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Hot problems
| Problem | Category | Points | AC % | Users | |
|---|---|---|---|---|---|
| El monstruo y el gato. | Uncategorized | 45p | 32.3% | 27 | |
| Los rayos de la tormenta | Olimpiada Cubana de Informática | 100p | 3.3% | 34 | |
| Diferencia. | Uncategorized | 100p | 33.0% | 148 | |
| Torre, Alfil y Rey | Olimpiada Cubana de Informática | 25p | 19.2% | 84 | |
| Roadblock | PSNIC | 100p | 12.4% | 38 | |
| ¡SOS! Buscando menores | PSNIC | 100p | 0.6% | 2 | |
| Lectura Veloz | USACO | 100p | 37.9% | 97 | |
| Lectura Veloz | Olimpiada Cubana de Informática | 100p | 34.3% | 90 | |
| Reconocimiento social | III Copa Nacional | 100p | 8.7% | 19 | |
| Rectángulos. | Uncategorized | 100p | 34.4% | 58 | |
| Rectangle Cutting. | CSES | 100p | 29.2% | 12 | |
| Red Confiable | Uncategorized | 100 | 6.5% | 20 | |
| Redistribución | Uncategorized | 100p | 31.8% | 35 | |
| Field Reduction | USACO | 100p | 34.0% | 17 | |
| Regados | COPA ABEL SANTAMARIA | 100p | 64.3% | 106 | |
| Reiner y Berthlot | USACO | 100p | 11.3% | 41 | |
| Rejilla de desplazamiento | COJ | 100p | 14.6% | 16 | |
| Carrera de Relevos. | USACO | 100p | 24.2% | 13 | |
| Relieve de columnas | COCI | 100p | 8.7% | 4 | |
| Reubicación | USACO | 100p | 28.8% | 23 | |
| Sumas y Restos | Atcoder | 100p | 3.5% | 8 | |
| Papitas fritas | Uncategorized | 100p | 7.4% | 4 | |
| Removal Game. | CSES | 100p | 58.8% | 8 | |
| Removing Digits. | CSES | 100p | 72.9% | 23 | |
| Removing Digits. | CSES | 100p | 84.4% | 26 | |
| Servicio de Renta | Olimpiada Cubana de Informática | 100p | 14.4% | 14 | |
| Reorganizando | PSNIC | 100p | 2.2% | 3 | |
| Repetitions. | CSES | 100p | 49.6% | 46 | |
| Fibonacci series | PSNIC | 100p | 1.5% | 1 | |
| Restaurant Customers. | CSES | 100p | 88.0% | 10 | |
| Mismos restos. | COCI | 100 | 22.3% | 18 | |
| Expresión de paréntesis. | Uncategorized | 100p | 2.6% | 2 | |
| Reunión de los estudiantes | PSNIC | 100p | 2.3% | 1 | |
| Aplicando Reverso | Olimpiada Cubana de Informática | 100p | 32.7% | 57 | |
| The Great Revegetation. | USACO | 100p | 59.6% | 11 | |
| Redistributing Gifts. | USACO | 100p | 9.5% | 2 | |
| Cruce de río. | USACO | 100p | 14.8% | 4 | |
| Robot desobediente | Codeforces | 100p | 30.7% | 163 | |
| Robots buscadores de agua | CIIC | 100p | 0.0% | 0 | |
| Cabezas de Rosas | Olimpiada Cubana de Informática | 45p | 16.0% | 35 | |
| Números Rounaround | USACO | 100p | 8.3% | 28 | |
| Diseño de Ruta | USACO | 100p | 42.9% | 3 | |
| Shortest Routes I. | CSES | 100p | 25.7% | 14 | |
| Shortest Routes II. | CSES | 100p | 29.7% | 15 | |
| Rectangular Pasture. | USACO | 100p | 33.3% | 3 | |
| El Arado Robot | Olimpiada Cubana de Informática | 100p | 65.1% | 83 | |
| Race. | USACO | 100p | 17.4% | 3 | |
| La Tarea de Rub | Olimpiada Cubana de Informática | 100p | 23.8% | 31 | |
| Corriendo Vueltas | USACO | 100 | 25.0% | 5 | |
| Pintura Rupestre | COJ | 100p | 12.7% | 52 |