Problem ID Title Solved Submit Pass Rate
306309CF1177A. Digits Sequence (Easy Edition)
TestingRound#15(Unrated)-implementation-*1000
000.000%
306310CF1177B. Digits Sequence (Hard Edition)
TestingRound#15(Unrated)-implementation-*1800
000.000%
306350CF1184A1. Heidi Learns Hashing (Easy)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-math-*1200
000.000%
306351CF1184A2. Heidi Learns Hashing (Medium)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-*2100
000.000%
306352CF1184A3. Heidi Learns Hashing (Hard)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-fft-math-*3100
000.000%
306353CF1184B1. The Doctor Meets Vader (Easy)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-sortings-*1400
000.000%
306354CF1184B2. The Doctor Meets Vader (Medium)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-flows-graphs-sortings-*2
000.000%
306355CF1184B3. The Doctor Meets Vader (Hard)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-flows-*2700
000.000%
306356CF1184C1. Heidi and the Turing Test (Easy)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-implementation-*1600
000.000%
306357CF1184C2. Heidi and the Turing Test (Medium)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-*2200
000.000%
306358CF1184C3. Heidi and the Turing Test (Hard)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-*3200
000.000%
306359CF1184D1. Parallel Universes (Easy)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-implementation-*1600
000.000%
306360CF1184D2. Parallel Universes (Hard)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-math-matrices-*3100
000.000%
306361CF1184E1. Daleks' Invasion (easy)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-graphs-trees-*1900
000.000%
306362CF1184E2. Daleks' Invasion (medium)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-graphs-trees-*2100
000.000%
306363CF1184E3. Daleks' Invasion (hard)
HelveticCodingContest2019onlinemirror(teamsallowed,unrated)-dsu-graphs-trees-*2400
000.000%
306410CF1192A. Building Skyscrapers
CEOI2019day1onlinemirror(unrated,IOIformat)
000.000%
306411CF1192B. Dynamic Diameter
CEOI2019day1onlinemirror(unrated,IOIformat)-trees
000.000%
306412CF1192C. Cubeword
CEOI2019day1onlinemirror(unrated,IOIformat)-dp-meet-in-the-middle
000.000%
306413CF1193A. Amusement Park
CEOI2019day2onlinemirror(unrated,IOIformat)-dp-math
000.000%
306414CF1193B. Magic Tree
CEOI2019day2onlinemirror(unrated,IOIformat)-dp-trees
000.000%
306415CF1193C. Scissors and Tape
CEOI2019day2onlinemirror(unrated,IOIformat)-geometry
000.000%
306584CF1218A. BubbleReactor
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-dp-graphs-*2800
000.000%
306585CF1218B. Guarding warehouses
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-geometry-*3000
000.000%
306586CF1218C. Jumping Transformers
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-dp-*2600
000.000%
306587CF1218D. Xor Spanning Tree
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-fft-graphs-*2400
000.000%
306588CF1218E. Product Tuples
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-fft-*2500
000.000%
306589CF1218F. Workout plan
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-greedy-*1500
000.000%
306590CF1218G. Alpha planetary system
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-graphs-*3000
000.000%
306591CF1218H. Function Composition
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-*2900
000.000%
306592CF1218I. The Light Square
BubbleCup12-Finals[OnlineMirror,unrated,Div.1]-2-sat-greedy-*2100
000.000%
306593CF1219A. BubbleReactor
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-*2800
000.000%
306594CF1219B. Xor Spanning Tree
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-*2400
000.000%
306595CF1219C. Periodic integer number
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-implementation-strings-*1700
000.000%
306596CF1219D. Workout plan
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-greedy-*1500
000.000%
306597CF1219E. Jumping Transformers
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-*2600
000.000%
306598CF1219F. Guarding warehouses
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-*3000
000.000%
306599CF1219G. Harvester
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-implementation-*2000
000.000%
306600CF1219H. Function Composition
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-*2900
000.000%
306601CF1219I. The Light Square
BubbleCup12-Finals[OnlineMirror,unrated,Div.2]-2-sat-greedy-*2100
000.000%
306891CF1267B. Balls of Buma
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306893CF1267D. DevOps Best Practices
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306894CF1267E. Elections
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306896CF1267G. Game Relics
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306897CF1267H. Help BerLine
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306898CF1267I. Intriguing Selection
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306899CF1267J. Just Arrange the Icons
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306900CF1267K. Key Storage
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
306901CF1267L. Lexicography
2019-2020ICPC,NERC,NorthernEurasiaFinals(Unrated,OnlineMirror,ICPCRules,TeamsPreferred)
000.000%
307103CF1302A. Nash equilibrium
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307104CF1302B. DAG
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307105CF1302C. Segment tree or Fenwick?
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307106CF1302D. Dijkstra
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307107CF1302E. Amazing bitset
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307108CF1302F. Keep talking and nobody explodes – easy
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)-bitmasks
000.000%
307109CF1302G. Keep talking and nobody explodes – medium
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307110CF1302H. Who needs suffix structures?
