Efficient Subarray, Matrix Generation, and Prefix Sum Techniques in C++
Sliding Window Technique
LeetCode 209: Find the minimal length of a contiguous subarray of which the sum is at least target.
class Solution {
public:
int minSubArrayLen(int target, vector<int>& nums) {
int minLen = INT_MAX;
int windowSum = 0;
int left = 0;
int currentLen = 0;
for (int right ...
Posted on Sat, 31 Oct 2026 16:14:23 +0000 by programming_passion