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Hot problems
| Problem | Category | Points | AC % | Users | |
|---|---|---|---|---|---|
| Nave intergaláctica | PSNIC | 100 | 4.3% | 2 | |
| Tira y Afloja | PSNIC | 100p | 0.9% | 2 | |
| Cubo de Palabras | PSNIC | 100p | 33.3% | 3 | |
| Diámetro | PSNIC | 100p | 2.0% | 3 | |
| Limpiando un árbol | PSNIC | 100p | 3.9% | 2 | |
| Star Trek | PSNIC | 100p | 7.4% | 3 | |
| Cerca elegante | PSNIC | 100p | 2.5% | 6 | |
| Potencias Cuadradas | Olimpiada Cubana de Informática | 100p | 16.6% | 36 | |
| Caminando entre Pastizales. | Olimpiada Cubana de Informática | 100p | 57.0% | 86 | |
| Falla de Energía. | USACO | 100p | 21.1% | 7 | |
| Pyramid Array. | CSES | 100p | 100.0% | 2 | |
| Pyramid Base | IOI | 100 | 0.0% | 0 | |
| Xor Pyramid Diagonal. | CSES | 100p | 100.0% | 2 | |
| Static Range Minimum Queries. | CSES | 100p | 62.9% | 34 | |
| Queries y LCPs | COJ Round 8 (by dcordb) | 100p | 23.4% | 12 | |
| Radio Contact. | USACO | 100p | 58.3% | 6 | |
| Criando Bacterias | Olimpiada Cubana de Informática | 100p | 29.6% | 308 | |
| La rana Cruana | 7mo Entrenamiento para el Preuniversitario en la UCI | 100p | 8.0% | 31 | |
| Range Interval Queries. | CSES | 100p | 50.0% | 8 | |
| Multiplicación en Rango | Olimpiada Cubana de Informática | 100p | 12.7% | 71 | |
| Range Queries and Copies. | CSES | 100p | 83.3% | 4 | |
| Static Range Sum Queries. | CSES | 100p | 72.7% | 37 | |
| ¿Otro problema de segment tree? | 7mo Entrenamiento para el Preuniversitario en la UCI | 100p | 18.7% | 141 | |
| Range Update Queries. | CSES | 100p | 62.8% | 25 | |
| Range Xor Queries. | CSES | 100p | 72.9% | 32 | |
| Clasificando las Vacas | Olimpiada Cubana de Informática | 100p | 40.5% | 13 | |
| Información entre personas en los Rascacielos | Uncategorized | 100p | 7.8% | 5 | |
| El monstruo y el gato. | Uncategorized | 45p | 32.0% | 29 | |
| Los rayos de la tormenta | Olimpiada Cubana de Informática | 100p | 3.6% | 38 | |
| Diferencia. | Uncategorized | 100p | 34.5% | 187 | |
| Torre, Alfil y Rey | Olimpiada Cubana de Informática | 25p | 23.3% | 107 | |
| Roadblock | USACO | 100p | 13.4% | 50 | |
| ¡SOS! Buscando menores | PSNIC | 100p | 1.2% | 4 | |
| Reachability Queries. | CSES | 100p | 100.0% | 1 | |
| Reachable Nodes. | CSES | 100p | 62.5% | 5 | |
| Lectura Veloz. | USACO | 100p | 39.2% | 125 | |
| Reading Books. | CSES | 100p | 44.4% | 22 | |
| Lectura Veloz | Olimpiada Cubana de Informática | 100p | 39.0% | 121 | |
| Reconocimiento social | III Copa Nacional | 100p | 9.0% | 22 | |
| Rectángulos. | Concurso Provincial VCL | 100p | 36.0% | 80 | |
| Rectangle Cutting. | CSES | 100p | 30.0% | 23 | |
| Red Confiable. | Uncategorized | 100p | 7.4% | 24 | |
| Redistribución de regalos. | USACO | 100p | 50.0% | 1 | |
| Redistribución. | Uncategorized | 100p | 37.3% | 46 | |
| Red Moo. | USACO | 100p | 25.0% | 1 | |
| Field Reduction | USACO | 100p | 35.0% | 20 | |
| Regados | COPA ABEL SANTAMARIA | 100p | 66.4% | 136 | |
| Reiner y Berthlot | USACO | 100p | 12.8% | 55 | |
| Rejilla de desplazamiento | COJ | 100p | 17.1% | 25 | |
| Retransmisión de mensajes. | USACO | 100p | 60.0% | 6 |