To find the grades of student by nested if,else loops

To find the grades of student by nested if,else loops:-

#include<stdio.h>

#include<conio.h>

void main()

{

int marks;

clrscr();

printf("enter your marks out of 100 = ");

scanf("%d",&marks);

if(marks>80)

{

printf("your grade is A");

}

else

{

if(marks>50)

printf("your grade is B");

else

{

printf("your grade is C");

}

}

getch();

}

Output:-