Take the input string and words from the user. Find an efficient algorithm to find the smallest distance (measured in number of words) between any two given words in that string. If no such words are present in that string it should return "None".For example, given a text content of "dog cat hello cat dog dog hello cat world" and words are "hello" and "world" it should return 1 because there's only one word "cat" in between the two words.Sample Test CasesTest Case 1:Expected Output:Enter·the·text:·dog cat hello cat dog dog hello cat worldEnter·a·word·from·the·given·text:·helloEnter·another·word·from·the·given·text:·world1Test Case 2:Expected Output:Enter·the·text:·python eats another pythonEnter·a·word·from·the·given·text:·pythonEnter·another·word·from·the·given·text:·animalNone
Question
Take the input string and words from the user. Find an efficient algorithm to find the smallest distance (measured in number of words) between any two given words in that string. If no such words are present in that string it should return "None".For example, given a text content of "dog cat hello cat dog dog hello cat world" and words are "hello" and "world" it should return 1 because there's only one word "cat" in between the two words.Sample Test CasesTest Case 1:Expected Output:Enter·the·text:·dog cat hello cat dog dog hello cat worldEnter·a·word·from·the·given·text:·helloEnter·another·word·from·the·given·text:·world1Test Case 2:Expected Output:Enter·the·text:·python eats another pythonEnter·a·word·from·the·given·text:·pythonEnter·another·word·from·the·given·text:·animalNone
Solution
Claro, aquí tienes una solución paso a paso para encontrar la distancia más pequeña entre dos palabras en una cadena de texto dada:
-
Entrada de datos:
- Solicita al usuario que ingrese el texto.
- Solicita al usuario que ingrese la primera palabra.
- Solicita al usuario que ingrese la segunda palabra.
-
Verificación de palabras en el texto:
- Divide el texto en una lista de palabras.
- Verifica si ambas palabras están presentes en la lista de palabras. Si alguna de las palabras no está presente, devuelve "None".
-
Cálculo de la distancia mínima:
- Recorre la lista de palabras y guarda las posiciones de las dos palabras en listas separadas.
- Calcula la distancia mínima entre las posiciones de las dos palabras.
-
Salida de datos:
- Imprime la distancia mínima calculada.
Aquí está el código que implementa este algoritmo:
# Paso 1: Entrada de datos
texto = input("Enter the text: ")
palabra1 = input("Enter a word from the given text: ")
palabra2 = input("Enter another word from the given text: ")
# Paso 2: Verificación de palabras en el texto
palabras = texto.split()
if palabra1 not in palabras or palabra2 not in palabras:
print("None")
else:
# Paso 3: Cálculo de la distancia mínima
posiciones1 = [i for i, palabra in enumerate(palabras) if palabra == palabra1]
posiciones2 = [i for i, palabra in enumerate(palabras) if palabra == palabra2]
distancia_minima = float('inf')
for pos1 in posiciones1:
for pos2 in posiciones2:
distancia = abs(pos1 - pos2) - 1
if distancia < distancia_minima:
distancia_minima = distancia
# Paso 4: Salida de datos
print(distancia_minima)
Casos de prueba:
-
Caso de prueba 1:
- Entrada:
Enter the text: dog cat hello cat dog dog hello cat world Enter a word from the given text: hello Enter another word from the given text: world - Salida esperada:
1
- Entrada:
-
Caso de prueba 2:
- Entrada:
Enter the text: python eats another python Enter a word from the given text: python Enter another word from the given text: animal - Salida esperada:
None
- Entrada:
Este código debería funcionar correctamente para los casos de prueba proporcionados y cualquier otro caso similar.
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