public class Main {
public static void main(String[] args) {
int sum = 0;
int m = 20;
int n = 100;
// 使用do while计算M+...+N:
int i=m;
do {
sum+=i++;
} while (i<=n);
System.out.println(sum);
}
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rb-h浪子-含笑
public class Main {
public static void main(String[] args) {
int sum = 0;
int m = 20;
int n = 100;
// 使用do while计算M+...+N:
int i=m;
do {
sum+=i++;
} while (i<=n);
System.out.println(sum);
}
}