Very easy solution.
Code\npython3 []\nclass Solution:\n    def getMaxRepetitions(self, s1: str, n1: int, s2: str, n2: int) -> int:\n        # Initialize list to track repetitions a
# Code\n```python3 []\nclass Solution:\n    def getMaxRepetitions(self, s1: str, n1: int, s2: str, n2: int) -> int:\n        # Initialize list to track repetitions and dictionary to store cycle information\n        repetitions, cycle_map = [0], defaultdict(int)\n        cycle_count = search_position = s1_position = s2_position = 0\n\n        # Early exit if s2 has characters not present in s1\n        if not set(s2).issubset(set(s1)):\n            return 0\n\n        # Filter s1 to include only characters that are also in s2\n        filtered_s1 = \'\'.join(char for char in s1 if char in set(s2))\n\n        # Main loop to match characters of s2 in s1 and track repetitions\n        while True:\n            for char in s2:\n                found_position = filtered_s1.find(char, search_position)\n                if found_position == -1:\n                    cycle_count += 1\n                    found_position = filtered_s1.find(char)\n                search_position = found_position + 1\n            repetitions.append(cycle_count + 1)\n            if repetitions[-1] > n1:\n                return (len(repetitions) - 2) // n2\n\n            if found_position not in cycle_map:\n                cycle_map[found_position] = len(repetitions) - 1\n            else:\n                break\n\n        # Cycle detection and calculations for remaining iterations\n        cycle_start_position = repetitions[cycle_map[found_position]]\n        cycle_length_in_s1 = cycle_count + 1 - cycle_start_position\n        cycle_length_in_repetitions = len(repetitions) - 1 - cycle_map[found_position]\n        remaining_iterations = n1 - cycle_start_position\n\n        # Calculate remaining repetitions\n        remainder_cycles = cycle_start_position + remaining_iterations % cycle_length_in_s1\n\n        # Find where to stop after remainder calculations\n        while repetitions[s2_position] <= remainder_cycles:\n            s2_position += 1\n\n        return (cycle_length_in_repetitions * (remaining_iterations // cycle_length_in_s1) + s2_position - 1) // n2\n\n```
['Python3']