#include using namespace std; int main () int x, y; { X = 5; * У 3 cout << x <« y; x = 5; y = ++X ++x; * y = X++ cout << x << y; ++x; !! return 0; }

#include <iostream> using namespace std; int rectArea (int len, int wid) { return len * wid; } int main () { int length, width; cin >> length >> width; cout << "The area of a " << length << " by " << width << " rectangle is " << /*add code to call the reacArea function */ << "." << endl; return 0; }

#include using namespace std; Type the program's output int main() { int g; g = 0; while (g >= −2) { } cout << g << endl; g = g - 1; return 0;

#include <iostream>#include <cmath>#include <iomanip>using namespace std; int main() {   double x;   double y;   double z;    cin >> x;   cin >> y;      /* Your code goes here */      cout << fixed << setprecision(1); // setprecision(1) outputs z with 1 decimal place.   cout << z << endl;    return 0;}   having trouble with this code in C++