from phase4 import explainer as p4
p4._load_all_keys()
from orchestrator import detect, build_report

p4._load_all_keys()

ai_py = """
import sys
from collections import Counter
from typing import List

def solve(arr: List[int]) -> int:
    \"\"\"Find the maximum frequency of any element in the array.\"\"\"
    if not arr:
        return 0
    return max(Counter(arr).values())

def main() -> None:
    data = sys.stdin.read().split()
    idx = 0
    t = int(data[idx]); idx += 1
    for _ in range(t):
        n = int(data[idx]); idx += 1
        arr = list(map(int, data[idx:idx+n])); idx += n
        print(solve(arr))

if __name__ == "__main__":
    main()
"""

result = detect(ai_py, language="python", explain=True)
print(build_report(result))