#64Medium#38 in Expedia Group's list· asked at 14 companies
Basic Calculator II
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What we know
Example 1
Input: s = "3+2*2" Output: 7
Example 2
Input: s = " 3/2 " Output: 1
Example 3
Input: s = " 3+5 / 2 " Output: 5
Constraints
- •
1 <= s.length <= 3 * 10^5 - •
sconsists of integers and operators ('+', '-', '*', '/') separated by some spaces. - •
The answer fits in a 32-bit integer.