How to draw triangle in rectangle ? (C++)

I have a little problem. I would like to draw triangle in rectangle thanks "Loop For" and I have code about rectangle and triangle, but I can't add this. Can anyone help ? #include <iostream> #include <windows.h> using namespace std; int main() { in...

Which pages would you recommend me to read/watch the get most important informations about the function "Unit Testing" in C++ (I am a beginner in programming) ? Thanks in advance.

What is the best way to learn any language?