| Problems |
Solved |
Name |
Difficulty |
Solved |
| 580B |
O |
Kefa and Company |
1500 |
x9884 |
| binary search, sortings, two pointers |
| 676C |
O |
Vasya and String |
1500 |
x7629 |
| binary search, dp, strings, two pointers |
| 701C |
O |
They Are Everywhere |
1500 |
x6398 |
| binary search, strings, two pointers |
| 1190A |
O |
Tokitsukaze and Discard Items |
1500 |
x6336 |
| implementation, two pointers |
| 788A |
O |
Functions again |
1500 |
x5823 |
| dp, two pointers |
| 1208B |
|
Uniqueness |
1500 |
x5496 |
| binary search, brute force, implementation, two pointers |
| 6C |
|
Alice, Bob and Chocolate |
1500 |
x5383 |
| greedy, two pointers |
| 1041C |
|
Coffee Break |
1500 |
x5356 |
| binary search, data structures, greedy, two pointers |
| 1251C |
|
Minimize The Integer |
1500 |
x5286 |
| greedy, two pointers |
| 920C |
|
Swap Adjacent Elements |
1500 |
x4854 |
| dfs and similar, greedy, math, sortings, two pointers |
| 1066B |
|
Heaters |
1500 |
x4391 |
| greedy, two pointers |
| 702C |
|
Cellular Network |
1500 |
x4113 |
| binary search, implementation, two pointers |
| 875B |
|
Sorting the Coins |
1500 |
x3977 |
| dsu, implementation, sortings, two pointers |
| 1158A |
|
The Party and Sweets |
1500 |
x3918 |
| binary search, constructive algorithms, greedy, implementation, math, sortings, two pointers |
| 224B |
|
Array |
1500 |
x3741 |
| bitmasks, implementation, two pointers |
| 384B |
|
Multitasking |
1500 |
x2481 |
| greedy, implementation, sortings, two pointers |
| 165C |
|
Another Problem on Strings |
1600 |
x6030 |
| binary search, brute force, dp, math, strings, two pointers |
| 1166C |
|
A Tale of Two Lands |
1600 |
x5129 |
| binary search, sortings, two pointers |
| 1036D |
|
Vasya and Arrays |
1600 |
x4816 |
| greedy, two pointers |
| 1196D2 |
|
RGB Substring (hard version) |
1600 |
x4714 |
| data structures, dp, implementation, two pointers |
| 749C |
|
Voting |
1600 |
x4502 |
| greedy, implementation, two pointers |
| 777C |
|
Alyona and Spreadsheet |
1600 |
x4254 |
| binary search, data structures, dp, greedy, implementation, two pointers |
| 660C |
|
Hard Process |
1600 |
x4125 |
| binary search, dp, two pointers |
| 734C |
|
Anton and Making Potions |
1600 |
x3967 |
| binary search, dp, greedy, two pointers |
| 924B |
|
Three-level Laser |
1600 |
x3936 |
| binary search, greedy, two pointers |
| 814C |
|
An impassioned circulation of affection |
1600 |
x3711 |
| brute force, dp, strings, two pointers |
| 939C |
|
Convenient For Everybody |
1600 |
x3418 |
| binary search, two pointers |
| 237C |
|
Primes on Interval |
1600 |
x3217 |
| binary search, number theory, two pointers |
| 1060C |
|
Maximum Subrectangle |
1600 |
x3187 |
| binary search, implementation, two pointers |
| 229A |
|
Shifts |
1600 |
x2681 |
| brute force, two pointers |
| 769B |
|
News About Credit |
1600 |
x2674 |
| *special problem, greedy, two pointers |
| 645C |
|
Enduring Exodus |
1600 |
x2153 |
| binary search, two pointers |
| 873C |
|
Strange Game On Matrix |
1600 |
x2077 |
| greedy, two pointers |
| 175C |
|
Geometry Horse |
1600 |
x869 |
| greedy, implementation, sortings, two pointers |
| 466C |
|
