implementation - Problem Set

ID	Problem Show tags Hide tags	AC / Tried	Difficulty
2209	CF1598C Delete Two Elements data structures dp implementation math two pointers *1200	0 / 0	(None)
2208	CF1598D Training Session combinatorics data structures geometry implementation math *1700	0 / 0	(None)
2207	CF1598E Staircases brute force combinatorics data structures dfs and similar dp implementation math *2100	0 / 0	(None)
2182	CF1602A Two Subsequences implementation *800	0 / 0	(None)
2181	CF1602B Divine Array constructive algorithms implementation *1100	0 / 0	(None)
2174	CF1603F October 18, 2017 combinatorics dp implementation math *2700	0 / 0	(None)
2169	CF1605C Dominant Character brute force greedy implementation strings *1400	0 / 0	(None)
2167	CF1605D Treelabeling bitmasks constructive algorithms dfs and similar games greedy implementation trees *2100	0 / 0	(None)
2166	CF1605E Array Equalizer binary search greedy implementation math number theory sortings two pointers *2400	0 / 0	(None)
2163	CF1606B Update Files greedy implementation math *1100	0 / 0	(None)
2161	CF1606D Red-Blue Matrix brute force constructive algorithms implementation sortings *2400	0 / 0	(None)
2158	CF1607A Linear Keyboard implementation strings *800	0 / 0	(None)
2153	CF1607E Robot on the Board 1 implementation *1600	0 / 0	(None)
2152	CF1607F Robot on the Board 2 brute force dfs and similar graphs implementation *2300	0 / 0	(None)
2144	CF1608E The Cells on the Paper binary search implementation sortings *2800	0 / 0	(None)
2143	CF1608F MEX counting combinatorics dp implementation *3200	0 / 0	(None)
2141	CF1609A Divide and Multiply greedy implementation math number theory *900	0 / 0	(None)
2140	CF1609B William the Vigilant implementation strings *1100	0 / 0	(None)
2139	CF1609C Complex Market Analysis binary search dp implementation number theory schedules two pointers *1400	0 / 0	(None)
2138	CF1609D Social Network dsu graphs greedy implementation trees *1600	0 / 0	(None)
2128	CF1610E AmShZ and G.O.A.T. binary search brute force greedy implementation math *2300	0 / 0	(None)
2106	CF1613A Long Comparison implementation math *900	0 / 0	(None)
2105	CF1613B Absent Remainder greedy implementation sortings *1000	0 / 0	(None)
2084	CF1616A Integer Diversity implementation *800	0 / 0	(None)
2082	CF1616C Representative Edges brute force geometry implementation math *1500	0 / 0	(None)
2071	CF1617D1 Too Many Impostors (easy version) constructive algorithms implementation interactive *1800	0 / 0	(None)
2070	CF1617D2 Too Many Impostors (hard version) constructive algorithms implementation interactive math *2400	0 / 0	(None)
2069	CF1617E Christmas Chocolates dfs and similar dp games graphs implementation math number theory shortest paths trees *2700	0 / 0	(None)
2066	CF1618B Missing Bigram implementation *800	0 / 0	(None)
2062	CF1618F Reverse bitmasks constructive algorithms dfs and similar implementation math strings *2000	0 / 0	(None)
2060	CF1619A Square String? implementation strings *800	0 / 0	(None)
2059	CF1619B Squares and Cubes implementation math *800	0 / 0	(None)
2058	CF1619C Wrong Addition implementation *1200	0 / 0	(None)
2055	CF1619E MEX and Increments constructive algorithms data structures dp greedy implementation math sortings *1700	0 / 0	(None)
2051	CF1620A Equal or Not Equal constructive algorithms dsu implementation *800	0 / 0	(None)
2049	CF1620C BA-String brute force dp greedy implementation math *1800	0 / 0	(None)
2047	CF1620E Replace the Numbers constructive algorithms data structures dsu implementation *1900	0 / 0	(None)
2042	CF1621B Integers Shop data structures greedy implementation *1500	0 / 0	(None)
2039	CF1621E New School binary search data structures dp greedy implementation sortings *2300	0 / 0	(None)
2038	CF1621F Strange Instructions data structures greedy implementation *2700	0 / 0	(None)
2027	CF1623A Robot Cleaner brute force implementation math *800	0 / 0	(None)
2026	CF1623B Game on Ranges brute force dfs and similar implementation sortings *1100	0 / 0	(None)
2023	CF1623D Robot Cleaner Revisit implementation math probabilities *2300	0 / 0	(None)
2020	CF1624B Make AP implementation math *900	0 / 0	(None)
2017	CF1624E Masha-forgetful brute force constructive algorithms dp hashing implementation strings *2000	0 / 0	(None)
2010	CF1625D Binary Spiders bitmasks data structures implementation math sortings trees *2300	0 / 0	(None)
2005	CF1626C Monsters And Spells binary search data structures dp greedy implementation math two pointers *1700	0 / 0	(None)
2000	CF1627A Not Shading constructive algorithms implementation *800	0 / 0	(None)
1996	CF1627E Not Escaping data structures dp implementation shortest paths two pointers *2200	0 / 0	(None)
1995	CF1627F Not Splitting geometry graphs greedy implementation shortest paths *2700	0 / 0	(None)
