Two Algorithm Problems: Ring Position Simulation and Game Theory Analysis
Problem 1: Ring Position Simulation
Description:
There are $2n$ people standing in two rings of size $n$ each. They are numbered from $1$ to $2n$, where positions $1$ to $n$ form ring 1 and positions $n+1$ to $2n$ form ring 2.
Both rings start counting from $1$ simultaneously. Ring 1 starts from person $1$, and ring 2 starts from person $n+1$. ...
Posted on Wed, 13 May 2026 03:15:34 +0000 by Canadian
Array-Based Problem Solving: Statistics, Peaks, Gene Filtering, Height Analysis, and Score Distribution
Overview
This section addresses fundamental array manipulation problems, covering tasks such as compuitng score statistics, identifying peak elements, filtering genetic sequences, determining family members exceeding average height, and analyzing exam score distributions.
Problem 1: Basic Score Statistics
Description:
After an examination, a te ...
Posted on Mon, 11 May 2026 12:27:44 +0000 by drax007
Minimum Path Sum in a Grid Using Dynamic Programming
Given a grid of non-negative integers, find the path from the top-left corner to the bottom-right corner that miniimzes the sum of the values along the path. Movement is restricted to only down or right directions.
Example 1:
Input: [[1,3,1],[1,5,1],[4,2,1]]
Output: 7
Explanation: The path 1→3→1→1→1 yields the minimum sum.
Example 2:
Input: [[1 ...
Posted on Sun, 10 May 2026 08:09:15 +0000 by tcl4p
Minimum Days to Create m Bouquets Using Binary Search
Problem Overview
Given an array bloomDay where bloomDay[i] represents the day on which the i-th flower blooms, determine the minimum number of days required to make m bouquets. Each bouquet requires exactly k adjacent flowers that have already bloomed.
If it's impossible to create m bouquets (insufficient flowers), return -1.
Constraints
1 < ...
Posted on Sat, 09 May 2026 21:41:34 +0000 by dujed
One-Dimensional Array
Creating Arrays
Creating and Initializing One-Dimensional Arrays:
Declaring an array:
int[] myIntArray; // Declares an integer array
Allocating memory (initializing the array):
myIntArray = new int[5]; // Allocates an array that can store 5 integers
Assigning array elements:
myIntArray[0] = 10;
myIntArray[1] = 20;
myIntArray[2] = 30;
my ...
Posted on Fri, 08 May 2026 02:42:51 +0000 by tqla