why always subtract? let us say i=7, j=5,m=4 then ceil(i/m)=ceil(j/m).isn't it?

Can anybody tell me where am I going wrong in problem E? submission — here

Can anybody share their thoughts on how they came up with problem C? How did they think and what made them think that way?

Here is my solution for problem F. Can anybody tell me where am I getting wrong? My submission link

There are certain solutions for problem c which have been tested for28 test cases only whereas there are others which are tested for 38 test cases. Some solutions which were accepted during the contest are giving tle right now when submitted.

2 test cases have been added

Why is this code giving tle? it was working fine in the local editor code-my submission

What is wrong in my submission for problem D? 175630153

Can anybody tell me where am I wrong in problem D? My submission 174629795

can anyone pls explain the approach to solve problem D?

bro I did not get it.Can u pls tell me again?

yes. I used this problem as reference

yes.I struggle in such kind of problems.

how?

is this round unrated?

My submission for problem D. https://codeforces.me/contest/1644/submission/157867234 Anybody please tell me where and why the code fails

I am not able to find where am I getting wrong in problem C. Anybody pls help. My submission 143125218 https://codeforces.me/contest/1626/submission/143125218

Go for decimal places>=5

Precision errors bro. Do not directly compare numbers in double format. use a range like instead of if x==y, write if (x-y>=-0.000001&&x-y<=0.0000001) my submission https://codeforces.me/contest/1616/submission/141124140

You can also use pushback function for that. It is much faster

same here also

Can u pls explain this?

Great solution bro. Btw I found the reverse pairs using ordered set

Is this contest unrated?

is this contest unrated?