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Recent Problems

IDDescription / TitleSolved By
761Runner and Swimmer63
760Sum over Bitwise Operators250
759A squared recurrence relation292
758Buckets of Water174
757Stealthy Numbers453
756Approximating a Sum237
755Not Zeckendorf445
754Product of Gauss Factorials383
753Fermat Equation291
752Powers of $1+\sqrt 7$374