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307111CF1302I. Deja vu
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307112CF1302J. Keep talking and nobody explodes – hard
AIMTechPoorlyPreparedContest(unrated,funny,Div.1preferred)
000.000%
307396CF1351A. A+B (Trial Problem)
TestingRound#16(Unrated)-implementation-*800
000.000%
307397CF1351B. Square?
TestingRound#16(Unrated)-implementation-math-*900
000.000%
307398CF1351C. Skier
TestingRound#16(Unrated)-implementation-*1400
000.000%
307633CF1386A. Colors
BalticOlympiadinInformatics2020,Day1(IOI,UnofficialMirrorContest,Unrated)-interactive-
000.000%
307634CF1386B. Mixture
BalticOlympiadinInformatics2020,Day1(IOI,UnofficialMirrorContest,Unrated)-geometry-ma
000.000%
307635CF1386C. Joker
BalticOlympiadinInformatics2020,Day1(IOI,UnofficialMirrorContest,Unrated)-bitmasks-ds
000.000%
307636CF1387A. Graph
BalticOlympiadinInformatics2020,Day2(IOI,UnofficialMirrorContest,Unrated)-dp-math-*
000.000%
307637CF1387B1. Village (Minimum)
BalticOlympiadinInformatics2020,Day2(IOI,UnofficialMirrorContest,Unrated)-dp-greedy-
000.000%
307638CF1387B2. Village (Maximum)
BalticOlympiadinInformatics2020,Day2(IOI,UnofficialMirrorContest,Unrated)-trees-*2500
000.000%
307639CF1387C. Viruses
BalticOlympiadinInformatics2020,Day2(IOI,UnofficialMirrorContest,Unrated)-dp-*2900
000.000%
307720CF1402A. Fancy Fence
Central-EuropeanOlympiadinInformatics,CEOI2020,Day1(IOI,UnofficialMirrorContest,Unrated)
000.000%
307721CF1402B. Roads
Central-EuropeanOlympiadinInformatics,CEOI2020,Day1(IOI,UnofficialMirrorContest,Unrated)
000.000%
307722CF1402C. Star Trek
Central-EuropeanOlympiadinInformatics,CEOI2020,Day1(IOI,UnofficialMirrorContest,Unrated)
000.000%
307723CF1403A. The Potion of Great Power
Central-EuropeanOlympiadinInformatics,CEOI2020,Day2(IOI,UnofficialMirrorContest,Unrated)
000.000%
307724CF1403B. Spring cleaning
Central-EuropeanOlympiadinInformatics,CEOI2020,Day2(IOI,UnofficialMirrorContest,Unrated)
000.000%
307725CF1403C. Chess Rush
Central-EuropeanOlympiadinInformatics,CEOI2020,Day2(IOI,UnofficialMirrorContest,Unrated)
000.000%
307823CF1423A. Wakanda Forever
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-*3500
000.000%
307824CF1423B. Valuable Paper
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-flows-graphs-*1900
000.000%
307825CF1423C. Dušan's Railway
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-graphs-trees-*3500
000.000%
307826CF1423D. Does anyone else hate the wind?
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-*3100
000.000%
307827CF1423E. 5G Antenna Towers
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-geometry-*2700
000.000%
307828CF1423F. Coins
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-math-*2700
000.000%
307829CF1423G. Growing flowers
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-*3500
000.000%
307830CF1423H. Virus
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-dsu-graphs-*2500
000.000%
307831CF1423I. Lookup Tables
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-bitmasks-*3000
000.000%
307832CF1423J. Bubble Cup hypothesis
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-bitmasks-dp-math-*2400
000.000%
307833CF1423K. Lonely Numbers
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-math-*1600
000.000%
307834CF1423L. Light switches
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-meet-in-the-middle-*2600
000.000%
307835CF1423M. Milutin's Plums
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-interactive-*2800
000.000%
307836CF1423N. BubbleSquare Tokens
BubbleCup13-Finals[OnlineMirror,unrated,Div.1]-*3500
000.000%
307837CF1424A. Wakanda Forever
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-*3500
000.000%
307838CF1424B. Valuable Paper
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-flows-*1900
000.000%
307839CF1424C. Dušan's Railway
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-graphs-trees-*3500
000.000%
307840CF1424D. Does anyone else hate the wind?
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-*3100
000.000%
307841CF1424E. 5G Antenna Towers
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-*2700
000.000%
307842CF1424F. Coins
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-*2700
000.000%
307843CF1424G. Years
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-sortings-*1300
000.000%
307844CF1424H. Lookup Tables
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-bitmasks-*3000
000.000%
307845CF1424I. Bubble Cup hypothesis
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-*2400
000.000%
307846CF1424J. Lonely Numbers
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-math-*1600
000.000%
307847CF1424K. Light switches
BubbleCup13-Finals[OnlineMirror,unrated,Div.2]-hashing-meet-in-the-middle-*2600
000.000%