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  • P3365【2015重庆省队训练赛Round12】World Final 2015 H Qanat
    Limits : Time Limit : 2000 MS   Memory Limit : 524288 KB
    Description


    Input Format


    Output Format


    Sample Input

    样例输入1:
    8 4 1

    样例输入2:
    195 65 2

    样例输入3:
    10000 1 1000

    Sample Output

    样例输出1:
    31.500000
    3.000000

    样例输出2:
    12220.000000
    48.000000
    108.000000

    样例输出3:
    30141.885677
    9.956721
    19.913443
    29.870164
    39.826887
    49.783610
    59.740334
    69.697060
    79.653786
    89.610515
    99.567245