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1250EThe Coronation2300graphs, implementation1250GDiscarding Game2300dp, greedy, two pointers1250HHappy Birthday1500math1250JThe Parade1800binary search, greedy1250LDivide The Students1500binary search, greedy, math1250NWires2000dfs and similar, graphs, greedy1251ABroken Keyboard1000brute force, strings, two pointers1251BBinary Palindromes1400greedy, strings1251CMinimize The Integer1600greedy, two pointers1251DSalary Changing1900binary search, greedy, sortings1251E1Voting (Easy Version)2300data structures, dp, greedy1251E2Voting (Hard Version)2400binary search, data structures, greedy1254AFeeding Chicken1700constructive algorithms, greedy, implementation1254B1Send Boxes to Alice (Easy Version)1800constructive algorithms, greedy, math1254B2Send Boxes to Alice (Hard Version)2100constructive algorithms, greedy, math1254CPoint Ordering2300constructive algorithms, geometry, interactive1255BFridge Lockers1100graphs, implementation1259BMake Them Odd1200greedy, number theory1259CAs Simple as One and Two1400dp, greedy1259DLet's Play the Words?1900data structures, hashing, implementation1259ETwo Fairs1900combinatorics, dfs and similar, dsu1259FBeautiful Rectangle2300brute force, combinatorics, constructive algorithms125AMeasuring Lengths in Baden1400math125CHobbits' Party1600constructive algorithms, greedy125DTwo progressions2200constructive algorithms, greedy125EMST Company2400binary search, graphs1260AHeating1000math1260BObtain Two Zeroes1300binary search, math1260CInfinite Fence1700greedy, math, number theory1260DA Game with Traps1900binary search, dp, greedy1260ETournament2400brute force, dp, greedy1264ABeautiful Regional Contest1500greedy, implementation1264BBeautiful Sequence1900brute force, constructive algorithms, greedy1265ABeautiful String1000constructive algorithms, greedy1265BBeautiful Numbers1300data structures, implementation, math1265EBeautiful Mirrors2100data structures, dp, math1268ALong Beautiful Integer1700constructive algorithms, greedy, implementation1268BDomino for Young2000dp, greedy, math1268CK Integers2300binary search, data structures1270BInteresting Subarray1200constructive algorithms, greedy, math1270CMake Good1400bitmasks, constructive algorithms, math1270DStrange Device1900constructive algorithms, interactive, math1270EDivide Points2300constructive algorithms, geometry, math1278BA and B1500greedy, math1278CBerry Jam1700data structures, dp, greedy1278DSegment Tree2100data structures, dsu, graphs1278ETests for problem D2200constructive algorithms, dfs and similar, divide and conquer1279BVerse For Santa1300binary search, brute force, implementation1279DSanta's Bot1700combinatorics, math, probabilities1281BAzamon Web Services1600greedy
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