package com.itranswarp.learnjava; public class Main { public static void main(String[] args) { int sum = 0; int m = 20; int n = 100; // FIXME: 使用do while计算M+...+N: do { sum = sum + m; m++; } while (m!=n); System.out.println(sum); } }
不能用(n != m),这要会少算了n。
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tanlandy