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Challenging Problems from CodeChef & CodeForces

Help me listing the most challenging problems form CodeChef & CodeForces. I will be adding some from myself too.

This question is marked "community wiki".

asked 01 Jan '17, 20:34

aim_ioi's gravatar image

2★aim_ioi
363
accept rate: 6%

wikified 01 Jan '17, 22:45

HackerEarth, Topcoder and other Competitive Programming sites are welcomed too.

(01 Jan '17, 20:35) aim_ioi2★

aim_ioi

It depends on your current level. Try out difficult section on codechef and div1 problems in codeforces.

link

answered 01 Jan '17, 20:39

pratik_gadhiya's gravatar image

4★pratik_gadhiya
228110
accept rate: 10%

@pratik_gadhiya but still it would be nice if the problems are suggested from Best coders or the problems which are really tricky.

(01 Jan '17, 20:40) aim_ioi2★
1

Check out this profiles on codechef for challanging problems solved by them. This would help you out.

@rajat1603 (Represented India in IOI 2016)

@sumeet_varma (One of the best in this sport!)

@pulkit (One more!)

(02 Jan '17, 17:40) pratik_gadhiya4★

I think the most tricky...

1.BASE

2.KIRLAB.

link

answered 01 Jan '17, 21:18

only4's gravatar image

4★only4
1.5k212
accept rate: 17%

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question asked: 01 Jan '17, 20:34

question was seen: 780 times

last updated: 02 Jan '17, 17:41