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| 1 | +/* eslint-disable no-console */ |
| 2 | + |
| 3 | +// Definición de tipos |
| 4 | +type Student = { |
| 5 | + name: string; |
| 6 | + birthDate: string; |
| 7 | + grades: number[]; |
| 8 | +}; |
| 9 | + |
| 10 | +// Función que acepta una función como argumento y aplica esa función a una lista de números |
| 11 | +function applyToList(numbers: number[], operation: (num: number) => number): number[] { |
| 12 | + return numbers.map(operation); |
| 13 | +} |
| 14 | + |
| 15 | +// Función para duplicar un número |
| 16 | +function double(number: number): number { |
| 17 | + return number * 2; |
| 18 | +} |
| 19 | + |
| 20 | +// Usando la función applyToList con la función double |
| 21 | +const numbers: number[] = [1, 2, 3, 4]; |
| 22 | +const doubledNumbers: number[] = applyToList(numbers, double); |
| 23 | + |
| 24 | +console.log(doubledNumbers); // [2, 4, 6, 8] |
| 25 | + |
| 26 | +// Lista de estudiantes |
| 27 | +const students: Student[] = [ |
| 28 | + { name: 'Alice', birthDate: '1998-06-15', grades: [9.5, 8.7, 9.1] }, |
| 29 | + { name: 'Bob', birthDate: '2000-01-22', grades: [6.5, 7.0, 8.2] }, |
| 30 | + { name: 'Charlie', birthDate: '1999-11-30', grades: [9.2, 9.8, 10.0] }, |
| 31 | + { name: 'Diana', birthDate: '2001-04-10', grades: [8.5, 9.0, 9.3] }, |
| 32 | +]; |
| 33 | + |
| 34 | +// 1. Promedio de calificaciones |
| 35 | +const averageGrades = students.map((student) => { |
| 36 | + const average = student.grades.reduce((acc, grade) => acc + grade, 0) / student.grades.length; |
| 37 | + return { name: student.name, average }; |
| 38 | +}); |
| 39 | + |
| 40 | +// 2. Mejores estudiantes (con promedio >= 9) |
| 41 | +const bestStudents = averageGrades |
| 42 | + .filter((student) => student.average >= 9) |
| 43 | + .map((student) => student.name); |
| 44 | + |
| 45 | +// 3. Estudiantes ordenados por fecha de nacimiento (más jóvenes primero) |
| 46 | +const sortedByBirthDate = students |
| 47 | + .slice() |
| 48 | + .sort((a, b) => new Date(b.birthDate).getTime() - new Date(a.birthDate).getTime()); |
| 49 | + |
| 50 | +// 4. Mayor calificación |
| 51 | +const highestGrade = Math.max(...students.flatMap((student) => student.grades)); |
| 52 | + |
| 53 | +// Mostrar resultados |
| 54 | +console.log('Promedio de Calificaciones:', averageGrades); |
| 55 | +console.log('Mejores Estudiantes:', bestStudents); |
| 56 | +console.log( |
| 57 | + 'Estudiantes Ordenados por Fecha de Nacimiento:', |
| 58 | + sortedByBirthDate.map((student) => student.name), |
| 59 | +); |
| 60 | +console.log('Mayor Calificación:', highestGrade); |
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