Main.cc: In function 'int main()':
Main.cc:8:14: error: 'sort' was not declared in this scope
sort(&a,&b,&c);
^
Main.cc:4:15: warning: unused variable 't' [-Wunused-variable]
int a,b,c,t; /*定义4个基本整型变量a、b、c、t*/
^
Main.cc:6:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d,%d,%d",&a,&b,&c); /*输入任意3个数*/
^