How should I practice Apply Binary State Operations?

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Apply Binary State Operations

ZipRecruiter● EasyNEW GRADOA

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Problem statement

For this exercise, assume the initial binary state is supplied as a string state. Apply the strings in operations from left to right:

"L": find the smallest index whose current value is 0 and change it to 1. If no zero remains, do nothing.
"Cj": change the value at zero-based index j to 0, regardless of its current value. The index may contain more than one digit.

Return the final binary state as a string.

Function

applyBinaryStateOperations(state: String, operations: String[]) → String

Examples

Example 1

state = "00100"operations = ["L","C2","L"]return = "11000"

The first load sets index 0, producing 10100. Clearing index 2 produces 10000. The final load sets the new leftmost zero at index 1.

Example 2

state = "111"operations = ["L","C1","L"]return = "111"

The first load has no zero to change. Clearing index 1 creates the state 101, and the final load sets that position back to 1.

Constraints

1 <= state.length <= 100000
state contains only 0 and 1.
1 <= operations.length <= 100000
Every operation is either "L" or "Cj" for a valid index 0 <= j < state.length.