/*文件名:exam8_24.cpp*/
#include <stdio.h>
int execute(int x,int y,int(*func)(int,int))
{
	return((*func)(x,y));
}
int func1(int x,int y)
{
	return(x+y);
}
int func2(int x,int y)
{
	return(x-y);
}
int func3(int x,int y)
{
	return(x*y);
}
int func4(int x,int y)
{
	return(x/y);
}
main()
{
	int (*func[4])(int,int);
	int a,b,i;
	func[0]=func1;
	func[1]=func2;
	func[2]=func3;
	func[3]=func4;
	a=10;b=5;
	for (i=0;i<4;i++)
		printf("func%d:%d\n",i+1,execute(a,b,func[i]));
}