#define _CRT_SECURE_NO_WARNINGS 1

#include<stdio.h>

#include<string.h>

#include<stdlib.h>

int get_max(int x, int y)

{

 int z = 0;

 if(x > y)

  z = x;

 else

  z = y;

 return z;  //返回较大值

}

int main()

{

int a =10;

int b = 20;

int max = get_max(a,b);

printf("max = %d\n",max);

 return 0;

}