Basic Data structure : Standard Template Library :
- Code force=381A(Sereja and Dima)
- LeetCode=852( Peak Index in a Mountain Array)
- LeetCode= 1502(Can Make Arithmetic Progression From Sequence)
- Hackerearth=( Distinct Count)
- Geeksforgeeks=C++ STL|Set 1(Vector)
- Codeforce=118A(String Task)
- CodeForce=112A(Petya and String)
- CodeForce=78A(Haiku)
- Hackerearth=(The Palindrome)
- Hackerearth=(LexoGeek)
- Geeksforgeeks= Sum of Digit is Pallindrome or not
- Codeforce=909A(Generate Login-1000)
- CodeForce=258A(Little Elephant and Bits-1100)
- Codeforce=44A(Indian Summer)
- CodeForce=166A(Rank List)
- Geeksforgeeks= Count distinct pairs with difference k
- SPOJ=SORT2D-SORT
- CodeForce=230A(Dragons-1000)
- Geeks for Geeks= Find the Frequency
- Geeks for Geeks=Twice Counter
- Geeks for Geeks = Word with maximum frequency
- AtCoder = C-Good sequence
- CodeForce=855A(Tom Riddle’s Diary)
- CodeForce=4C(Registration System)
- CodeForce=918B(Radio Station)
- CodeForce=903C(Boxes Packing)
- SPOJ=RPLD-Database
- CodeForce=1003A(Polycarp’s Pockets-800)
- CodeForce=43B(Letter-1100)
- Geeks for Geeks= C++ STL | Set 6 (set)
- Geeks for Geeks= Set Operations
- HackerRank=Sets-STL
- LeetCode=217(Contains Duplicate)
- CodeForce=22A(Second Order Statistics)
- CodeForce=469A(I Wanna Be the Guy)
- CodeForce =1015A(Points in Segments-800)
- Geeks for Geeks= Multiset Operations
- Geeks for Geeks= Queue Push & Pop
- Geeks for Geeks= Reverse First K elements of Queue
- Geeks for Geeks= Queue Reversal
- Geeks for Geeks= Deque Implementations
- CodeForce=799B(T-shirt buying)
- SPOJ=REDARR2-Reduce the array
- Hackerearth= Monk And Champions League
- Hackerearth= Monk and Multiplication
- CodeForce=1353D(Constructing the array)
- CodeForce=218B(Airport-1100)