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2rf

Fight fire with fire
Rank by solved304 out of 167016
Problems solved504 out of 1198
Rank by rating196 out of 167016
Rating328024 out of 1711600
Recent submissions
Recent accepted submissions

The map of solved problems

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Sort by volume and id | volume and difficulty | difficulty
Volume 1Rank in ranklist: 565 out of 134546
 
Problems solved: 81 out of 100
10001001100210031004100510061007100810091010101110121013101410151016101710181019
10201021102210231024102510261027102810291030103110321033103410351036103710381039
10401041104210431044104510461047104810491050105110521053105410551056105710581059
10601061106210631064106510661067106810691070107110721073107410751076107710781079
10801081108210831084108510861087108810891090109110921093109410951096109710981099
Volume 2Rank in ranklist: 477 out of 43611
 
Problems solved: 68 out of 100
11001101110211031104110511061107110811091110111111121113111411151116111711181119
11201121112211231124112511261127112811291130113111321133113411351136113711381139
11401141114211431144114511461147114811491150115111521153115411551156115711581159
11601161116211631164116511661167116811691170117111721173117411751176117711781179
11801181118211831184118511861187118811891190119111921193119411951196119711981199
Volume 3Rank in ranklist: 305 out of 59051
 
Problems solved: 72 out of 100
12001201120212031204120512061207120812091210121112121213121412151216121712181219
12201221122212231224122512261227122812291230123112321233123412351236123712381239
12401241124212431244124512461247124812491250125112521253125412551256125712581259
12601261126212631264126512661267126812691270127112721273127412751276127712781279
12801281128212831284128512861287128812891290129112921293129412951296129712981299
Volume 4Rank in ranklist: 333 out of 32907
 
Problems solved: 46 out of 100
13001301130213031304130513061307130813091310131113121313131413151316131713181319
13201321132213231324132513261327132813291330133113321333133413351336133713381339
13401341134213431344134513461347134813491350135113521353135413551356135713581359
13601361136213631364136513661367136813691370137113721373137413751376137713781379
13801381138213831384138513861387138813891390139113921393139413951396139713981399
Volume 5Rank in ranklist: 276 out of 48401
 
Problems solved: 52 out of 100
14001401140214031404140514061407140814091410141114121413141414151416141714181419
14201421142214231424142514261427142814291430143114321433143414351436143714381439
14401441144214431444144514461447144814491450145114521453145414551456145714581459
14601461146214631464146514661467146814691470147114721473147414751476147714781479
14801481148214831484148514861487148814891490149114921493149414951496149714981499
Volume 6Rank in ranklist: 254 out of 31512
 
Problems solved: 47 out of 100
15001501150215031504150515061507150815091510151115121513151415151516151715181519
15201521152215231524152515261527152815291530153115321533153415351536153715381539
15401541154215431544154515461547154815491550155115521553155415551556155715581559
15601561156215631564156515661567156815691570157115721573157415751576157715781579
15801581158215831584158515861587158815891590159115921593159415951596159715981599
Volume 7Rank in ranklist: 189 out of 30290
 
Problems solved: 50 out of 100
16001601160216031604160516061607160816091610161116121613161416151616161716181619
16201621162216231624162516261627162816291630163116321633163416351636163716381639
16401641164216431644164516461647164816491650165116521653165416551656165716581659
16601661166216631664166516661667166816691670167116721673167416751676167716781679
16801681168216831684168516861687168816891690169116921693169416951696169716981699
Volume 8Rank in ranklist: 247 out of 34168
 
Problems solved: 46 out of 100
17001701170217031704170517061707170817091710171117121713171417151716171717181719
17201721172217231724172517261727172817291730173117321733173417351736173717381739
17401741174217431744174517461747174817491750175117521753175417551756175717581759
17601761176217631764176517661767176817691770177117721773177417751776177717781779
17801781178217831784178517861787178817891790179117921793179417951796179717981799
Volume 9Rank in ranklist: 456 out of 28829
 
Problems solved: 23 out of 98
18001801180218031804180518061807180818091810181118121813181418151816181718181819
18201821182218231824182518261827182818291830183118321833183418351836183718381839
18401841184218431844184518461847184818491850185118521853185418551856185718581859
18601861186218631864186518661867186818691870187118721873187418751876187718781879
188018811882188318841885188618871888188918901891189218931894189518961897
Volume 10Rank in ranklist: 611 out of 16865
 
Problems solved: 17 out of 100
19001901190219031904190519061907190819091910191119121913191419151916191719181919
19201921192219231924192519261927192819291930193119321933193419351936193719381939
19401941194219431944194519461947194819491950195119521953195419551956195719581959
19601961196219631964196519661967196819691970197119721973197419751976197719781979
19801981198219831984198519861987198819891990199119921993199419951996199719981999
Volume 11Rank in ranklist: 15143 out of 26223
 
Problems solved: 1 out of 100
20002001200220032004200520062007200820092010201120122013201420152016201720182019
20202021202220232024202520262027202820292030203120322033203420352036203720382039
20402041204220432044204520462047204820492050205120522053205420552056205720582059
20602061206220632064206520662067206820692070207120722073207420752076207720782079
20802081208220832084208520862087208820892090209120922093209420952096209720982099
Volume 12Rank in ranklist: 3306 out of 9253
 
Problems solved: 1 out of 100
21002101210221032104210521062107210821092110211121122113211421152116211721182119
21202121212221232124212521262127212821292130213121322133213421352136213721382139
21402141214221432144214521462147214821492150215121522153215421552156215721582159
21602161216221632164216521662167216821692170217121722173217421752176217721782179
21802181218221832184218521862187218821892190219121922193219421952196219721982199

Neighbours

RankAuthorRatingSolvedLast AC
301xt30002417685067 May 2011 23:59
302Xun Li17334250623 Sep 2023 23:37
303random1315925064 Sep 2025 23:50
3042rf3280245048 Nov 2023 01:10
305mirzman30101650410 Jun 2019 23:21
306henryy31388350330 Apr 2008 13:21
307tchernov23788850315 Jun 2015 03:51
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