Fatal error: Uncaught ValueError: count_chars(): Argument #2 ($mode) must be between 0 and 4 (inclusive) in /in/Km84k:2
Stack trace:
#0 /in/Km84k(2): count_chars('1AABBCCCDDDDDDD', 5)
#1 {main}
thrown in /in/Km84k on line 2
Process exited with code 255.
Fatal error: Uncaught ValueError: count_chars(): Argument #2 ($mode) must be between 1 and 4 (inclusive) in /in/Km84k:2
Stack trace:
#0 /in/Km84k(2): count_chars('1AABBCCCDDDDDDD', 5)
#1 {main}
thrown in /in/Km84k on line 2
Process exited with code 255.