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#include<stdio.h>
int main()
{
	int per;
	clrscr();
	printf("write your percentage here:\n");
	scanf("%f",per);
	if (per>36)
	printf("Pass");
	else
	printf("fail");
	return 0;
}
 

prog.c: In function ‘main’:
prog.c:5:2: warning: implicit declaration of function ‘clrscr’ [-Wimplicit-function-declaration]
  clrscr();
  ^~~~~~
prog.c:7:10: warning: format ‘%f’ expects argument of type ‘float *’, but argument 2 has type ‘int’ [-Wformat=]
  scanf("%f",per);
          ^
prog.c:7:2: warning: ‘per’ is used uninitialized in this function [-Wuninitialized]
  scanf("%f",per);
  ^~~~~~~~~~~~~~~
/home/aDeUyX/ccQsIRWB.o: In function `main':
prog.c:(.text.startup+0x7): undefined reference to `clrscr'
collect2: error: ld returned 1 exit status

Standard output is empty