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- def solution(M, A):
- l = len(A)
- distinct_slice_count = l
- # caterpillar method to solve it.
- for p in range(l - 1):
- unique_vals = set([A[p]])
- for q in range(p + 1, l):
- if A[q] in unique_vals:
- break
- else:
- unique_vals.add(A[q])
- distinct_slice_count += 1
- return distinct_slice_count
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