I just dont feel motivated today, woke up at 4, its 6 now. still not motivated. Maybe i could make today my breakday and start tmrw with some action
or just push through it with no zeel. I know that if i opened codeforces ill def solve few problems before going about my day doing timepass. but i dont
feel the energy to open the site. Lets see. ill update this on 12. ive registered for next contest i rlly want to become specialist before i leave for college.
as for the isro hackathon mentors have sent out emails to teams for further screening, ive not recieved any mail yet. I dont have any hope that i will maybe
we missed something important to the problem during our prep phase. who knows.
opened codeforces solved few problems, one thing i get now is nobodys going to pick you up except you.
this problem Zero Array . my approach to this problem was in cases.
case 1: numbers which occur even times decrease themselves to 0 completely: {1,1}. {2,2}. {3,3,3,3};
case 2: suppose you have any number remaining(suppose any number occured odd times so you have 1 extra occurance of it). ex: {2,2,2}. you have one 2 extra.
so you try to make the largest abandoned number with help of other abandones numbers + with help of even frequency of other elements so they can maintain their case1;
but the solution was pretty easy as compared to my approach, simply check if total sum is even: because you are decrease 2 in one operation so {totalsum- 2*operations =0}.
and the largest number should be less than sum of other elements so it can follow my case2.
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