When high is less than 0 at any time, it means that there are too many right parentheses low: the number of the left parenthesis when the asterisk is treated as the right parenthesis or empty charcter ...

678-valid-parenthesis-string.cpp File metadata and controls Code Blame 46 lines (42 loc) · 1.87 KB Raw 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 ...