Codeforces :

• Heap Operations
• Heaps

Codeforces GYM :

• Dogs And Bowls
• Bus
• Problem E
• problem I

ACM :

• Sequence Median

Hacker Earth :

• Monk And Multiplications
• Monk And Champions League
• Roy And Trending
• Haunted
• Little Monk And ABD
• Pcart And sale
• Hostel Visit
• Special Array Operation
• Seating Arrangement
• Monk And Some Queries

Code Chef :

• Killing Zombies
• Most Distant Point
• Mahesh And His Lost Array
• Capital Movement
• IPC Trainers

If you have any suggestions , please let me know.