Day 25/45
Today's problems:
Balanced Paranthesis ✅️
Next greater element ✅️
Sort a stack✅️
20 more days to go .
Completed 81/191 problems today✔️
Note: Code is short today, need to think clear without making it complex.
#SDEsheetChallenge#takeUforward#Buildinpublic
Finally 21 days streaks.
There is a saying it takes 21 day to build a habit.
24 days to go.
Book allocation and aggressive cow are interesting questions where u be like, it's sound like that what's there, and it's more practical in real life.
#SDESheetChallenge#takeUforward
Day 24/45
Today's problems:
Implement Stack Using Arrays✅️
Implement Queue using Arrays✅️
Implement Stack using
Queue(single)✅️
Implement Queue using Stack✅️
*how LIFO and FIFO works ,then use it in both cases, with 1 Q or more Q for St
#SDESheetChallenge#takeUforward
Today completed
1.Yesterday's 3 DSA questions + today's 3 DSA questions from SDESheetChallenge✅️
2. Java Springboot:
concept of how behind the scene Spring framework works, why we need Springboot
3. For sem exam, Cryptography and Network Security 1st module
#Buildinpublic
Day 23/45
Today's problems:
1.Find median from a data stream
2.Merge K sorted array
3. Top K frequent elements
Note:using heap we solve hard problem easily just need to remember when to use min heap and when Max heap ,this is the key point.
#SDESheetChallenge#takeUforward
Day 22/45
Today's problems:
1. Implement Max Heap
2. K-th Largest element in an array
3. Maximum Sum Combination
Note: New chapter Heap. Understanding Max heap and min heap, which one to use for which case.
#SDESheetChallenge#takeUforward#day22#Buildinpublic#dsa
Day 21/45
Today's problems:
1.Median of 2 sorted arrays
2.Kth element of 2 sorted array
3.Allocate Minimum Number of Pages
4.Aggresive Cows
Notes: 1st problem was the most difficult one, others are also interesting
#SDESheetChallenge#takeUforward#DSA#Buildinpublic#day21
Day 20/45
Note: Q2 is the hard one which takes time, just need to figure out number of elements <= the element in that index.
It's true it won't come so easily in mind.But after learning and revising 1 can remember it.
#SDESheetChallenge#takeUforward#dsa#buildinpublic
Day 20/45
Today's problems:
1.N-th root of an integer
2.Matrix Median
3.Sjngle Element in sorted array
arrays
4. Search Element in a sorted rotated array/find pivot where it is rotated
Note: Q2 is the hard one.
#SDESheetChallenge#takeUforward#day20@takeUforward_@striver_79
Day 18
Today's problems:
1.Permutations of String
2.N Queen
3.Sudoku Solver
Note: N Queen Problem and Soduku Solver are the problems which are interesting and fun to solve.
#SDESheetChallenge#takeUforward#Day18#Dsa#Buildinpublic