Challenging Problems from CodeChef & CodeForces

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

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

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I think the most tricky…



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

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

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!)

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