Road to solving EVERY LeetCode problem (3,153 solved) - Week 8 progress update!

Week 8 progress update - reporting live from the infusion clinic once again! I take this medicine every 4 weeks for an autoimmune disease. They also take hours which is a good time to solve problems (and write posts hehe). 2 months ago I started my challenge to finally finish every LeetCode problem this year 😭 I solved 33 questions this week: \-3 easy \-19 medium \-11 hard My favorite question was "3700. Number of ZigZag Arrays II", I used matrix exponentiation to solve it in `O(8 * m^3 * logn)` time. My goal this week is to solve 20 problems. Going skiing! So might not have time... Week 0: 2895/3832 - 937 remain [Reddit](https://www.reddit.com/r/leetcode/comments/1qw5smq/im_going_to_solve_every_leetcode_problem_this_year/) · [LinkedIn](https://www.linkedin.com/posts/ishaan-agrawal_im-solving-every-leetcode-problem-in-2026-activity-7424959637658972160-JxuG/?utm_source=share&utm_medium=member_desktop&rcm=ACoAABUEpWMBUqAVP0lcb_o6a1TaE6Ggy4tqpis) Week 1: 2958/3837 - 879 remain (solved 63) [Reddit](https://www.reddit.com/r/leetcode/comments/1r31nm6/road_to_solving_every_leetcode_problem_week_1/) · [LinkedIn](https://www.linkedin.com/posts/ishaan-agrawal_im-solving-every-leetcode-problem-in-2026-activity-7427783853785927680-p0Ac/?utm_source=share&utm_medium=member_desktop&rcm=ACoAABUEpWMBUqAVP0lcb_o6a1TaE6Ggy4tqpis) Week 2: 2992/3846 - 854 remain (solved 34) [Reddit](https://www.reddit.com/r/leetcode/comments/1r95vkp/road_to_solving_every_leetcode_problem_week_3/) · [LinkedIn](https://www.linkedin.com/posts/ishaan-agrawal_im-solving-every-leetcode-problem-in-2026-activity-7430304749616361472-xjBp/?utm_source=share&utm_medium=member_desktop&rcm=ACoAABUEpWMBUqAVP0lcb_o6a1TaE6Ggy4tqpis) Week 3: 3020/3851 - 831 remain (solved 28) [Reddit](https://www.reddit.com/r/leetcode/comments/1rfmxws/im_solving_every_leetcode_problem_week_3_progress/) · [LinkedIn](https://www.linkedin.com/posts/ishaan-agrawal_i-solved-3020-leetcode-problems-week-3-progress-activity-7432896023825600515-b4kj/?utm_source=share&utm_medium=member_desktop&rcm=ACoAABUEpWMBUqAVP0lcb_o6a1TaE6Ggy4tqpis) Week 4: 3049/3860 - 811 remain (solved 29) [Reddit](https://www.reddit.com/r/leetcode/comments/1rmqfeo/im_solving_every_leetcode_problem_week_4_progress/) · [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7435793755737300992/) Week 5: 3068/3865 - 797 remain (solved 19) [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7438289441711919104/) Week 6: 3099/3874 - 775 remain (solved 31) [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7440836943799767040/) Week 7: 3120/3879 - 759 remain (solved 21) [Reddit](https://www.reddit.com/r/leetcode/comments/1s4iqbe/road_to_solving_every_leetcode_problem_3120/) · [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7443028642181529600/) Week 8: 3153/3888 - 735 remain (solved 33) [LinkedIn](https://www.linkedin.com/feed/update/urn:li:activity:7445545704191774720/) Profile: [https://leetcode.com/u/leetgoat\_dot\_io/](https://leetcode.com/u/leetgoat_dot_io/) LET'S GET THIS!!!