求三个字符串中最大者

#include
#include

int main(int argc, char **argv)
{
  int big;
  char s[3][20]={"string1","string2","string3"};
  for(i=1;i<3;i++)
  {
    big = (strcmp(s[big],s[i]))>0?big:i;
  }
  printf("the biggest string is \"%s\".\n", s[big]);
  return 0;
}