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【PHP初級㉔】論理演算子4

Last updated at Posted at 2022-07-05

[問題]  (参照:http://www.cc.kyoto-su.ac.jp/~mmina/bp1/hundredKnocksPrimary.html)
整数値を入力させ、その値が-10以上0未満、または、10以上であればOK、そうでなければNGと表示するプログラムを作成しなさい。

コード

$a = intval(fgets(STDIN));
if(($a >= -10 && $a < 0) || $a >= 10){
    echo 'OK';
}else{
    echo 'NG';
}

↓「11」と入力

結果

OK
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