MohamedAhmed04's blog

By MohamedAhmed04, history, 5 weeks 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, 6 weeks ago, In English,
 
 
 
 
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By MohamedAhmed04, history, 4 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, 4 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, 5 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, 9 months ago, In English,

Anyone have good resources for tabulation in DP

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By MohamedAhmed04, history, 9 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, 13 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, 13 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, 13 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, 14 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, 14 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, 14 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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