C语言题目ⷶⷶ&#128557？

#include
void two()
{
printf("two\n");
}
void one_three()
{
printf("one\n");
two();
printf("three\n");
}
int main()
{
printf("starting now:\n");
one_three();
printf("done!");
return 0;
}

#include
void two(){
printf("two\n");
printf("three\n");
}
void one_three(){
printf("one\n");
two();
}
void main(){
printf("starting now:\n");
one_three();
printf("done!\n");
}

#include

void three()

{printf("three\n");

 printf("done\n");

}

void two()

{printf("two\n");

 three();

}

void one_three()

{printf("one\n");

 two();

}

int main()

{ printf("starting now:\n");

  one_three();

  return 0;

}

int Is(int number)

{ int a=0,j,k,l;

  j=number/100;

  k=(number-j*100)/10;

  l=(number-j*100-k*10);

  return(number==j*j*j+k*k*k+l*l*l);

}

#include

void two() { printf("two\n"); }

void one_three() { printf("one\n"); two(); printf("three\n"); }

void main() { printf("starting now:\n"); one_three(); printf("done!\n"); }