How to implement basic Calculator with leetcode
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Implement a basic calculator to calculate the value of a simple string expression s.
Example 1:
Enter: s = "1 + 1"
Output: 2
Example 2:
Enter: s = "2-1 + 2"
Output: 3
Example 3:
Enter: s = "(1 + (4: 5)-3) + (6: 8)"
Output: 23
Tip:
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