fork download

#include<stdio.h>
int main()
{
	int award(int c);
	int b;
	float a,z;
	scanf("%d",&b);
    a=0;
    z=award(b);
	printf("%f\n",z);
	return 0;
}
float award(int c)
{
	float a;
	if(c<=100000) a=a+c*0.1;
	else if(c<=200000) 
	{
		a=a+(c-100000)*0.075;
		award(100000);
	}
	else if(c<=400000)
	{
		a=a+(c-200000)*0.05;
		award(200000);
	}
	else if(c<=600000)
	{
		a=a+(c-400000)*0.03;
		award(400000);
	}
	else if(c<=1000000)
	{
		a=a+(c-600000)*0.015;
		award(600000);
	}
	else 
	{
		a=a+(c-1000000)*0.01;
		award(1000000);
	}
	if(c<=100000) return(a);
	else return0;
}

prog.cpp: In function ‘int main()’:
prog.cpp:6:8: warning: variable ‘a’ set but not used [-Wunused-but-set-variable]
  float a,z;
        ^
prog.cpp: In function ‘float award(int)’:
prog.cpp:43:7: error: ‘return0’ was not declared in this scope
  else return0;
       ^
prog.cpp:44:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

Standard output is empty