public class Main {
public static void main(String[] args){
int m = 20;
int n = 100;
int sum = 0;
do {
sum = sum + m;
m ++ ;
} while (m <= n);
System.out.println(sum);
}
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赵世俊1990
public class Main {
public static void main(String[] args){
int m = 20;
int n = 100;
int sum = 0;
do {
sum = sum + m;
m ++ ;
} while (m <= n);
System.out.println(sum);
}
}