I am preparing video tutorials on each problem. Hope it helps people.
1. Link to A-Frog 1:- https://www.youtube.com/watch?v=9yZL_AA9FyY
2. Link to B-Frog 2:- https://www.youtube.com/watch?v=b8zdg91nUys
3. Link to C-Vacation:- https://www.youtube.com/watch?v=jQpBVS_MQqo
4. Link to D-Knapsack 1:- https://www.youtube.com/watch?v=DrkxlK87WxE
5. Link to E-Knapsack 2:- https://www.youtube.com/watch?v=64W0S_G2yb8 (Learn a different approach to solve knapsack)
6.1 Link to F- LCS(Part 1) :- https://www.youtube.com/watch?v=74SAjOn0HAY
6.2 Link to F- LCS(Part 2) :- https://www.youtube.com/watch?v=p9p-QDVySqM
7.1 Link to G- Longest Path(Part 1) :- https://www.youtube.com/watch?v=5sDN1uNP1b4
7.2 Link to G- Longest Path(Part 2) :- https://www.youtube.com/watch?v=TqhOEyy5zYQ
8. Link to H- Grid 1 :- https://www.youtube.com/watch?v=94WswSakCqo
9. Link to I- Coins :- https://www.youtube.com/watch?v=ilCNQJtZSHs
10. Link to J- Sushi :- https://www.youtube.com/watch?v=vQP2yrD58JU (Expected Value DP)
11. Link to K- Stones :- https://www.youtube.com/watch?v=10aNk2BT63U (Taro or Jiro, Who will Win?)