Creating a window

#define GLEW_STATIC
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <bits/stdc++.h>

void HandleInput(GLFWwindow *window)
{
	if (glfwGetKey(window, GLFW_KEY_ESCAPE) == GLFW_PRESS)
	{
		glfwSetWindowShouldClose(window, true);
	}
}

int main()
{
	glfwInit();
	glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
	glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
	glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
	
	GLFWwindow* window = glfwCreateWindow(800, 600, "First Window", NULL, NULL);
	if (window == NULL)
	{
		std::cout << "Somethong wrong happen" << std::endl;
		glfwTerminate();
		return -1;
	}
	glfwMakeContextCurrent(window);

	// INIT GLEW
	glewExperimental = true;
	if (glewInit() != GLEW_OK)
	{
		std::cout << "INIT GLEW FAIL" << std::endl;
		glfwTerminate();
		return -1;
	}

	glViewport(0, 0, 800, 600);

	while (!glfwWindowShouldClose(window))
	{
		HandleInput(window);
		glClearColor(0.5, 0.2, 0.3, 1.0f);
		glClear(GL_COLOR_BUFFER_BIT);

		glfwSwapBuffers(window);
		glfwPollEvents();
	}
	glfwTerminate();
}