1994	CF1628A Meximum Array binary search constructive algorithms greedy implementation math two pointers *1400	0 / 0	(None)
1992	CF1628C Grid Xor constructive algorithms greedy implementation interactive math *2300	0 / 0	(None)
1975	CF1632A ABC implementation *800	0 / 0	(None)
1955	CF1634F Fibonacci Additions brute force data structures hashing implementation math *2700	0 / 0	(None)
1945	CF1637C Andrew and Stones greedy implementation *1200	0 / 0	(None)
1943	CF1637E Best Pair binary search brute force implementation *2100	0 / 0	(None)
1936	CF1638D Big Brush constructive algorithms data structures greedy implementation *2000	0 / 0	(None)
1934	CF1638E Colorful Operations brute force data structures implementation *2400	0 / 0	(None)
1919	CF1641B Repetitions Decoding constructive algorithms implementation sortings *2000	0 / 0	(None)
1911	CF1644A Doors and Keys implementation *800	0 / 0	(None)
1910	CF1644B Anti-Fibonacci Permutation brute force constructive algorithms implementation *800	0 / 0	(None)
1909	CF1644C Increase Subarray Sums brute force dp greedy implementation *1400	0 / 0	(None)
1908	CF1644D Cross Coloring data structures implementation math *1700	0 / 0	(None)
1907	CF1644E Expand the Path brute force combinatorics data structures implementation math *1900	0 / 0	(None)
1901	CF1646D Weight the Tree constructive algorithms dfs and similar dp implementation trees *2000	0 / 0	(None)
1899	CF1646F Playing Around the Table constructive algorithms greedy implementation *2900	0 / 0	(None)
1898	CF1647A Madoka and Math Dad implementation math *800	0 / 0	(None)
1897	CF1647B Madoka and the Elegant Gift brute force constructive algorithms graphs implementation *1200	0 / 0	(None)
1889	CF1648C Tyler and Strings combinatorics data structures implementation *1900	0 / 0	(None)
1888	CF1648D Serious Business data structures divide and conquer dp implementation shortest paths *2800	0 / 0	(None)
1887	CF1648E Air Reform data structures dfs and similar divide and conquer dsu graphs implementation trees *3200	0 / 0	(None)
1885	CF1649A Game implementation *800	0 / 0	(None)
1884	CF1649B Game of Ball Passing greedy implementation *1300	0 / 0	(None)
1883	CF1650A Deletions of Two Adjacent Letters implementation strings *800	0 / 0	(None)
1881	CF1650C Weight of the System of Nested Segments greedy hashing implementation sortings *1200	0 / 0	(None)
1879	CF1650D Twist the Permutation brute force constructive algorithms implementation math *1300	0 / 0	(None)
1878	CF1650E Rescheduling the Exam binary search data structures greedy implementation math sortings *1900	0 / 0	(None)
1877	CF1650F Vitaly and Advanced Useless Algorithms dp greedy implementation *2200	0 / 0	(None)
1875	CF1651A Playoff implementation *800	0 / 0	(None)
1873	CF1651C Fault-tolerant Network brute force data structures implementation *1500	0 / 0	(None)
1868	CF1654A Maximum Cake Tastiness brute force greedy implementation sortings *800	0 / 0	(None)
1866	CF1654C Alice and the Cake data structures greedy implementation sortings *1400	0 / 0	(None)
1847	CF1657C Bracket Sequence Deletion greedy implementation *1200	0 / 0	(None)
1842	CF1658A Marin and Photoshoot constructive algorithms implementation math *800	0 / 0	(None)
1837	CF1658E Gojou and Matrix Game data structures dp games hashing implementation math number theory sortings *2500	0 / 0	(None)
1834	CF1659A Red Versus Blue constructive algorithms greedy implementation math *1000	0 / 0	(None)
1832	CF1659C Line Empire binary search brute force dp greedy implementation math *1500	0 / 0	(None)
1831	CF1659D Reverse Sort Sum constructive algorithms data structures greedy implementation math two pointers *1900	0 / 0	(None)
1825	CF1660D Maximum Product Strikes Back brute force implementation math two pointers *1600	0 / 0	(None)
1823	CF1660E Matrix and Shifts brute force constructive algorithms greedy implementation *1600	0 / 0	(None)
1822	CF1660F1 Promising String (easy version) brute force implementation math strings *1700	0 / 0	(None)
1821	CF1660F2 Promising String (hard version) data structures implementation math strings *2100	0 / 0	(None)
1814	CF1662A Organizing SWERC brute force implementation	0 / 0	(None)
1810	CF1662D Evolution of Weasels greedy implementation strings	0 / 0	(None)
1808	CF1662F Antennas data structures dfs and similar graphs graphs implementation implementation shortest paths shortest paths	0 / 0	(None)
1805	CF1662I Ice Cream Shop brute force implementation sortings	0 / 0	(None)
1798	CF1662O Circular Maze brute force dfs and similar graphs implementation	0 / 0	(None)
1796	CF1663B Mike's Sequence *special problem divide and conquer implementation math	0 / 0	(None)
1795	CF1663C Pōja Verdon *special problem implementation math	0 / 0	(None)
1793	CF1663E Are You Safe? *special problem implementation	0 / 0	(None)

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