There are 'n' pair of shoes. A thief thieves 'r' pair of shoes,he is unsucceeded. Find the ways, there is no matching.
There are 'n' pair of shoes. A thief thieves 'r' pair of shoes,he is unsucceeded. Find the ways, there is no matching.
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Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago