| ID | Title | Ratio(AC/submit) |
Date |
| 3353 | Nuevo-Romano | 9%(54/597) | Mar 4, 2026 |
| 3391 | The Bug Sensor Problem | 9%(162/1676) | Apr 4, 2026 |
| 3362 | 20-Four | 10%(16/160) | Jun 3, 2026 |
| 3354 | Connect the Dots | 12%(27/208) | Mar 23, 2026 |
| 3389 | Kennings | 16%(102/636) | Apr 4, 2026 |
| 3383 | Equation | 16%(19/117) | Mar 18, 2026 |
| 3395 | Shift Cipher | 16%(169/1021) | Mar 16, 2026 |
| 3355 | Boundary Points | 17%(406/2289) | Mar 16, 2026 |
| 3376 | Finding Palindromes | 18%(1255/6791) | Aug 15, 2026 |
| 3329 | Twirl Around | 18%(67/357) | Mar 18, 2026 |
| 3319 | Dragon Slayer Qualification Exam | 19%(164/857) | Nov 24, 2025 |
| 3377 | Ferry Lanes | 19%(1306/6628) | Aug 8, 2026 |
| 3382 | Deciphering | 19%(88/446) | Mar 18, 2026 |
| 3324 | Lucas-Lehmer Test | 20%(176/863) | Jan 7, 2026 |
| 3350 | Bowling for Numbers++ | 20%(223/1071) | May 22, 2026 |
| 3323 | Bloxorz II | 22%(267/1161) | Dec 10, 2025 |
| 3375 | Network Connection | 23%(993/4194) | Aug 10, 2026 |
| 3399 | Product | 23%(808/3380) | Aug 8, 2026 |
| 3318 | Matrix Multiplication | 23%(6535/27284) | Aug 6, 2026 |
| 3349 | Snowflake
Snow
Snowflakes | 25%(16090/63239) | Aug 9, 2026 |
| 3306 | Busy Airport | 25%(173/679) | Mar 4, 2026 |
| 3309 | Unlucky Luke! | 25%(177/693) | Mar 6, 2026 |
| 3378 | Crazy Thairs | 25%(2068/8073) | Aug 7, 2026 |
| 3360 | Take a Walk | 25%(463/1787) | Aug 29, 2026 |
| 3392 | Pitcher Rotation | 26%(168/644) | Jan 8, 2026 |
| 3339 | Team Arrangement | 26%(670/2548) | Aug 9, 2026 |
| 3351 | Gerrymandering | 26%(176/666) | Dec 1, 2025 |
| 3374 | Cake Share | 26%(869/3288) | Aug 8, 2026 |
| 3379 | Alphabet | 26%(162/610) | Dec 17, 2025 |
| 3357 | Oreon | 26%(605/2274) | Aug 13, 2026 |
| 3380 | Bridges | 27%(614/2241) | Aug 14, 2026 |
| 3388 | Japanese Puzzle | 27%(711/2566) | Mar 18, 2026 |
| 3321 | Apple Tree | 28%(15569/54069) | Sep 4, 2026 |
| 3397 | Click the Lines | 29%(75/258) | Dec 10, 2025 |
| 3305 | Surveillance | 29%(103/354) | Apr 5, 2026 |
| 3333 | Co-workers from Hell | 29%(407/1397) | Sep 5, 2026 |
| 3303 | Halls | 29%(539/1840) | Aug 29, 2026 |
| 3387 | Ideal Frame | 29%(59/201) | Dec 10, 2025 |
| 3308 | Paratroopers | 29%(2940/10015) | Aug 6, 2026 |
| 3384 | Feng Shui | 29%(2282/7737) | Sep 3, 2026 |
| 3358 | Period of an Infinite Binary Expansion | 29%(1311/4424) | Aug 8, 2026 |
| 3385 | Genealogy | 29%(960/3237) | Aug 8, 2026 |
| 3367 | Expressions | 29%(1500/5011) | Aug 18, 2026 |
| 3341 | Calculating Taxi Fare | 30%(163/535) | Dec 10, 2025 |
| 3394 | Route Planning | 30%(365/1189) | Aug 29, 2026 |
| 3322 | Bloxorz I | 30%(3030/9868) | Aug 7, 2026 |
| 3345 | Bribing FIPA | 30%(2132/6923) | Aug 10, 2026 |
| 3337 | Expression Evaluator | 30%(699/2269) | Aug 9, 2026 |
| 3381 | Confectionery | 30%(88/285) | Dec 10, 2025 |
| 3336 | ACM Underground | 31%(102/327) | Dec 10, 2025 |
| 3320 | Jessica's Reading Problem | 31%(10136/32467) | Sep 3, 2026 |
| 3301 | Texas Trip | 31%(2425/7657) | Aug 25, 2026 |
| 3330 | Dr. Podboq or: How We Became Asymmetric | 31%(114/358) | Dec 10, 2025 |
| 3343 | Against Mammoths | 31%(665/2082) | Aug 15, 2026 |
| 3371 | Flesch Reading Ease | 32%(852/2661) | Aug 9, 2026 |
| 3396 | A Scheduling Problem | 32%(109/336) | Dec 10, 2025 |
| 3304 | Segments | 32%(8628/26373) | Sep 3, 2026 |
| 3373 | Changing Digits | 33%(1395/4192) | Aug 8, 2026 |
| 3368 | Frequent values | 33%(11045/33148) | Sep 2, 2026 |
| 3370 | Halloween treats | 33%(4176/12444) | Aug 30, 2026 |
| 3361 | Gaussian Prime Factors | 33%(506/1491) | Aug 15, 2026 |
| 3334 | Connected Gheeves | 34%(407/1178) | Aug 29, 2026 |
| 3342 | Party at Hali-Bula | 34%(3073/8841) | Aug 6, 2026 |
| 3393 | Lucky and Good Months by Gregorian Calendar | 35%(861/2443) | Aug 9, 2026 |
| 3340 | Barbara Bennett's Wild Numbers | 36%(1196/3241) | Aug 21, 2026 |
| 3356 | AGTC | 36%(6211/16798) | Jul 25, 2026 |
| 3344 | Chessboard Dance | 37%(568/1531) | Aug 10, 2026 |
| 3313 | The Mastermind Master's Mind | 37%(105/283) | Mar 4, 2026 |
| 3327 | Cut the Cake | 37%(627/1671) | Aug 9, 2026 |
| 3315 | Roofing It | 37%(153/407) | Dec 10, 2025 |
| 3316 | Snakes on a Plane | 38%(520/1368) | Aug 13, 2026 |
| 3328 | Cliff Climbing | 38%(896/2355) | Aug 9, 2026 |
| 3369 | Grocery store | 38%(661/1723) | Mar 16, 2026 |
| 3317 | Stake Your Claim | 38%(663/1720) | Aug 26, 2026 |
| 3332 | Parsing Real Numbers | 38%(1096/2821) | Aug 8, 2026 |
| 3335 | Rotating Scoreboard | 39%(4229/10824) | Sep 4, 2026 |
| 3312 | Mahershalalhashbaz, Nebuchadnezzar, and Billy Bob
Benjamin Go to the Regionals | 40%(1075/2629) | Aug 7, 2026 |
| 3347 | Kadj Squares | 41%(1946/4732) | Sep 1, 2026 |
| 3365 | Cylinder | 41%(777/1879) | Aug 8, 2026 |
| 3307 | Smart Sister | 41%(975/2342) | Aug 8, 2026 |
| 3386 | Halloween Holidays | 42%(1858/4339) | Jul 25, 2026 |
| 3348 | Cows | 42%(6241/14558) | Aug 19, 2026 |
| 3346 | Treasure of the Chimp Island | 44%(365/829) | Aug 29, 2026 |
| 3310 | Caterpillar | 45%(1403/3110) | Aug 7, 2026 |
| 3398 | Perfect Service | 46%(1225/2661) | Aug 18, 2026 |
| 3314 | Plaque Pack | 47%(487/1027) | Aug 13, 2026 |
| 3300 | Tour de France | 47%(2147/4499) | Jan 9, 2026 |
| 3326 | Analyzing Login/Logout Records | 47%(766/1599) | Nov 26, 2025 |
| 3352 | Road Construction | 48%(9247/18917) | Aug 5, 2026 |
| 3359 | Wordfish | 48%(552/1128) | Aug 13, 2026 |
| 3331 | The Idiot of the Year Contest! | 51%(2155/4198) | Jun 20, 2026 |
| 3311 | Hie with the Pie | 51%(8181/15802) | Aug 21, 2026 |
| 3390 | Print Words in Lines | 53%(940/1749) | Aug 8, 2026 |
| 3366 | Deli Deli | 55%(2428/4393) | Apr 4, 2026 |
| 3372 | Candy Distribution | 55%(4146/7456) | Apr 4, 2026 |
| 3302 | Subsequence | 58%(5125/8812) | Jun 15, 2026 |
| 3338 | Rectangle Cutting | 63%(882/1387) | Jun 15, 2026 |
| 3363 | Annoying painting tool | 64%(1377/2127) | Jun 15, 2026 |
| 3364 | Black and white painting | 67%(1985/2940) | Jun 15, 2026 |
| 3325 | ICPC Score Totalizer Software | 70%(5173/7353) | Jul 5, 2026 |
