回答編集履歴
1
追記
test
CHANGED
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@@ -25,4 +25,30 @@
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25
25
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std::cout << std::count_if(str.begin(), str.end(), [](char ch) { return std::isalpha(ch);}) << std::endl;
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}
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```
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28
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[追記] C版
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29
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```C
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30
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#include <stdio.h>
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31
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#include <ctype.h>
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32
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int main() {
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const char* str =
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35
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"You can sit before the desk (or in front of the desk). The professor can sit on "
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36
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"the desk (when he's being informal) or behind the desk, and then his feet are "
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37
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"under the desk or beneath the desk. He can stand beside the desk (meaning next "
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"to the desk), before the desk, between the desk and you, or even on the desk (if "
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"he's really strange). If he's clumsy, he can bump into the desk or try to walk "
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"through the desk (and stuff would fall off the desk). Passing his hands over the "
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"desk or resting his elbows upon the desk, he often looks across the desk and "
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"speaks of the desk or concerning the desk as if there were nothing else like the "
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"desk. Because he thinks of nothing except the desk, sometimes you wonder about "
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"the desk, what's in the desk, what he paid for the desk, and if he could live "
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"without the desk. You can walk toward the desk, to the desk, around the desk, by "
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"the desk, and even past the desk while he sits at the desk or leans against the "
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"desk.";
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int count = 0;
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while ( *str ) if ( isalpha(*str++) ) ++count;
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printf("%d alphabets.\n", count);
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return 0;
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53
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}
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54
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```
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