'''
Given an array of operations ++x, x++, --x. x-- and an integer target, return an initial integer, so that the final value is the target value.

Example 1
Input:
["x++", "--x", "--x"], 12
Output:
13
'''

from typing import List

class Solution(object):
    def solve(self,ops:List[str], target:int) -> int:
        print(f"ops: {ops}, target: {target}")
        current = 0
        for op in ops:
            if op == "++x" or op == "x++":
                current += 1
            else:
                current -= 1
        return target - current

s = Solution()
print(s.solve(["x++", "--x", "--x"], 12))  # Output: 13
print(s.solve(["x++", "x++", "x--"], 2))  # Output: 1
print(s.solve(["--x", "x++", "x++"], 3))