单选题有以下程序#include int fun(char s[]){ int n=0; while(*s='0') {  n=10*n+*s-'0';  s++; } return (n);}main(){ char s[10]={'6','1','*','4','*','9','*','0','*'}; printf("%d",fun(s));}程序的运行结果是(  )。A61490B61C9D5

单选题
有以下程序#include int fun(char s[]){ int n=0; while(*s='0') {  n=10*n+*s-'0';  s++; } return (n);}main(){ char s[10]={'6','1','*','4','*','9','*','0','*'}; printf("%d",fun(s));}程序的运行结果是(  )。
A

61490

B

61

C

9

D

5


参考解析

解析:
f函数将依次遍历字符数组,将其中的数字字符转换为对应的整数,并按照其出现的顺序将其构造成一个整数,直至遇见非数字字符循环停止。本题中,依次遍历到'6','1',构造成整数61,循环遇到'*'时结束,返回61。答案选择B选项。

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