Investment Calculator

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Points: 3
Time limit: 2.0s
Memory limit: 64M
Author:
David
Problem type

An investment with an initial value of x is compounded annually at a rate of y. Using a loop, calculate the number of years needed until the investment is worth z.

Input

The first line of input contains x with at most 2 decimal places.
The second line of input contains z, with at most 2 decimal places.
The third line of input contains y, the rate of interest in percent with at most 2 decimal places. The interest will not be 0 or greater than 100%.

Output

Output the number of years needed before the interest with initial value x reaches a value of z with a compound interest of y every year.

Sample Input

100
200
12

Sample Output

7

Comments


  • 1
    selena_zhang  commented on Nov. 19, 2019, 7:53 p.m.

    Isn't y future value and z interest?


  • -8
    Samuel_Liu  commented on Nov. 19, 2019, 2:20 p.m.

    This comment is hidden due to too much negative feedback. Click here to view it.


    • 9
      sankeeth_ganeswaran  commented on Nov. 19, 2019, 2:26 p.m.

      noob


      • -100006
        Samuel_Liu  commented on Nov. 19, 2019, 8:05 p.m. ← edited

        This comment is hidden due to too much negative feedback. Click here to view it.


        • 10000002
          EgorGor  commented on Dec. 6, 2019, 9:01 a.m. ← edit 2

          noob

          - Sankeeth Gahtrrsdhewhan

          • -2
            Serog1sPerog1s  commented on Dec. 7, 2019, 9:58 p.m.

            disgustang thoust slave of fashion


            • 1
              Eric_Zhang  commented on Dec. 12, 2019, 2:09 p.m.

              XDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXDXD