SOLUTION_TEMPLATE.java

/*
 * ────────────────────────────────────────────────────────────────
 *  Problem   : <Problem Name> (LeetCode #<num>)
 *  Link      : https://leetcode.com/problems/<slug>/
 *  Difficulty: 🟢 Easy | 🟡 Medium | 🔴 Hard
 *  Pattern   : <e.g. Arrays & Hashing>
 * ────────────────────────────────────────────────────────────────
 *
 *  Intuition:
 *    <1-3 sentences: the key insight / why this approach works>
 *
 *  Approach:
 *    1. <step>
 *    2. <step>
 *
 *  Complexity:
 *    Time  : O(?)   — <why>
 *    Space : O(?)   — <why>
 * ────────────────────────────────────────────────────────────────
 */

public class SolutionTemplate {

    // ---- Core solution -------------------------------------------------
    public int solve(/* params */) {
        // TODO: implement
        return 0;
    }

    // ---- Quick local test ----------------------------------------------
    public static void main(String[] args) {
        SolutionTemplate s = new SolutionTemplate();
        // Example:
        // System.out.println(s.solve(...));  // expected: ...
    }
}