Problem B: 求1+3+5+…+n(for循环或while循环)

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:20 Solved:16

Description

求1+3+5+…+n(n是奇数

Input

输入n(n<=99的奇数)

Output

输出结果

Sample Input Copy

5

Sample Output Copy

9

Source/Category