[英]show the character of string, that user entered. C language
I'd like to ask if it's possible to do something like this: For example I have a string B with text and I wrote a code like this: 我想问一下是否可以做这样的事情:例如,我有一个带有文本的字符串B,我写了这样的代码:
puts("Enter the number of character in string B:");
gets(number);
I would like that a program would print a character that user has entered. 我希望程序可以打印用户输入的字符。 For example
例如
char B[] = {"Shop"};
user entered 4 and computer prints p character. 用户输入4,计算机将打印p字符。 I think this should look like:
我认为这应该像:
char b[number];
printf("%s", b);
But it doesn't work. 但这是行不通的。 I hope that you will understand what I want to do.
我希望你能理解我想做什么。 Sorry, for my English.
对不起我的英语不好。 Still learning.
还在学习。
Regard to Joe`s answer: 关于乔的回答:
Do not forget to check negative value: 不要忘记检查负值:
if (number <= strlen(B) && unmber>=0)
printf("%c", B[number - 1]);
else
printf("Entered number: %d : is out of range\n", number);
Try this: 尝试这个:
if ((number <= strlen(B)) && (number >= 1))
printf("%c", B[number - 1]);
else
printf("Entered number: %d : is out of range\n", number);
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