Codeforces has easy and tough questions. However, the easy are not always easy, but the tough are always tough. Thus, after writing the Excel article here for Sumproduct, I have decided to go a bit easy and start with the …
Solving problems in CodeForces usually never works out as expected somehow – if I tend to overestimate the problem, I am able to solve it within 10 minutes and if I underestimate it, I stay about 1 hour on a simple …
Its Friday, the week is finally over and as far as I was planning to write an article per week or so, I have decided to write something. In these cases, when I do not have something prepared, I simply …
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