题解 | #取近似值#
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in); double v = scanner.nextDouble();
BigDecimal bigDecimal = new BigDecimal(v); int i = bigDecimal.setScale(0, RoundingMode.HALF_UP).intValue();
System.out.println(i);
}
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