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Problemset

893 problems · filtered by 1 tag

✓#Name✎Rating↕Solved↕
402DUpgrading Array
dpgreedymathnumber theory
18002.8k
401DRoman and Numbers
bitmasksbrute forcecombinatoricsdpnumber theory
20004.7k
396AOn Number of Decompositions into Multipliers
combinatoricsmathnumber theory
unrated1.7k
396BOn Sum of Fractions
mathnumber theory
unrated1.2k
385CBear and Prime Numbers
binary searchbrute forcedata structuresdpimplementationmathnumber theory
170010.8k
375ADivisible by Seven
mathnumber theory
16005.4k
371BFox Dividing Cheese
mathnumber theory
130012.7k
364CBeautiful Set
brute forcenumber theory
2300656
361BLevko and Permutation
constructive algorithmsmathnumber theory
12008.8k
360DLevko and Sets
number theory
2600521
359CPrime Number
mathnumber theory
19003.6k
354CVasya and Beautiful Arrays
brute forcedpnumber theory
21003.4k
353CFind Maximum
implementationmathnumber theory
16005.3k
348BApple Tree
dfs and similarnumber theorytrees
21002.3k
346AAlice and Bob
gamesmathnumber theory
16009.4k
346EDoodle Jump
mathnumber theory
3000345
343ARational Resistance
mathnumber theory
160010.2k
338DGCD Table
chinese remainder theoremmathnumber theory
29001.5k
337BRoutine Problem
greedymathnumber theory
140010.1k
337CQuiz
binary searchgreedymathmatricesnumber theory
16005.3k
337EDivisor Tree
brute forcenumber theorytrees
22001.2k
336CVasily the Bear and Sequence
brute forcegreedyimplementationnumber theory
18002.7k
336DVasily the Bear and Beautiful Strings
combinatoricsmathnumber theory
21001.2k
313AIlya and Bank Account
implementationnumber theory
90066.2k
306CWhite, Black and White Again
combinatoricsnumber theory
2100662
303CMinimum Modular
brute forcegraphsmathnumber theory
2400988
303DRotatable Number
mathnumber theory
2600436
300EEmpire Strikes Back
binary searchmathnumber theory
23001.1k
299AKsusha and Array
brute forcenumber theorysortings
10009.6k
294CShaass and Lights
combinatoricsnumber theory
19004.5k
294DShaass and Painter Robot
brute forceimplementationnumber theory
2500413
293CCube Problem
brute forcemathnumber theory
2400698
284ACows and Primitive Roots
implementationmathnumber theory
14007.4k
283DCows and Cool Sequences
dpmathnumber theory
2400718
279EBeautiful Decomposition
dpgamesgreedynumber theory
19001.6k
271BPrime Matrix
binary searchbrute forcemathnumber theory
130015.8k
271EThree Horses
constructive algorithmsmathnumber theory
2200685
267ASubtractions
mathnumber theory
9009.7k
264BGood Sequences
dpnumber theory
150012.3k
251CNumber Transformation
dpgreedynumber theory
20001.2k
248BChilly Willy
mathnumber theory
14005.9k
237CPrimes on Interval
binary searchnumber theorytwo pointers
16006.8k
236BEasy Number Challenge
implementationnumber theory
130017.5k
235ALCM Challenge
number theory
160021.5k
235ENumber Challenge
combinatoricsdpimplementationmathnumber theory
2600963
230BT-primes
binary searchimplementationmathnumber theory
130099.4k
226CAnniversary
data structuresimplementationmathmatricesnumber theory
24001k
225BWell-known Numbers
binary searchgreedynumber theory
16003.4k
225EUnsolvable
mathnumber theory
2100926
223CPartial Sums
combinatoricsmathnumber theory
19001.8k
222CReducing Fractions
implementationmathnumber theorysortings
18003k
216EMartian Luck
mathnumber theory
2000700
215EPeriodical Numbers
combinatoricsdpnumber theory
2100698
200ETractor College
implementationmathnumber theoryternary search
2400374
199AHexadecimal's theorem
brute forceconstructive algorithmsimplementationnumber theory
90030.8k
185DVisit of the Great
mathnumber theory
2600538
180BDivisibility Rules
mathnumber theory
2300488
177B1Rectangular Game
number theory
10005.2k
177B2Rectangular Game
number theory
12003.4k
172BPseudorandom Sequence Period
*specialimplementationnumber theory
12003.2k
172DCalendar Reform
*specialnumber theory
15001.5k
171Fucyhf
*specialbrute forceimplementationnumber theory
16001.5k
158DIce Sculptures
*specialbrute forcenumber theory
13006.5k
154BColliders
mathnumber theory
16006.3k
150AWin or Freeze
gamesmathnumber theory
14008.7k
134BPairs of Numbers
brute forcedfs and similarmathnumber theory
19002.5k
123APrime Permutation
implementationnumber theorystrings
13004.1k
122ALucky Division
brute forcenumber theory
1000153.2k
121CLucky Permutation
brute forcecombinatoricsnumber theory
19001.5k
117BVery Interesting Game
brute forcenumber theory
18001.8k
113CDouble Happiness
brute forcemathnumber theory
22001.5k
111BPetya and Divisors
binary searchdata structuresnumber theory
19004.2k
93ELostborn
dpmathnumber theory
2600555
84AToy Army
mathnumber theory
90016.8k
83DNumbers
dpmathnumber theory
24001.1k
78CBeaver Game
dpgamesnumber theory
20002.2k
75CModified GCD
binary searchnumber theory
160016.4k
74CChessboard Billiard
dfs and similardsugraphsnumber theory
21001.4k
73EMorrowindows
mathnumber theory
2400435
71CRound Table Knights
dpmathnumber theory
16007.4k
68AIrrational problem
implementationnumber theory
11005.4k
66DPetya and His Friends
constructive algorithmsmathnumber theory
17003.8k
64EPrime Segment
*specialbrute forcemathnumber theory
1800295
59BFortune Telling
implementationnumber theory
12008.1k
55DBeautiful numbers
dpnumber theory
25004.8k
45GPrime Problem
number theory
22001.3k
27ENumber With The Given Amount Of Divisors
brute forcedpnumber theory
20005k
26AAlmost Prime
number theory
90044.6k
17ANoldbach problem
brute forcemathnumber theory
100022.2k
17DNotepad
number theory
24001.4k
16CMonitor
binary searchnumber theory
18005.5k
10CDigital Root
number theory
20001.8k
7CLine
mathnumber theory
18005.7k

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