1211: 求1+3+5+...+n的值
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:37
Solved:18
Description
输入n(奇数)求1+3+5+...+n的和
Input
奇数n
Output
1+3+5+...+n
Sample Input Copy
7
Sample Output Copy
16