Set Name |
Test Cases |
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 |