Active Gym Trainers This Week
Active Gym Trainers This Week
EasyArrays0% accepted
Priya manages Cult.fit's Bangalore center. Her system logs trainer IDs for each hourly slot throughout the week. She needs to know how many distinct trainers worked to calculate weekly payroll bonuses.
Approach
Given array of trainer IDs assigned to daily slots, count total distinct trainers.
Input
trainers=[101,102,101,103,102,104]
Output
4
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