Codeforces 2173 - C | Kanade's Perfect Multiples | Number Theory | ( Round 1068 - Div2)

Codeforces 2175 - C | Needle in a Haystack | String | ( Round 1069 - Div2)

Codeforces 2167 - G | Mukhammadali and the Smooth Array | Dynamic Programming | 1600

Codeforces Problem 2158-C | Annoying Game | ( Round 1067- C) | Div 2 |

2025 ICPC Asia Taichung Regional Contest | Codeforces 2172 -F ( Cluster Computing System)

Codeforces Problem 2171-D | Rae Taylor and Trees (easy version) | ( Round 1065- D) | Div 3 |

Codeforces Problem 2157-C Meximum Array 2 | (Codeforces Round 1066- C2)

Codeforces Problem 2171- C2 : Renako Amaori and XOR Game | (Codeforce Round 1065- C2)

Codeforces Problem 2146- D1 : Max Sum OR (Easy Version) | (Codeforce Round 1052-D1)

Codeforces Problem 2144D - Price Tags | (Educational Round 182-B)

Codeforces Problem 2039B - Shohag Loves Strings | Solution & Explanation (C++)

Codeforces Problem 2139E1 - Maple and Tree Beauty (Easy Version) | Solution (DFS + DP)