Finished,written off
Joined March 2024
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Jun 14
Day 318:Maximum Twin Sum of a Linked List
Find the middle node,reverse the second half of the list and iteratively add up pairs of first half and reversed second half to find maxSum.For zero elements,we have no maxSum and for a element,the head is its maxSum
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reminders
Jun 14
The irony is people are okay to wake up at night to watch matches but has anyone tried the same with Tahajjud? Ik it’s not a fard ibadah but if you can wake up for matches pray tahajjud also rewards fun.
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Jun 14
lessons
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Jun 13
Articulation points in a graph,tin,low,is_articulation,visited,back edges,dfs,children,root can or cannnot be articulation,bridges in a graph
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Jun 13
Day 317:Weighted Word Mapping
char to int type casting,char subtractions to obtain the resultant character
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Jun 12
Day 316:Number of ways to assign edge weights 2
Use of binary lifting to find the lowest common ancestor between two nodes in log time,use of dfs to calculate depth from root node to any other node,combining these to find edges and use of fastPow to calculate 2^k-1,where k=edges
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160
Jun 12
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Jun 11
Day 315:Number of Ways to Assign Edge weight
2^k != << ,where k>64
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Jun 10
wishin the same for the ones who are struggling or close to the finish line
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Jun 10
Day 314:Maximum total Subarray Value 2
Segment trees for querying,value of a bigger window does not exceed the smaller window,use of max heap to pick the top k value subarrays,bfs traversal while picking subarray windows,learned new stuffs,still got to work more :)
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Feb 16
Sometimes the solution was giving love and attention to the ones we have, in my small irl circle, retaining them is the best I can do.
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