MohamedAhmed04's blog

By MohamedAhmed04, history, 2 weeks ago, In English,

after rating updated in Codeforces....now ratings returned as it was before the last contest...even in contest standing there's no rating changes....so what's the reason for that

UPD : ratings came back

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By MohamedAhmed04, history, 4 months ago, In English,

When I opened problem set and sorted it , It showed me palindromic twist is the first!!

Update : It's solved now

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By MohamedAhmed04, history, 5 months ago, In English,
 
 
 
 
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By MohamedAhmed04, history, 7 months ago, In English,

Why Wrong Answer in this Problem

I Solved it using Segment tree and lazy propagation

Problem Link : http://www.spoj.com/problems/CDC12_H/

My Solution Link : https://ideone.com/Td4sDM

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By MohamedAhmed04, history, 8 months ago, In English,

Hello CF Community

From 20 minutes Facebook announced Facebook Hacker Cup 2018.

Link of Post : https://www.facebook.com/hackercup/posts/1915605128471666

They Said That To Compete You must be higher than 18 years

So Is there way to participate in Facebook Hacker Cup For People < 18 ?

At Most For Competing Not For Winning Prizes

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By MohamedAhmed04, history, 8 months ago, In English,

I Found This Library on GitHub which is For preparing Tests For Problems and It's written in C++ , I Think It will help Problem Setters For Rounds

https://github.com/ifsmirnov/jngen

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By MohamedAhmed04, history, 12 months ago, In English,

Anyone have good resources for tabulation in DP

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By MohamedAhmed04, history, 12 months ago, In English,

Hello ,

I saw most of programmers in Codeforces use Tabulation more than Memoization So , Why most of competitive programmers use Tabulation instead of memoization ?

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By MohamedAhmed04, history, 16 months ago, In English,

It's the first problem for me to solve with DFS , So I can't understand why it's wrong Answer on test 6 The link of code and submission : http://codeforces.com/contest/580/submission/30840380 Problem link : http://codeforces.com/problemset/problem/580/C

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By MohamedAhmed04, history, 16 months ago, In English,

Is there's anyone has good tutorial or Video that describe Bitmask with cases ? In C++

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By MohamedAhmed04, history, 16 months ago, In English,

There's Wrong Answer on test case 14 I tried to solve it But What's in Code wrong that lead to print 146 instead of 120 Code : https://ideone.com/gwUN8C Problem : http://codeforces.com/contest/186/problem/B Submission : http://codeforces.com/contest/186/submission/30480217

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By MohamedAhmed04, history, 17 months ago, In English,

I want to Know what's the answer for this Problem And What's the technique to solve with ? http://codeforces.com/contest/842/problem/A

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By MohamedAhmed04, history, 17 months ago, In English,

I have Problem now in Codeforces when I submit solution for Problem it give me in queue I waited +13 minutes but it's also in queue Any Solution for this Problem ?

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By MohamedAhmed04, history, 17 months ago, In English,

What's the needed Math for problem Solving What's necessary To learn in Mathematics in Algebra

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