How to Solve Pairs of Songs With Total Durations Divisible by 60 Problem
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Pairs of Songs With Total Durations Divisible by 60
You are given a list of songs where the ith song has a duration of time[i] seconds. Return the number of pairs of songs for which their total duration in seconds is divisible by 60. Formally, we want ...
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Understanding the Pairs of Songs With Total Durations Divisible by 60 Problem
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Problem Statement
You are given a list of songs where the ith song has a duration of time[i] seconds. Return the number of pairs of songs for which their total duration in seconds is divisible by 60. Formally, we want the number of indices i, j such that i < j with (time[i] + time[j]) % 60 == 0.
Pairs of Songs With Total Durations Divisible by 60
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Examples
time = [30,20,150,100,40]3Three pairs have a total duration divisible by 60: (time[0] = 30, time[2] = 150): total duration 180 (time[1] = 20, time[3] = 100): total duration 120 (time[1] = 20, time[4] = 40): total duration 60
time = [60,60,60]3All three pairs have a total duration of 120, which is divisible by 60.
Constraints
1 <= time.length <= 6 * 1041 <= time[i] <= 500How Interview Coder Helps with Leetcode Problems
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