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1243: 【入门】求s=a+aa+aaa+aaaa+aa...a的值
Memory Limit:16 MB
Time Limit:1.000 S
Judge Style:Text Compare
Creator:
Submit:18
Solved:13
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Description
求s=a+aa+aaa+aaaa+aa...a的值,其中a从键盘读入。比如:读入2,则s=2+22=24。再比如:读入5,s=5+55+555+5555+55555=61725
Input
一个整数a(a在1~9的范围内)
Output
整数n代表这个算式的结果
Sample Input
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2
Sample Output
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24
Source/Category
函数问题
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