301. | A problem from Martin Gardner | 578 | |
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302. | SMO 2020/5: I SWEAR IT'S A MIQUEL POINT | 576 | |
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303. | MIT Mystery Hunt 2021: Love at 150 km/h | 574 | |
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304. | USAMO 1999/3: Introducing FAREY SEQUENCES! | 574 | |
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305. | More chess puzzle struggles! | 573 | | Chess Puzzles
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306. | Tournament of Towns Fall 2015 Senior A-level: HEIGHT SWAP | 571 | |
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307. | Sokyokuban: pushing boxes on the hyperbolic plane! | 571 | |
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308. | IberoAmerican 2021/2: YEET ALL THE POINTS | 567 | |
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309. | TWITCH SOLVES ISL #127 (mostly Hanabi) | 566 | |
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310. | BAMO 2019/3: A ZOO OF CEVIANS | 565 | |
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311. | IMO Shortlist 2004 N1: MAGICAL TAU CONSTRUCTION | 565 | |
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312. | ELMO 2010/3: RATE YOUR MIND PAL | 564 | |
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313. | Square root sum | 563 | |
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314. | Irish MO 1994: SQUARE DISSECTION | 561 | |
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315. | Episode 161 | 561 | |
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316. | ILL 1974/2: OVERKILLING PROBLEMS FROM 1974 | 561 | |
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317. | AMSP Alg3.5 Inequality: SQUARING THREE TIMES "NOT THAT BAD" (ft more arithmetic demos!) | 560 | |
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318. | USAMO 1997/1: k'th prime is EXTRANEOUS!? | 558 | |
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319. | IMO Shortlist 2002 C7: TURAN CLONING | 558 | |
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320. | TWITCH SOLVES ISL #109 | 546 | |
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321. | Christmas AMO 2020/5: another TRIG factorization! | 545 | |
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322. | IOL 2015/1: NAHUATL AND ARAMMBA NUMERALS! | 544 | |
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323. | Taiwan TST 2019/2J/2: NOT MIXTILINEAR GEO | 543 | |
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324. | Getting carried in Among Us! 5W 0L Christmas stream party | 540 | | Among Us
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325. | USAMO 1999/1: 2 MOD 3 PERFECT SQUARE?? | 539 | | 1-2-Switch
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326. | Apparently "Stupid Geo Things MO": TRIG MANIPULATION | 537 | |
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327. | USAMO 1998/3: Forgetting to homogenize!? | 534 | |
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328. | Putnam 2019 A5: MASS DIFFERENTIATION NUMBER THEORY | 534 | |
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329. | 💚🤍💙 Find Love or Die Trying AGAIN ♥️🧡💜 | 533 | | Find Love or Die Trying
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330. | EGMO 2023/2: HOW TO DRAW SYMMEDIANS | 533 | |
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331. | 1v1 FTW: v_Enhance vs pad and v_Enhance vs andyxpandy99 | 533 | |
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332. | Mitchell Lee's MIRACLE SUDOKU (two given digits!) | 532 | |
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333. | 1v1 FTW: v_Enhance vs DottedCalculator | 531 | |
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334. | Tournament of Towns 1999: WILL IT FLOAT?? | 530 | |
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335. | TWITCH SOLVES ISL #99 | 529 | |
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336. | TWITCH SOLVES ISL #74 | 527 | |
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337. | K. Vedula's ONE-LINEAR functional equation (ft throwback to IMO 2012/4) | 527 | |
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338. | IMO Longlist 1967/SWE-5: CURSED PROBLEM | 526 | |
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339. | TWITCH SOLVES ISL #95 | 525 | |
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340. | CEMC Euclid 2023/10: SUM OF FLOOR FUNCTIONS | 524 | |
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341. | Shortlist 2014 A2: 3vt sight solve! | 522 | |
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342. | IMO Shortlist 2004 G6: CALCULUS INTO COORDINATE BASH?? | 522 | |
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343. | Straightedge only construction challenge! | 519 | |
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344. | WYue Mock JMO 2020/3: ERASE ALL POINTS WITH ONE QUICK TRICK!? | 512 | |
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345. | TWITCH SOLVES ISL #104 (part 2 of 2) | 511 | |
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346. | Florida 2023: QUOTING THE JAPANESE THEOREM | 510 | |
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347. | TWITCH SOLVES ISL #137 | 510 | |
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348. | 3d combo geo?? | 510 | |
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349. | APMO 2009/1: NO IT'S NOT LOG LOG | 510 | |
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350. | Iberoamerican 2020/2: Triangular number CRT | 509 | |
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351. | The Golem: Building contraptions | 508 | | I Wanna Be the Guy
