Viewing insights from Codeforces 1550B: Maximum Cost Deletion that are similar (thus shared) with only this insight from Codeforces 1146C: Tree Diameter: When doing a bitmask problem, consider comparing each bit one at a time. When comparing with two numbers, consider the place where the bits first differ by tester
- I had learnt a new approach the minm no. of subarrays of 0 in a binary array in loop if(s i-1!=si) sum++; no of subarrays=sum/2 + 1; by darth_raider
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