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The problems archives table shows problems 1 to 610. If you would like to tackle the 10 most recently published problems then go to Recent problems.
Click the description/title of the problem to view details and submit your answer.
|ID||Description / Title||Solved By|
|602||Product of Head Counts|
|603||Substring sums of prime concatenations|
|604||Convex path in square|
|605||Pairwise Coin-Tossing Game|
|606||Gozinta Chains II|
|610||Roman Numerals II|