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352. | JMO 2012/5: Fake solved TWICE in ONE PROBLEM! | 504 | |
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353. | 1V1 FTW: v_Enhance vs DottedCalculator | 504 | |
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354. | TSTST 2013/4: TRIPLE SALMON THEOREM | 502 | |
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355. | IMO 1982/1: FE OR NOT FE?? | 500 | |
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356. | IMO Shortlist 2007 N5: MASS ZSIGMONDY FE | 497 | |
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357. | Brazil 2017/6: WAIT WE DID THIS LAST WEEK | 496 | |
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358. | Tournament of Towns 1999: I CAN'T BELIEVE IT'S NOT GEO | 495 | |
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359. | Shortlist 2007 N1: MOAR CASES | 493 | |
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360. | TWITCH SOLVES ISL #82 | 492 | |
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361. | Iberoamerican 2022/2: BAITED BY DIGITS GAME | 492 | |
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362. | Sharygin 2019 Correspondence Round #23: MONSTER EATING STEAK? | 491 | |
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363. | IMC 2023/2: NON-COMMUTATIVE ALG MANIP! | 490 | |
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364. | TWITCH SOLVES ISL #90 (usemo day 2) | 490 | |
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365. | StarCraft 2: Tarnishing the name of MIT with Lambo's free MMR build | 485 | | StarCraft II
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366. | AAIME 2023/13: SYNTHETIC COORDINATE GEOMETRY? | 485 | |
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367. | Shortlist 2004 C2: stumbling around into a construction | 485 | |
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368. | RMM 2016/5: QUOTING OWN PROBLEM? | 482 | |
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369. | BIG WUMP GAMES: The Last Meadow (2025-04-01) | 480 | |
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370. | KoMaL A775: how to do stuff over R please help | 479 | |
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371. | Original viewer geo: IS THIS NOT CARTESIAN COORDINATES | 479 | |
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372. | Korea Finals 2020/2: the TWITCH LEMMA RETURNS! | 477 | |
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373. | Unboxing "The Golem" | 475 | |
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374. | Live solve: rectangle reconstruction | 475 | |
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375. | Iran TST 2019/15: PAPPUS INTO SYMMEDIAN RATIOS | 473 | |
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376. | IMO Shortlist 2012 G3: ONE MORE INCENTER | 470 | |
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377. | USAMO 2023/3 Writeup: Domino k(C)asework | 468 | |
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378. | Summer JMO 2020/3: LINEARITY OF POWER OF POINT | 468 | |
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379. | QUADRUPLE CIRCLE tangency construction! | 468 | |
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380. | TWITCH SOLVES ISL #4 ~ RIP USAMO GLHF EGMO ~ | 468 | |
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381. | TWITCH SOLVES ISL #67 | 467 | |
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382. | Hanabi speedrun (3p 2:25) | 467 | |
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383. | RMM Shortlist 2018 N1: f(0) strikes again! (ft Dirichlet) | 466 | |
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384. | TSTST 2011/2: $@#%ing SPIRAL SIM (completing the TSTST collection) | 465 | |
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385. | FOUR-PLAYER CHESS?? Total disaster | 463 | |
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386. | IberoAmerican 2021/1: RECESSIVE COLORS | 462 | |
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387. | IMO Shortlist 2007 C1: NOT STARS AND BARS | 458 | |
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388. | Shortlist 1999 C6: FOUR COLOR THEOREM IN Z^2?? | 457 | |
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389. | Mexico 2020/3: DANCE OF THE TURKEYS! | 455 | |
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390. | Tournament of Towns 2011: 100 arcs! | 455 | |
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391. | TWITCH SOLVES ISL #142 | 455 | |
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392. | USAMO 1997/4: the POLYGON CLIPPING problem! | 454 | |
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393. | Brazil 2019 Junior 5: LONGEST JUNIOR OLYMPIAD SOLUTION | 453 | |
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394. | TWITCH SOLVES ISL #84 | 452 | |
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395. | Deux MO functional equation: MULTIPLICATIVE INVOLUTION BUT STILL NOT DONE?? | 446 | |
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396. | Shortlist 1995 N8: HOW MANY TIMES CAN WE SQUARE BOTH SIDES?? | 445 | |
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397. | TWITCH SOLVES ISL #81 | 442 | |
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398. | ELMO SL 2023 G7: A WILD ELLIPSE APPEARS | 442 | |
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399. | MOP Mini Puzzle Hunt advertisement! Arriving Friday June 25 | 442 | |
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400. | TWITCH SOLVES ISL #115 | 441 | |
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