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FastPrepMeeting Rooms II

Problem · Array

Meeting Rooms II

● Medium

AmazonNEW GRADINTERNPHONE SCREENONSITE INTERVIEW

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Problem statement

Given an array of meeting time intervals intervals , where intervals[i] =...

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Examples

Example 1

intervals = [[0,30],[5,10],[15,20]]return = 2

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CodePython 3

import heapq
from collections import defaultdict
 
class Solution:
    def solve(self, values, queries):
        # Build the adjacency structure
        n = len(values)
        graph = defaultdict(list)
        for u, v in queries:
            graph[u].append(v)
 
        best = [float("inf")] * n
        heap = [(0, 0)]
        while heap:
            cost, node = heapq.heappop(heap)
            if cost > best[node]:
                continue

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