# Codeforces Round #419 (Div. 1): B. Karen and Test

Sun, Jun 18, 2017, competitive writeup codeforces experiment combination linearity

Sun, Jun 18, 2017, competitive writeup codeforces experiment combination linearity

Sun, Jun 18, 2017, competitive writeup codeforces

Mon, May 15, 2017, competitive writeup codeforces graph eulerian-path

Thu, Mar 30, 2017, competitive writeup codeforces graph eulerian-path

Thu, Mar 30, 2017, competitive writeup codeforces dp

Fri, Mar 24, 2017, competitive writeup codeforces segment-tree graph dijkstra

Fri, Mar 24, 2017, competitive writeup codeforces game

Wed, Mar 22, 2017, competitive writeup codeforces dominator-tree

Wed, Mar 15, 2017, competitive writeup codeforces optimization union-find-tree square-root-decomposition

Tue, Mar 7, 2017, competitive writeup codeforces lie optimization doubling square-root-decomposition

Fri, Feb 24, 2017, competitive writeup codeforces lie simd

Tue, Jan 17, 2017, competitive writeup codeforces mo-algorithm

Sun, Sep 18, 2016, competitive writeup codeforces graph dijkstra

Sun, Sep 18, 2016, competitive writeup codeforces

Wed, Sep 14, 2016, competitive writeup codeforces cf weighted-union-heuristic

Wed, Sep 14, 2016, competitive writeup codeforces cf reactive binary-search

Fri, Jul 15, 2016, competitive writeup codeforces exponentiation-by-squaring wolfram-alpha

Fri, Jul 15, 2016, competitive writeup codeforces tree expected-value

Fri, Jul 15, 2016, competitive writeup codeforces tree

Fri, Jul 15, 2016, competitive writeup codeforces

Fri, Jul 15, 2016, competitive writeup codeforces

Thu, Jun 30, 2016, competitive writeup codeforces

Thu, Jun 30, 2016, competitive writeup codeforces dp

Thu, Jun 30, 2016, competitive writeup codeforces

Thu, Jun 30, 2016, competitive writeup codeforces union-find-tree

Thu, Jun 9, 2016, competitive writeup codeforces

Thu, Jun 9, 2016, competitive writeup codeforces reactive

Thu, Mar 31, 2016, competitive writeup codeforces gcd lcm string

Thu, Mar 31, 2016, competitive writeup codeforces

Tue, Mar 29, 2016, competitive writeup codeforces lcm

Tue, Mar 29, 2016, competitive writeup codeforces

Fri, Mar 25, 2016, competitive writeup codeforces

Fri, Mar 25, 2016, competitive writeup codeforces

Fri, Mar 25, 2016, competitive writeup codeforces

Fri, Mar 25, 2016, competitive writeup codeforces

Thu, Mar 24, 2016, competitive writeup codeforces

Thu, Mar 24, 2016, competitive writeup codeforces

Thu, Mar 24, 2016, competitive writeup codeforces

Thu, Mar 24, 2016, competitive writeup codeforces

Mon, Feb 29, 2016, competitive writeup codeforces graph tree

Mon, Feb 29, 2016, competitive writeup codeforces

Mon, Feb 29, 2016, competitive writeup codeforces segment-tree range-sum-query

Mon, Feb 29, 2016, competitive writeup codeforces

Mon, Feb 29, 2016, competitive writeup codeforces

Sun, Feb 14, 2016, competitive writeup codeforces expected-value dp

Sun, Feb 14, 2016, competitive writeup codeforces greedy

Sun, Feb 14, 2016, competitive writeup codeforces

Sun, Feb 14, 2016, competitive writeup codeforces

Mon, Feb 1, 2016, competitive writeup codeforces icpc prime sieve-of-eratosthenes divisors miller-rabin

Sat, Jan 16, 2016, competitive writeup codeforces implementation

Sat, Jan 16, 2016, competitive writeup codeforces geometry

Sat, Jan 9, 2016, competitive writeup codeforces binary-search

Sat, Jan 9, 2016, competitive writeup codeforces primes

Sat, Jan 9, 2016, competitive writeup codeforces trie

Sat, Jan 9, 2016, competitive writeup codeforces graph dp

Sat, Jan 9, 2016, competitive writeup codeforces

Thu, Jan 7, 2016, competitive writeup codeforces

Thu, Jan 7, 2016, competitive writeup codeforces dp cumulative-sum

Thu, Jan 7, 2016, competitive writeup codeforces

Thu, Dec 31, 2015, competitive writeup codeforces rolling-hash dp cumulative-sum

Thu, Dec 31, 2015, competitive writeup codeforces cumulative-sum inclusion-exclusion-principle

Thu, Dec 31, 2015, competitive writeup codeforces

Thu, Dec 31, 2015, competitive writeup codeforces

Fri, Dec 25, 2015, competitive writeup codeforces

Fri, Dec 25, 2015, competitive writeup codeforces

Fri, Dec 25, 2015, competitive writeup codeforces

Thu, Dec 17, 2015, competitive writeup codeforces

Thu, Dec 17, 2015, competitive writeup codeforces math

Thu, Dec 17, 2015, competitive writeup codeforces sieve-of-eratosthenes

Thu, Dec 17, 2015, competitive writeup codeforces cumulative-sum

Thu, Dec 3, 2015, codeforces competitive writeup dp interval

Thu, Dec 3, 2015, codeforces competitive writeup math sort

Thu, Dec 3, 2015, codeforces competitive writeup cumulative-sum

Thu, Dec 3, 2015, codeforces competitive writeup

Wed, Dec 2, 2015, codeforces competitive writeup game grundy

Wed, Dec 2, 2015, codeforces competitive writeup prime math

Wed, Dec 2, 2015, codeforces competitive writeup subsequence dp

Wed, Nov 25, 2015, competitive writeup codeforces dp probability expected-value

Wed, Nov 25, 2015, competitive writeup codeforces sequence interval

Wed, Nov 25, 2015, competitive writeup codeforces graph shortest-path complete-graph

Sat, Nov 21, 2015, competitive writeup codeforces graph

Sat, Nov 21, 2015, competitive writeup codeforces

Sat, Nov 21, 2015, competitive writeup codeforces rational continued-fraction

Sat, Nov 21, 2015, competitive writeup codeforces

Sun, Nov 1, 2015, codeforces competitive writeup tree diameter

Sun, Nov 1, 2015, competitive writeup codeforces

Sat, Oct 31, 2015, codeforces competitive writeup gcd euclidean-algorithm

Thu, Oct 22, 2015, codeforces competitive writeup greedy binary-search

Wed, Oct 7, 2015, competitive writeup codeforces python ruby c++ prime

Sun, Oct 4, 2015, codeforces competitive writeup

Thu, Sep 24, 2015, codeforces competitive writeup longest-increasing-subsequence lis

Tue, Sep 22, 2015, codeforces competitive c++ writeup matrix

Fri, Sep 11, 2015, codeforces competitive writeup

Thu, Sep 10, 2015, codeforces competitive writeup

Mon, Sep 7, 2015, codeforces competitive writeup

Fri, Sep 4, 2015, codeforces competitive writeup

Tue, Sep 1, 2015, codeforces competitive writeup