| ID |
Problem Name |
Difficulty Level |
| 1 |
Flowers |
1 |
| 2 |
Prizes, Prizes, more Prizes |
3 |
| 3 |
Xenia and Bit Operations |
4 |
| 4 |
Vasya and Chess |
4 |
| 5 |
Mashmokh and ACM |
3 |
| 6 |
Multiplication Table |
5 |
| 7 |
Unbearable Controversy of Being |
3 |
| 8 |
Caesar's Legions |
4 |
| 9 |
Colorful Graph |
4 |
| 10 |
Little Girl and Maximum XOR |
4 |
| 11 |
Common Divisors |
4 |
| 12 |
Magic Box |
4 |
| 13 |
Good Sequences |
4 |
| 14 |
Password |
4 |
| 15 |
Greg and Graph |
4 |
| 16 |
Working out |
4 |
| 17 |
Count Good Substrings |
5 |
| 18 |
Good Substrings |
5 |
| 19 |
Long Path |
4 |
| 20 |
Maximum Value |
5 |
| 21 |
Greenhouse Effect |
4 |
| 22 |
Red-Green Towers |
5 |
| 23 |
Maximum Submatrix 2 |
4 |
| 24 |
Cow Program |
4 |
| 25 |
Biridian Forest |
4 |
| 26 |
Andrey and Problem |
4 |
| 27 |
DZY Loves Modification |
5 |
| 28 |
Zero Tree |
4 |
| 29 |
Prefixes and Suffixes |
5 |
| 30 |
Queue |
4 |
| 31 |
Chips |
4 |
| 32 |
Valid Sets |
5 |
| 33 |
Pair of Numbers |
5 |
| 34 |
Planets |
4 |
| 35 |
Queue |
5 |
| 36 |
Petya and Divisors |
4 |
| 37 |
Obsessive String |
5 |
| 38 |
Dima and Bacteria |
5 |
| 39 |
Psychos in a Line |
4 |
| 40 |
Ciel and Duel |
5 |
| 41 |
Falling Anvils |
4 |
| 42 |
Hit Ball |
4 |
| 43 |
Toy Sum |
4 |
| 44 |
Lucky Common Subsequence |
5 |
| 45 |
Two Paths |
5 |
| 46 |
Help General |
4 |
| 47 |
Dima and Two Sequences |
4 |
| 48 |
How many trees? |
5 |
| 49 |
Lucky Number 2 |
5 |
| 50 |
Cinema |
6 |
| 51 |
Wizards and Huge Prize |
5 |
| 52 |
Apple Tree |
5 |
| 53 |
Yaroslav and Time |
5 |
| 54 |
Numbers |
5 |
| 55 |
Treasure Island |
4 |
| 56 |
Book of Evil |
5 |
| 57 |
Sereja and Periods |
5 |
| 58 |
Infinite Maze |
5 |
| 59 |
Playing with Permutations |
5 |
| 60 |
Doctor |
4 |
| 61 |
Animals |
4 |
| 62 |
Mushroom Scientists |
4 |
| 63 |
Tennis Game |
4 |
| 64 |
Buses |
4 |
| 65 |
String |
5 |
| 66 |
Shifting |
5 |
| 67 |
Boring Partition |
4 |
| 68 |
Analyzing Polyline |
5 |
| 69 |
Vasya and Types |
4 |
| 70 |
Lizards and Basements 2 |
6 |
| 71 |
Constellation |
5 |
| 72 |
Pawn |
5 |
| 73 |
Journey |
5 |
| 74 |
Tanya and Password |
7 |
| 75 |
Demonstration |
4 |
| 76 |
Big Maximum Sum |
5 |
| 77 |
The Child and Zoo |
4 |
| 78 |
Mr. Bender and Square |
4 |
| 79 |
Special Grid |
5 |
| 80 |
Name That Tune |
6 |
| 81 |
Ring Road 2 |
5 |
| 82 |
Russian Roulette |
5 |
| 83 |
Snake |
6 |
| 84 |
Upgrading Array |
5 |
| 85 |
Edges in MST |
6 |
| 86 |
Fools and Foolproof Roads |
6 |
| 87 |
End of Exams |
5 |
| 88 |
Restoring Numbers |
7 |
| 89 |
Cats Transport |
7 |
| 90 |
Broken Monitor |
5 |
| 91 |
The Minimum Number of Variables |
6 |
| 92 |
Volcanoes |
7 |
| 93 |
Widget Library |
5 |
| 94 |
Misha and Permutations Summation |
4 |
| 95 |
BerDonalds |
7 |
| 96 |
Tower of Hanoi |
8 |
| 97 |
Mr. Kitayuta's Technology |
5 |
| 98 |
Shoe Store |
7 |
| 99 |
Inna and Sweet Matrix |
8 |
| 100 |
Help King |
9 |