11140: 第四章:for循环结构《练习4:求s=11+22+33+..+nn 》

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:3 Solved:0

Description

输入一个整数n,求s=11+22+33+..+nn  (n<=9)

Sample Input Copy

2

Sample Output Copy

33