• 2021-04-14
    若运行时输入:2,则以下程序的运行结果是 #include void main(void) {char class; printf("Enter 1 for 1st class post or 2 for 2nd post"); scanf("%c",&class); if (class=='1') printf("1st class postage is 19p"); else printf("2nd class postage is 14p"); 。 ) }
  • 举一反三