题目内容
(请给出正确答案)
[单选题]
若有如下程序,则程序运行结果为:()#include<stdio. h>main(){ int x=1, a=0;switch (x)case 1:a++;case 2: a++ ;break;case 3: a++ ; break;printf(”a=%d\n" ,a)
A.=0
B.=1
C.=2
D.=3
答案
D、=3
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A.=0
B.=1
C.=2
D.=3
D、=3
A.87, 45, 36, 17, 22
B.17, 22, 36, 45, 87
C.17, 22, 36, 87, 45
D.87, 45, 17, 36, 22
运行以下程序,输出结果为()。s='I like purple flowers' lst1=s.split() lst2=[len(i) for i in lst1] lst 2.sort(reverse=True) print(lst2[0])
运行以下程序,输出结果为()。lst1=[1,2,3,4,5] lst2=[3,4,9,12,7] for i in range(0,5): if lst2[i]%lst1[i]==0: print(i,end='') #此处''为空字符串
A.9, 8, 7, 3, 6, 2
B.2, 3, 6, 7, 8, 9
C.2, 3, 6, 9, 8, 7
D.9, 8, 7, 6, 3, 2
阅读以下程序,填写运行结果()。def f(n): s='' #此处''为空字符串 for i in range(0,n): s+=str(i) print(s) f(4)
A.45
B.55
C.60
D.50
阅读以下程序,填写运行结果()。def f(m,n): s='' #此处''为空字符串 for i in range(m,n): s+=str(i) return s print(f(3,5)+f(1,4))