Updated README.md

Author: BrandonTang89

README.md

@@ -1226,7 +1226,12 @@ Python code usually requires Python 3.8 to work.
 | 44 | [CF1988_B_Make_Majority](https://codeforces.com/contest/1988/problem/B) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1988_B_Make_Majority.py) |
 | 45 | [CF1988_C_Increasing_Sequence_with_Fixed_OR](https://codeforces.com/contest/1988/problem/C) | [C++](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1988_C_Increasing_Sequence_with_Fixed_OR.cpp) |
 | 46 | [CF1988_D_The_Omnipotent_Monster_Killer](https://codeforces.com/contest/1988/problem/D) | [C++](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1988_D_The_Omnipotent_Monster_Killer.cpp) |
-| 47 | [CF1989_A_Catch_the_Coin](https://codeforces.com/contest/1989/problem/A) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_A_Catch_the_Coin.py) |
-| 48 | [CF1989_B_Substring_and_Subsequence](https://codeforces.com/contest/1989/problem/B) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_B_Substring_and_Subsequence.py) |
-| 49 | [CF1989_C_Two_Movies](https://codeforces.com/contest/1989/problem/C) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_C_Two_Movies.py) |
-| 50 | [CF1989_D_Smithing_Skill](https://codeforces.com/contest/1989/problem/D) | [C++](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_D_Smithing_Skill.cpp) |
+| 47 | [CF1988_E_Range_Minimum_Sum](https://codeforces.com/contest/1988/problem/E) | [C++](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1988_E_Range_Minimum_Sum.cpp) |
+| 48 | [CF1989_A_Catch_the_Coin](https://codeforces.com/contest/1989/problem/A) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_A_Catch_the_Coin.py) |
+| 49 | [CF1989_B_Substring_and_Subsequence](https://codeforces.com/contest/1989/problem/B) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_B_Substring_and_Subsequence.py) |
+| 50 | [CF1989_C_Two_Movies](https://codeforces.com/contest/1989/problem/C) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_C_Two_Movies.py) |
+| 51 | [CF1989_D_Smithing_Skill](https://codeforces.com/contest/1989/problem/D) | [C++](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1989_D_Smithing_Skill.cpp) |
+| 52 | [CF1990_A_Submission_Bait](https://codeforces.com/contest/1990/problem/A) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1990_A_Submission_Bait.py) |
+| 53 | [CF1990_B_Array_Craft](https://codeforces.com/contest/1990/problem/B) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1990_B_Array_Craft.py) |
+| 54 | [CF1990_C_Mad_MAD_Sum](https://codeforces.com/contest/1990/problem/C) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1990_C_Mad_MAD_Sum.py) |
+| 55 | [CF1990_D_Grid_Puzzle](https://codeforces.com/contest/1990/problem/D) | [Python](https://github.com/BrandonTang89/Competitive_Programming_4_Solutions/blob/main/Other_Tasks/CF1990_D_Grid_Puzzle.py) |