int main(int argc, const char * argv[])
{
//定义3个变量储存a,b,c
int a,b,c;
a = b = c =0;
printf("输入三个整数，用逗号隔开:\n");
//接收
scanf("%d,%d,%d",&a,&b,&c);
//两两比较
int temp;
if(a>b){
temp = a;
a = b;
b = temp;
}
if(a>c){
temp = a;
a = c;
c = temp;
}
if(b>c){
temp = b;
b = c;
c = temp;
}
//输出
printf("%d,%d,%d\n",a,b,c);