## Problem of the Day #176: Counting Squares
*September 11, 2011*

*Posted by Saketh in : potd , trackback*

Determine the number of perfect squares between $11111111111000000000$ and $11111111111999999999$, inclusive.

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## Problem of the Day #176: Counting Squares
*September 11, 2011*

*Posted by Saketh in : potd , trackback
*

Determine the number of perfect squares between $11111111111000000000$ and $11111111111999999999$, inclusive.

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