Program Of Nested IF Condition In C++

#include<iostream.h>

#include<conio.h>

main()

{

clrscr();

int marks;

cout<<" enter marks=";

cin>>marks;

if(marks>=40)

{

if(marks>=60)

{

if(marks>=80)

{

cout<<"\n excellent";

}

else

{

cout<<"\n first";

}

}

else

{

if(marks>=50)

{

cout<<"\n good second";

}

else

{

cout<<"\n second";

}

}

}

else

{

if(marks>=20)

{

cout<<"\n poor";

}

else

{

cout<<"\n v poor";

}

}

getch();

}