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