
CodeForces
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David_Jett
我要变得很强!2017-8-30
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【打CF,学算法——三星级】CF Gym 100548K Last Denfence
题目链接:Last Denfence题面: Last DefenceDescription Given two integers A and B. Sequence S is defined as follow: • S0 = A • S1 = B • Si = |Si−1 − Si−2| for i ≥ 2 Count the原创 2015-07-07 23:39:57 · 1265 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 615B Longtail Hedgehog (DFS/拓扑排序)
题目链接:CF 615B题面:B. Longtail Hedgehogtime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThis Christmas原创 2016-07-08 17:03:47 · 727 阅读 · 0 评论 -
【打CF,学算法——一星级】CodeForces 227B Effective Approach (水题)
题目链接:CF 227B题面:B. Effective Approachtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOnce at a team原创 2016-07-08 17:06:29 · 867 阅读 · 0 评论 -
【打CF,学算法——一星级】CodeForces 617D Polyline(水题)
题目链接:CF 617D题面:A - PolylineTime Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uSubmit Status Practice CodeForces 617DDescriptionThere are t原创 2016-07-08 19:36:01 · 800 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 417B Crash (水题)
题目链接:CF 417B题面:B. Crashtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDuring the "Russian Code Cup" pr原创 2016-07-09 16:57:06 · 1445 阅读 · 0 评论 -
【打CF,学算法——二星级】Codeforces 22B Bargaining Table(区域和)
题目链接:CF 22B题面:B. Bargaining Tabletime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBob wants to put原创 2016-07-12 09:16:15 · 1309 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 374A Inna and Pink Pony (水题/坑题)
【CF简介】提交链接:CF 374A题面:A. Inna and Pink Ponytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDima an原创 2016-07-13 10:08:29 · 1175 阅读 · 0 评论 -
【打CF,学算法——二星级】Codeforces 699B - One Bomb (技巧)
【CF简介】题目链接:CF 699B题面:B. One Bombtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given原创 2016-07-21 09:56:43 · 2114 阅读 · 0 评论 -
【打CF,学算法——一星级】CodeForces 701A Cards(水题)
【CF简介】题目链接:CF 701A题面:A. Cardstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere are n cards (n i原创 2016-07-23 15:33:35 · 1339 阅读 · 0 评论 -
【打CF,学算法——二星级】Codeforces 703B Mishka and trip (统计)
【CF简介】题目链接:CF 703B题面:A - Mishka and tripTime Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uSubmitStatusPracticeCodeForces 703BDescriptionL原创 2016-08-05 13:52:25 · 1297 阅读 · 0 评论 -
【打CF,学算法——一星级】Codeforces 705A Hulk
CF简介题目链接:705A题面:A. Hulktime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputDr. Bruce Banner hates his e原创 2016-08-08 09:30:31 · 1272 阅读 · 0 评论 -
【打CF,学算法——一星级】CodeForces 74A Room Leader (水题)
题目链接:CF 74A题面:A. Room Leadertime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputLet us remind you part原创 2016-07-08 16:34:34 · 748 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 689C Mike and Chocolate Thieves (二分)
题目链接:CF 689C题面:C. Mike and Chocolate Thievestime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputBad原创 2016-07-08 10:55:19 · 1218 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 689B Mike and Shortcuts (最短路+spfa)
题目链接:CF 689B题面:B. Mike and Shortcutstime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRecently, Mike原创 2016-07-08 10:36:46 · 1837 阅读 · 0 评论 -
【打CF,学算法——一星级】Gym 100548A Built with Qinghuai and Ari Factor (Asia Xian)
题目链接:Built with Qinghuai and Ari Factor题面:Built with Qinghuai and Ari FactorDescriptionDISCLAIMER: All names, incidents, characters and places appearing in this problemare fictitious. An原创 2015-07-08 22:18:22 · 1504 阅读 · 0 评论 -
【打CF,学算法——二星级】Codeforces Round #312 (Div. 2) A Lala Land and Apple Trees
题目链接:A. Lala Land and Apple Trees题面:A. Lala Land and Apple Treestime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard原创 2015-07-15 10:48:51 · 1490 阅读 · 0 评论 -
【打CF,学算法——二星级】Codeforces Round #312 (Div. 2) B. Amr and The Large Array
题目链接:B. Amr and The Large Array题面:B. Amr and The Large Arraytime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard out原创 2015-07-15 10:55:54 · 1119 阅读 · 0 评论 -
【打CF,学算法——三星级】Codeforces Round #313 (Div. 2) C. Gerald's Hexagon
题目链接:http://codeforces.com/contest/560/problem/C题面:C. Gerald's Hexagontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandar原创 2015-07-23 09:38:29 · 1438 阅读 · 0 评论 -
【打CF,学算法——一星级】Codeforces Round #313 (Div. 2) A. Currency System in Geraldion
题目链接:http://codeforces.com/contest/560/problem/A题面:A. Currency System in Geraldiontime limit per test2 secondsmemory limit per test256 megabytesinputstandard input原创 2015-07-23 09:24:37 · 1262 阅读 · 0 评论 -
