Mastering Backtracking: Generating Increasing Subsequences and Permutations
This article delves into advanced backtracking techniques for solving common algorithmic problems, specifically focusing on generating increasing subsequences and permutations, including handling duplicates.
Generating Increasing Subsequences (Problem 491)
Given an integer array, the task is to find all increasing subsequences with a length of ...
Posted on Tue, 14 Jul 2026 17:10:59 +0000 by Dominator69
Solutions to AtCoder ABC 066
Problem A - Sum of Two Smallest Numbers
Statement:
Given three integers, output the sum of the two smallest values.
Solution:
Subtract the maximum value from the total sum.
int a, b, c; cin >> a >> b >> c;
cout << a + b + c - max({a, b, c}) << endl;
Problem B - Finding the Longest Even Prefix
Statement:
A string i ...
Posted on Sun, 10 May 2026 03:20:54 +0000 by mynameisbob