What is wrong in this

Question

// Shared via Compiler App https://g633x.app.goo.gl/TPlw
#include <stdio.h>

int main()
{
int per;
switch(per)
{
case 1:>75;
printf("the grade is A");
case 2: >59 && <75;
printf("the grade is B");
case 3:>49 && <60;
printf("the grade is C");
case 4:>39 && <50;
printf("the grade is D");
case 5: <40;
printf("fail");
}
return 0;
}

Answer 1

Syntax is incorrect. You cannot compare values like this in switch statement

Answer 2

any error