#include <stdio.h>
 
double max(double, double);
double abs2(double);
double cube(double);
 
//main関数
int main(void) {
    double a, b;
    a = 2.5;
    b = -1.1;
    printf("max(|%f|,(%f)^3)=%f\n",a,b,max(abs2(a),cube(b)));	
	return 0;
}
 
//二つの引数の大きい方の値を返す関数
double max(double x,double y){
    return (x>y)?x:y;
}
 
//引数の絶対値を返す関数
double abs2(double x){
    return (x>0)?x:-x;
}
 
//引数の三乗の値を返す関数
double cube(double x){
    return x*x*x;
}
 
 

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