简单的带参数的宏定义

#include<stdio.h>
#define MAX(a, b) a > b ? a : b 
#define SQR(x) x * x
int main(){
    int x, y;
    scanf("%d %d", &x, &y);
    x = MAX(x, y);
    y = SQR(x);
    printf("%d %d\n", x, y);

    return 0;
}