- 907 名前：デフォルトの名無しさん mailto:sage [2008/05/20(火) 18:21:20 ]
- >>906
せっかく計算機にやらせるなら方程式を解くなんて野暮なことはしない
public class TsuruKame {
private static final int ATAMA = 10;
private static final int ASHI = 30;
public static void main(String[] args) {
boolean solved = false;
loop: for (int tsuru = 0; tsuru <= ATAMA; tsuru++) {
for (int kame = 0; tsuru + kame <= ATAMA; kame++) {
if (kame + tsuru == ATAMA && kame * 4 + tsuru * 2 == ASHI) {
System.out.println("鶴は" + tsuru + "羽、亀は" + kame + "匹");
solved = true;
break loop;
}
}
}
if (! solved) System.out.println("鶴亀算は不成立");
}
}
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