AcWing 算法基础课

Java program with a LinkedList implementation using various operations on doubly linked list nodes.

Using a linked list to perform insertions, deletions, and additions based on user input.

Reading intervals, sorting them by start, merging overlapping intervals, and printing the count.

Managing arrays with additions and queries, utilizing streams and binary search for efficiency.

This Java program reads an integer n and an array of n integers. For each integer, it calculates and

Java program finds longest non-repeating subsequence length using sliding window and HashMap.

Java program checks if array 'a' is a subsequence of 'b', outputs "Yes" or "No."

Java program takes two arrays, finds pairs with sum equal to x, and outputs indices.

Java program calculates prefix sum matrix with difference array optimization for efficient updates.

The program computes differences in an array, updates specific ranges, and prints the final array.

Efficiently computes and prints submatrix sums based on prefix sums for given matrix and queries.

Efficiently computes and prints subarray sums based on prefix sums for given array and query ranges.

Divides a reversed digit list by a single-digit integer, outputting quotient and remainder.

Multiplies a reversed digit list by a single-digit integer, handling carry and leading zeros.

Subtracts two large numbers represented as reversed digit lists and handles sign and leading zeros.

Add two large numbers represented as reversed digit lists, handling carry and leading zeros efficie.

Java program uses binary search to approximate cubic root of user-inputted value, outputting result.

789. 数的范围 - AcWing题库 Question Content Solution Java

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787. 归并排序 - AcWing题库 Question Content 给定你一个长度为 n 的整数数列。 请你使用归并排序对这个数列按照从小到大进行排序。 并将排好序的数列按顺序输出。 输入格式