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Version:
v1.5.1
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Published: Dec 8, 2019
License: MIT
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README
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Implement a basic calculator to evaluate a simple expression string.
The expression string contains only non-negative integers, +
, -
, *
, /
operators and empty spaces
. The integer division should truncate toward zero.
Example 1:
Input: "3+2*2"
Output: 7
Example 2:
Input: " 3/2 "
Output: 1
Example 3:
Input: " 3+5 / 2 "
Output: 5
Note:
- You may assume that the given expression is always valid.
- Do not use the
eval
built-in library function.
[String]
Similar Questions
- Basic Calculator (Hard)
- Expression Add Operators (Hard)
- Basic Calculator III (Hard)
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