L1-008. 求整数段和
######问题描述：
java代码：
import java.util.Scanner;
/**
* Created by pc on 17-3-12.
*/
public class Main {
public static void main(String [] args){
Scanner input =
new Scanner(System.in);
int i_begin = input .nextInt();
int i_end = input.nextInt();
int a=
0;
int sum=
0;
for(
int i=i_begin ;i<=i_end;i++){
if(a==
5){
a=
0;
System.out.println();
}
sum +=i;
System.out.printf(
"]",i);
a++;
}
System.out.println();
System.out.print(
"Sum = "+sum);
}
}
结果
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