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Add typing to bitmask.py #9467

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6 changes: 3 additions & 3 deletions dynamic_programming/bitmask.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@


class AssignmentUsingBitmask:
def __init__(self, task_performed, total):
def __init__(self, task_performed: int, total: int):
self.total_tasks = total # total no of tasks (N)

# DP table will have a dimension of (2^M)*N
Expand All @@ -27,7 +27,7 @@ def __init__(self, task_performed, total):
# to 1
self.final_mask = (1 << len(task_performed)) - 1

def count_ways_until(self, mask, task_no):
def count_ways_until(self, mask: int, task_no: int) -> int:
# if mask == self.finalmask all persons are distributed tasks, return 1
if mask == self.final_mask:
return 1
Expand Down Expand Up @@ -60,7 +60,7 @@ def count_ways_until(self, mask, task_no):

return self.dp[mask][task_no]

def count_no_of_ways(self, task_performed):
def count_no_of_ways(self, task_performed: int) -> int:
# Store the list of persons for each task
for i in range(len(task_performed)):
for j in task_performed[i]:
Expand Down