Reason:
Different Coding Styles in problem B, C, F. (different variable naming method, one of them use std::vector while his other problems' code solution C-style arrays)
chenzheyuan, hprwhgsafwan12 and not.found
Similar code on problem C, D.
Also seems hprwhgsafwan12 used AI too.
Strange variable naming method.
Different header use styles.
Strange variable naming method.
Different header use styles.



