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1018: 【循环基础】【求和】C语言程序设计教程(第三版)课后习题6.8
Memory Limit:128 MB
Time Limit:1.000 S
Judge Style:Text Compare
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Submit:242
Solved:184
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Description
有一分数序列: 2/1 3/2 5/3 8/5 13/8 21/13...... 求出这个数列的前N项之和,保留两位小数。
Input
N
Output
数列前N项和
Sample Input
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10
Sample Output
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16.48
Source/Category
初级B