Untitled
unknown
plain_text
4 years ago
666 B
139
Indexable
#include<iostream> #include<iomanip> #include<math.h> using namespace std; bool Check(double a, double b, double c){ if((a>=b+c) || (b>=a+c) || (c>=b+a)){ return true; } return false; } int Peri(double a, double b, double c){ double res = a + b +c; return res; } double Area(double a, double b, double c){ double p = Peri(a, b, c) / 2.0; return sqrt(p*(p - a)*(p - b)*(p - c)); } int main(){ double a, b, c; cin >> a >> b >> c; if(Check(a, b, c)){ cout << "NO"; }else{ cout << setprecision(2) << fixed << Peri(a, b, c) << " "; cout << setprecision(2) << fixed << Area(a, b, c); } }
Editor is loading...