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#!/usr/bin/env python
class Solution:
def minOperations(self, s: str) -> int:
f_c = 0
b_c = 0
cond = 48
for c in s:
if ord(c) != cond:
f_c += 1
if cond == 48:
cond = 49
else:
cond = 48
if ord(c) != cond:
b_c += 1
print(f_c, b_c)
return min(f_c, b_c)
def main():
solution = Solution()
print(solution.minOperations("0100"))
print(solution.minOperations("10"))
print(solution.minOperations("1111"))
print(solution.minOperations("1100010111"))
if __name__ == "__main__":
main()
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