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Codeforces Round #570 (Div. 3)B. Equalize Prices

原题出处:http://codeforces.com/contest/1183/problem/BTherearennproductsintheshop.Thepriceoftheii-thproductisaiai.Theowneroftheshopwantstoequalizethepricesofallproducts.Howev...

2019-07-31 15:07:54

Codeforces Round #570 (Div. 3)C. Computer Game

原题地址:http://codeforces.com/contest/1183/problem/CVovaisplayingacomputergame.ThereareintotalnnturnsinthegameandVovareallywantstoplayallofthem.Theinitialchargeofhislaptop...

2019-07-31 15:05:50

Codeforces Round #570 (Div. 3)D. Candy Box (easy version)

原题出处:http://codeforces.com/contest/1183/problem/DThisproblemisactuallyasubproblemofproblemGfromthesamecontest.Therearenncandiesinacandybox.Thetypeoftheii-thcandyisaiai(...

2019-07-31 09:32:35

Codeforces Round #570 (Div. 3)E. Subsequences (easy version)

原题出处:http://codeforces.com/contest/1183/problem/ETheonlydifferencebetweentheeasyandthehardversionsisconstraints.Asubsequenceisastringthatcanbederivedfromanotherstringbydele...

2019-07-31 09:28:18

Codeforces Round #570 (Div. 3)F. Topforces Strikes Back

原题出处:http://codeforces.com/contest/1183/problem/FOneimportantcontestwilltakeplaceonthemostfamousprogrammingplatform(Topforces)verysoon!Theauthorshaveapoolofnnproblemsandshou...

2019-07-31 09:11:53

Codeforces Round #570 (Div. 3)G. Candy Box (hard version)

原题出处:http://codeforces.com/contest/1183/problem/GThisproblemisaversionofproblemDfromthesamecontestwithsomeadditionalconstraintsandtasks.Therearenncandiesinacandybox.Thety...

2019-07-30 20:25:36

Codeforces Round #570 (Div. 3)H. Subsequences (hard version)

原题出处:http://codeforces.com/contest/1183/problem/HTheonlydifferencebetweentheeasyandthehardversionsisconstraints.Asubsequenceisastringthatcanbederivedfromanotherstringbydele...

2019-07-30 18:10:43

算符优先分析法设计与实现——程序设计与编译原理

1.定义目标语言的语法规则;例如:E->E+T|TT->T*F|FF->(E)|i2.求解预测分析方法需要的符号集和分析表;终结符集合为:{+,*,(,i,)}非终结符集为:{E,T,F}算符优先分析表为 + * i ( ) ...

2019-06-17 11:09:50

Codeforces Round #544 (Div. 3)E. K Balanced Teams

timelimitpertest3secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputYouareacoachatyourlocaluniversity.Therearennstudentsunderyoursupervi...

2019-04-27 22:47:50

Codeforces Round #547 (Div. 3)B. Maximal Continuous Rest

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputEachdayinBerlandconsistsofnnhours.Polycarplikestimemanagement.That'sw...

2019-04-17 23:04:40

Codeforces Round #547 (Div. 3)C. Polycarp Restores Permutation

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputAnarrayofintegersp1,p2,…,pnp1,p2,…,pniscalledapermutationifitcontainse...

2019-04-17 22:58:54

Codeforces Round #547 (Div. 3)D. Colored Boots

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputTherearennleftbootsandnnrightboots.Eachboothasacolorwhichisdenoted...

2019-04-17 22:46:04

Codeforces Round #547 (Div. 3)E. Superhero Battle

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputAsuperherofightswithamonster.Thebattleconsistsofrounds,eachofwhichla...

2019-04-17 22:30:27

Codeforces Round #547 (Div. 3)F1. Same Sum Blocks (Easy)

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputThisproblemisgivenintwoeditions,whichdifferexclusivelyintheconstraints...

2019-04-17 22:23:02

Codeforces Round #552 (Div. 3) B. Make Them Equal

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputYouaregivenasequencea1,a2,…,ana1,a2,…,anconsistingofnnintegers.Youcan...

2019-04-17 22:11:40

Codeforces Round #552 (Div. 3) C题

timelimitpertest1secondmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputPolycarphasacatandhiscatisarealgourmet!Dependentonadayoftheweekhe...

2019-04-17 19:18:16

E. Median String

timelimitpertest2secondsmemorylimitpertest256megabytesinputstandardinputoutputstandardoutputYouaregiventwostringsssandtt,bothconsistingofexactlykklowercaseLatin...

2019-04-11 22:12:13

Tickets

Youhavewonacollectionofticketsonluxurycruisers.Eachticketcanbeusedonlyonce,butcanbeusedineitherdirectionbetweenthe2differentcitiesprintedontheticket.Yourprizegivesy...

2019-04-08 20:35:06

Min Number

Nowyouaregivenonenon-negativeintegernin10-basenotation,itwillonlycontaindigits('0'-'9').Youareallowedtochoose2integersiandj,suchthat:i!=j,1≤i<j≤|n|,here|n|meansthe...

2019-04-08 18:43:44

Beauty of Array(找规律)

EdwardhasanarrayAwithNintegers.Hedefinesthebeautyofanarrayasthesummationofalldistinctintegersinthearray.NowEdwardwantstoknowthesummationofthebeautyofallcontiguous...

2019-04-07 00:09:43

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