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Decode a nested string by introducing repetitive substrings and removing numbers

Sumit Rawal answered on September 6, 2023 Popularity 1/10 Helpfulness 1/10

answer Decode a nested string by introducing repetitive substrings and removing numbers

related Decode a nested string by introducing repetitive substrings and removing numbers

Decode a nested string by introducing repetitive substrings and removing numbers

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def decode_nested_string(input_string):
    stack = []

    for char in input_string:
        if char.isdigit():
            # If the character is a digit, accumulate it to form a number
            num = char
            while stack and stack[-1].isdigit():
                num = stack.pop() + num
            stack.append(int(num))
        elif char == "[":
            # Start of a new substring, push it onto the stack
            stack.append(char)
        elif char == "]":
            # End of a substring, pop the stack to gather the substring and its repeat count
            substring = ""
            while stack and stack[-1] != "[":
                substring = stack.pop() + substring
            stack.pop()  # Remove the "[" character
            repeat_count = stack.pop()
            stack.append(substring * repeat_count)
        else:
            # Regular character, append it to the stack
            stack.append(char)

    return "".join(stack)

# Example usage:
input_string = "3[a2[b]c]"

decoded_string = decode_nested_string(input_string)
print("Decoded String:", decoded_string)

Popularity 1/10 Helpfulness 1/10 Language python

Source: chat.openai.com

Tags: decode nested numbers python string

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Contributed on Sep 06 2023

Sumit Rawal

0 Answers Avg Quality 2/10

Closely Related Answers

Decode a nested string by introducing repetitive substrings and removing numbers

Comment

def decode_nested_string(input_string):
    stack = []

    for char in input_string:
        if char.isdigit():
            # If the character is a digit, accumulate it to form a number
            num = char
            while stack and stack[-1].isdigit():
                num = stack.pop() + num
            stack.append(int(num))
        elif char == "[":
            # Start of a new substring, push it onto the stack
            stack.append(char)
        elif char == "]":
            # End of a substring, pop the stack to gather the substring and its repeat count
            substring = ""
            while stack and stack[-1] != "[":
                substring = stack.pop() + substring
            stack.pop()  # Remove the "[" character
            repeat_count = stack.pop()
            stack.append(substring * repeat_count)
        else:
            # Regular character, append it to the stack
            stack.append(char)

    return "".join(stack)

# Example usage:
input_string = "3[a2[b]c]"

decoded_string = decode_nested_string(input_string)
print("Decoded String:", decoded_string)

Popularity 1/10 Helpfulness 1/10 Language python

Source: chat.openai.com

Tags: numbers python string decode nested

Link to this answer
Share Copy Link

Contributed on Sep 06 2023

Sumit Rawal

0 Answers Avg Quality 2/10

Decode a nested string by introducing repetitive substrings and removing numbers

Comment

def decode_nested_string(input_string):
    stack = []

    for char in input_string:
        if char.isdigit():
            # If the character is a digit, accumulate it to form a number
            num = char
            while stack and stack[-1].isdigit():
                num = stack.pop() + num
            stack.append(int(num))
        elif char == "[":
            # Start of a new substring, push it onto the stack
            stack.append(char)
        elif char == "]":
            # End of a substring, pop the stack to gather the substring and its repeat count
            substring = ""
            while stack and stack[-1] != "[":
                substring = stack.pop() + substring
            stack.pop()  # Remove the "[" character
            repeat_count = stack.pop()
            stack.append(substring * repeat_count)
        else:
            # Regular character, append it to the stack
            stack.append(char)

    return "".join(stack)

# Example usage:
input_string = "3[a2[b]c]"

decoded_string = decode_nested_string(input_string)
print("Decoded String:", decoded_string)

Popularity 1/10 Helpfulness 1/10 Language python

Source: chat.openai.com

Tags: numbers python string decode nested

Link to this answer
Share Copy Link

Contributed on Sep 06 2023

Sumit Rawal

0 Answers Avg Quality 2/10

Decode a nested string by introducing repetitive substrings and removing numbers

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Decode a nested string by introducing repetitive substrings and removing numbers

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Decode a nested string by introducing repetitive substrings and removing numbers

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