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1028: 求和
Memory Limit:3 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:78
Solved:69
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Description
求1+3+5+...+n
Input
输入一行,只有一个整数n (1<=n<=9999) 这里n为奇数。
Output
输出只有一行
Sample Input
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99
Sample Output
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2500
Source/Category
鲁班创客
入门
四则运算
循环结构
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