#include <bits/stdc++.h> using namespace std; int DTT(int a, int b, int c) { int m = sqrt(2*b*b+2*c*c-a*a)/2; return m; } int main() { int a, b, c, m; cout << "Nhap ba canh tam giac" << endl; cin >> a >> b >> c; m = DTT(a,b,c); cout << m; return 0; }