求助#includemain(){int i,j;char *s[4]={"comtinue",求详细解释这程序是什么意思#includemain(){\x09int i,j;\x09char *s[4]={"continue","break","do-while","point"};\x09for(i=3;i>=0;i--)\x09for(j=3;j>i;j--)\x09printf("%s\n",s[i]+j);}