Number of Ways |
1700 |
x15111 |
| binary search, brute force, data structures, dp, two pointers |
| 446A |
|
DZY Loves Sequences |
1700 |
x7118 |
| dp, implementation, two pointers |
| 372A |
|
Counting Kangaroos is Fun |
1700 |
x5816 |
| binary search, greedy, sortings, two pointers |
| 427C |
|
Checkposts |
1700 |
x5450 |
| dfs and similar, graphs, two pointers |
| 1198A |
|
MP3 |
1700 |
x5442 |
| sortings, two pointers |
| 279C |
|
Ladder |
1700 |
x4488 |
| dp, implementation, two pointers |
| 1148B |
|
Born This Way |
1700 |
x4383 |
| binary search, brute force, two pointers |
| 493C |
|
Vasya and Basketball |
1700 |
x4157 |
| binary search, brute force, data structures, implementation, sortings, two pointers |
| 1257D |
|
Yet Another Monster Killing Problem |
1700 |
x3921 |
| binary search, data structures, dp, greedy, sortings, two pointers |
| 231C |
|
To Add or Not to Add |
1700 |
x3901 |
| binary search, sortings, two pointers |
| 1041D |
|
Glider |
1700 |
x3753 |
| binary search, data structures, two pointers |
| 616D |
|
Longest k-Good Segment |
1700 |
x3541 |
| binary search, data structures, two pointers |
| 1043D |
|
Mysterious Crime |
1700 |
x3003 |
| brute force, combinatorics, math, meet-in-the-middle, two pointers |
| 895B |
|
XK Segments |
1700 |
x2408 |
| binary search, math, sortings, two pointers |
| 1044A |
|
The Tower is Going Home |
1700 |
x2018 |
| binary search, two pointers |
| 281B |
|
Nearest Fraction |
1700 |
x1997 |
| brute force, implementation, two pointers |
| 46C |
|
Hamsters and Tigers |
1700 |
x1341 |
| two pointers |
| 180E |
|
Cubes |
1700 |
x946 |
| binary search, dp, two pointers |
| 577B |
|
Modulo Sum |
1800 |
x5184 |
| combinatorics, data structures, dp, two pointers |
| 1203D2 |
|
Remove the Substring (hard version) |
1800 |
x3664 |
| binary search, greedy, implementation, two pointers |
| 1073C |
|
Vasya and Robot |
1800 |
x2773 |
| binary search, two pointers |
| 1042D |
|
Petya and Array |
1800 |
x2667 |
| data structures, divide and conquer, two pointers |
| 733C |
|
Epidemic in Monstropolis |
1800 |
x2613 |
| constructive algorithms, dp, greedy, two pointers |
| 1282C |
|
Petya and Exam |
1800 |
x1812 |
| greedy, sortings, two pointers |
| 652C |
|
Foe Pairs |
1800 |
x1720 |
| combinatorics, sortings, two pointers |
| 222D |
|
Olympiad |
1800 |
x1578 |
| binary search, greedy, sortings, two pointers |
| 533E |
|
Correcting Mistakes |
1800 |
x1516 |
| constructive algorithms, dp, greedy, hashing, strings, two pointers |
| 79C |
|
Beaver |
1800 |
x1139 |
| data structures, dp, greedy, hashing, strings, two pointers |
| 216D |
|
Spider's Web |
1800 |
x812 |
| binary search, sortings, two pointers |
| 519D |
|
A and B and Interesting Substrings |
1900 |
x3948 |
| data structures, dp, two pointers |
| 439D |
|
Devu and his Brother |
1900 |
x2953 |
| binary search, sortings, ternary search, two pointers |
| 1200D |
|
White Lines |
1900 |
x2658 |
| brute force, data structures, dp, implementation, two pointers |
| 650B |
|
Image Preview |
1900 |
x2590 |
| binary search, brute force, dp, two pointers |
| 853B |
|
Jury Meeting |
1900 |
x2000 |
| greedy, sortings, two pointers |