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问题描述
我想这两个for循环为单个环路相结合。我该怎么做?
I want to combine both the for loops into single for loop. How can i do that?
我想通过一个循环,Z和A到Z,像这样:
I want to loop through a to z, and A to Z, like so:
char ch;
for (ch = 'A' ; ch <= 'Z' ; ch++ )
{
}
for (ch = 'a' ; ch <= 'z' ; ch++ )
{
}
,但使用单个环路
but using a single loop.
推荐答案
我不亲自如的这一解决方案,但是:
I don't personally like this solution, but:
char * letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
for (char * ptr = letters; *ptr != 0; ++ptr) {
char ch = *ptr;
...
}
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