#include “stdio.h”int s_max(int a,int b,int c) /*求最大值函式*/{ int max; if(a>=b) max=a; else max=b; if(max<c) max=c;return max; }int s_min(int a,int b,int c) /*求最小值函式*/{ int min; if(a>=b) min=b; else min=a; if(min>c) min=c;return min;}float s_pin(int a,int b,int c) /*求平均值函式*/{ float pin; pin=(a+b+c)/3.0; return pin; }mian(){ int a,b,c; printf("請輸入三個整數："); scanf("%d,%d,%d",&a,&b,&c); printf("這三個整數中的最大值是：%d",s_max(a,b,c)); printf("這三個整數中的最小值是：%d",s_min(a,b,c)); printf("這三個整數的平均值是：%f",s_pin(a,b,c)); getch();}