Problems
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| Problem | Category | Points | AC % | Users | |
|---|---|---|---|---|---|
| Daisy Chains. | USACO | 100p | 60.0% | 18 | |
| Coin Combinations II. | CSES | 100p | 28.9% | 51 | |
| Formación de Equipos en el Castillo Negro | COPA ABEL SANTAMARIA | 100p | 23.9% | 50 | |
| Exponentiation II. | CSES | 100p | 18.8% | 31 | |
| Two Knights. | CSES | 100p | 61.1% | 43 | |
| Watching Mooloo. | USACO | 100p | 67.6% | 10 | |
| Reordenamiento de la Guardia | COPA ABEL SANTAMARIA | 100p | 11.5% | 19 | |
| Cadena de tres Fibonacci. | Uncategorized | 100p | 36.0% | 33 | |
| Monitoreo de la guardia de la noche | COPA ABEL SANTAMARIA | 100p | 8.4% | 6 | |
| Riego de los Campos | COPA ABEL SANTAMARIA | 100p | 22.4% | 24 | |
| A*B*C | Uncategorized | 100p | 29.8% | 183 | |
| ABC | USACO | 100p | 44.4% | 103 | |
| Land Acquisition | USACO | 100p | 16.6% | 15 | |
| El Acróbata de Circo. | Olimpiada Cubana de Informática | 100p | 26.2% | 98 | |
| Reparando acrósticos | Entrenamiento Elemental | 100p | 53.9% | 172 | |
| Arroz curioso | Uncategorized | 100p | 21.9% | 40 | |
| Adicional | Copa Nacional | 100p | 11.1% | 5 | |
| Adición y Multiplicación. | Olimpiada Cubana de Informática | 100p | 16.5% | 76 | |
| Descubriendo ADN | COCI | 100p | 11.2% | 64 | |
| Advertisement. | CSES | 100p | 21.1% | 32 | |
| Juego AB | Entrenamiento Avanzado | 100p | 10.9% | 34 | |
| Agentes | Polish Olympiad | 100p | 3.9% | 3 | |
| Air Cownditioning II. | USACO | 100p | 62.5% | 10 | |
| Aislador | PSNIC | 100p | 34.4% | 157 | |
| Alex y la Cadena | PSNIC | 100p | 11.2% | 54 | |
| Alex y el Valor Esperado | COJ Round 8 (by dcordb) | 100p | 11.2% | 11 | |
| Alex y la IOI | III Copa Nacional | 100p | 38.9% | 520 | |
| Alex y su árbol | PSNIC | 100p | 10.0% | 24 | |
| Alex y su país | PSNIC | 100p | 9.9% | 22 | |
| Verificando una coartada. | USACO | 100p | 34.8% | 105 | |
| Casi todos los divisores | Uncategorized | 100p | 13.7% | 80 | |
| All Palindromes. | CSES | 100p | 40.0% | 1 | |
| Valor de Amistad. | Olimpiada Cubana de Informática | 100p | 2.5% | 3 | |
| Angry Cows. | USACO | 100p | 14.6% | 6 | |
| Another Game. | CSES | 100p | 43.2% | 8 | |
| Números antiprimos | Polish Olympiad | 100p | 15.0% | 28 | |
| La antena de Etecsa | Uncategorized | 100p | 15.0% | 249 | |
| Antimonotonía | COJ | 100p | 16.2% | 20 | |
| Hormigas en la raíz | PSNIC | 100p | 50.0% | 2 | |
| Apagones | COPA ABEL SANTAMARIA | 100p | 10.4% | 19 | |
| Apartments. | CSES | 100p | 21.4% | 40 | |
| Alex y la casi-permutación | UCLV Selection | 100p | 22.2% | 5 | |
| A Plus B | Super simples | 5p | 35.8% | 1347 | |
| Entrega de Manzanas | USACO | 100p | 30.0% | 121 | |
| Apple Division. | CSES | 100 | 38.2% | 46 | |
| Hormigas en el Árbol | UCLV Selection | 100p | 10.7% | 6 | |
| Polygon Area. | CSES | 100p | 54.3% | 7 | |
| Area of Rectangles. | CSES | 100p | 50.0% | 2 | |
| Aritmética Fácil | Olimpiada Cubana de Informática | 100p | 9.2% | 19 | |
| La progresión armónica | PSNIC | 100p | 11.1% | 17 |