【打CF,学算法——三星级】Codeforces 9C Hexadecimal's Numbers (解法汇总)
题目链接:http://codeforces.com/problemset/problem/9/C题面:原创 2015-10-05 10:07:54 · 1121 阅读 · 0 评论 -
【打CF,学算法——一星级】CodeForces 318A (水题)
题目链接:题面:C - Even OddsTime Limit:1000MS Memory Limit:262144KB 64bit IO Format:%I64d & %I64uSubmit StatusDescriptionBeing a nonconformist, Volodya is displeased原创 2016-02-29 22:47:20 · 1881 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 520C DNA Alignment (构造)
题目链接:CF 520C题面:C. DNA Alignmenttime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya became intere原创 2016-07-08 09:54:39 · 1584 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 282C XOR and OR (观察)
题目链接:CF 282C题面:C. XOR and ORtime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThe Bitlandians are quite we原创 2016-07-08 10:05:25 · 1242 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 689A Mike and Cellphone (模拟)
题目链接:CF 689A题面:A. Mike and Cellphonetime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputWhile swimming at t原创 2016-07-08 10:18:47 · 1718 阅读 · 0 评论 -
【打CF,学算法——二星级】Codeforces 705B Spider Man (简单博弈)
【CF简介】题目链接:CF 705B题面:B. Spider Mantime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputPeter Park原创 2016-08-08 09:36:04 · 1559 阅读 · 0 评论 -
【打CF,学算法——三星级】Codeforces 704A Thor (模拟)
【CF简介】题目链接:CF 704A题面:A. Thortime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThor is getting used原创 2016-08-08 09:55:04 · 1735 阅读 · 0 评论 -
【打CF,学算法——五星级】CodeForces 478D (dp计数)
【CF简介】提交链接:CF 478D题面:D. Red-Green Towerstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputThere原创 2016-07-12 11:11:33 · 930 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 626C Block Towers(暴力/二分)
题目链接:CF 626C题面:C. Block Towerstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputStuden原创 2016-07-08 19:51:27 · 950 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 567D One-Dimensional Battle Ships (二分)
题目链接:CF 567D题面:D. One-Dimensional Battle Shipstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAlice and B原创 2016-07-09 10:42:11 · 1007 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 550D Regular Bridge (构造)
题目链接:CF 550D题面:D. Regular Bridgetime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAn undirected grap原创 2016-07-09 17:06:43 · 950 阅读 · 0 评论 -
【打CF,学算法——四星级】CodeForces 455C Civilization (【详解】并查集+树的直径)
题目链接:CF 455C题面:C. Civilizationtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputAndrew plays a game called原创 2016-07-10 10:48:29 · 1184 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 513C Second price auction (进制状态表示)
题目链接:CF 513C题面:C. Second price auctiontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputNowadays, mo原创 2016-07-10 13:39:03 · 1074 阅读 · 0 评论 -
【打CF,学算法——四星级】CodeForces 31E TV Game (动态规划)
题目链接:CF 31E题面:E. TV Gametime limit per test 2 secondsmemory limit per test 256 megabytesinput standard inputoutput standard outputDescriptionThere原创 2016-07-12 09:31:19 · 1242 阅读 · 0 评论 -
【打CF,学算法——二星级】CF 520B Two Buttons
题目链接:Two Buttons题面:B. Two Buttonstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya has原创 2015-06-03 20:38:36 · 1308 阅读 · 0 评论 -
【打CF,学算法——四星级】CodeForces 86D Powerful array (莫队算法)
题目链接:CF 86D题面:D. Powerful arraytime limit per test5 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAn array of positiv原创 2016-07-12 09:46:39 · 1130 阅读 · 0 评论 -
【打CF,学算法——四星级】CodeForces 514D R2D2 and Droid Army (RMQ+二分)
【CF简介】提交链接:CF 514D题面:D. R2D2 and Droid Armytime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputAn ar原创 2016-07-12 10:12:55 · 1043 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 701B Cells Not Under Attack (分析)
【CF简介】题目链接:CF 701B题面:B. Cells Not Under Attacktime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputVa原创 2016-07-23 15:44:38 · 1436 阅读 · 0 评论 -
【打CF,学算法——三星级】CodeForces 701C They Are Everywhere
【CF简介】题目链接:CF 701C题面:C. They Are Everywheretime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputS原创 2016-07-23 16:02:27 · 1546 阅读 · 0 评论 -
【打CF,学算法——二星级】CodeForces 292A SMSC (模拟)
【CF简介】提交链接:CF 292A题面:A. SMSCtime limit per test 2 secondsmemory limit per test 256 megabytesinput standard inputoutput standard outputSome larg原创 2016-07-13 09:38:45 · 1505 阅读 · 0 评论 -
【打CF,学算法——三星级】Codeforces 698A Vacations (动态规划)
【CF简介】题目链接:CF 698A题面:A. Vacationstime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputVasya has n days原创 2016-07-20 14:57:27 · 1910 阅读 · 2 评论