Can you convert this java file to C++ using the files main.cpp, Functions.h, and fuunctions.cpp please?

import java.util. Scanner; public class GradeCalculatort public static void main(String[ args) Scanner input-new Scanner (System.in); System.out.print ("Enter the number of students: " int num-input.nextInt); int[] scores-new int[num]; char[] grades-new char [num] System.out.print("Enter "+num+" scores: "; int best-1; for(int i-0;i- best - 20) else if (scores [1] >= best - 30) else if (scores [1] >= best - 40) else grades [i] 'F // What's with (i + 1)?Only programmers count from zero! grades [i]-'A' grades [i] = 'B'; grades [i]'C grades[i]'D Systen!out.RrintIn( "Student .. + ( + 1) + " -Score : .. + scores [i] + ", Letter: " + grades [1] ); input.close)