#algorithms code explainers

python

import time
import threading

rate-limiting concurrency locking

Intermediate 6 steps

python

from collections import deque
 
 
def bfs(graph, start):

graph-traversal bfs queue

Intermediate 9 steps

java

import java.util.*;
 
public class TopologicalSort {

graphs topological-sort bfs

Intermediate 6 steps

java

import java.util.Arrays;
 
public class SlidingWindow {
    // Returns the maximum sum of any contiguous subarray of length k.

sliding-window arrays algorithms

Intermediate 8 steps

ruby

# Binary search using Ruby's built-in Array#bsearch.
#
# There are two modes:
#   1. find-minimum mode  -> block returns true/false (monotonic)

binary-search algorithms ranges

Intermediate 7 steps