Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.
Search on plain tags, ratings, names, and problem text. Example: brute force or binary search
1 2 3 ... 44 45 46 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 328729 | Theatre Square | math | Statement | A | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 1300 | |
| 26952 | Spreadsheet | implementation math | Statement | B | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 1700 | |
| 6661 | Ancient Berland Circus | geometry math | Statement | C | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 2100 | |
| 31949 | Winner | hashing implementation | Statement | A | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 1600 | |
| 13348 | The least round way | dp math | Statement | B | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 2000 | |
| 2154 | Commentator problem | geometry | Statement | C | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 2600 | |
| 22587 | Shortest path of the king | greedy shortest paths | Statement | A | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 1200 | |
| 8431 | Tic-tac-toe | brute force games implementation | Statement | C | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 1700 | |
| 5362 | Lorry | greedy sortings | Statement | B | Codeforces Beta Round 3 {3} | PROGRAMMING | Codeforces Beta Round #3 — Tutorial | 1900 | |
| 4303 | Least Cost Bracket Sequence | greedy | Statement | D | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 2500 | |
| 715647 | Watermelon | brute force math | Statement | A | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1200 | ||
| 113821 | Registration System | data structures hashing implementation | Statement | C | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1500 | ||
| 30252 | Before an Exam | constructive algorithms greedy | Statement | B | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1500 | ||
| 12474 | Mysterious Present | dp sortings | Statement | D | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1800 | ||
| 11384 | Chat Servers Outgoing Traffic | implementation | Statement | A | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1200 | |
| 6946 | Center Alignment | implementation strings | Statement | B | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1400 | |
| 18954 | Longest Regular Bracket Sequence | constructive algorithms data structures dp greedy sortings strings | Statement | C | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1900 | |
| 1996 | Follow Traffic Rules | implementation math | Statement | D | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 2100 | |
| 2597 | Bindian Signalizing | data structures | Statement | E | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 2400 | |
| 23408 | Triangle | brute force geometry | Statement | A | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1300 | |
| 15195 | President's Office | implementation | Statement | B | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1400 | |
| 18469 | Alice, Bob and Chocolate | greedy two pointers | Statement | C | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1500 | |
| 4011 | Exposition | binary search data structures dsu trees two pointers | Statement | E | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Beta Round #6 - Разбор задач | 1900 | |
| 2345 | Lizards and Basements 2 | brute force dp | Statement | D | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Beta Round #6 - Разбор задач | 2100 | |
| 8170 | Kalevitch and Chess | brute force constructive algorithms | Statement | A | Codeforces Beta Round 7 {7} | PROGRAMMING | 1300 | ||
| 3010 | Memory Manager | implementation | Statement | B | Codeforces Beta Round 7 {7} | PROGRAMMING | 1700 | ||
| 5738 | Line | math number theory | Statement | C | Codeforces Beta Round 7 {7} | PROGRAMMING | 1800 | ||
| 4750 | Palindrome Degree | hashing strings | Statement | D | Codeforces Beta Round 7 {7} | PROGRAMMING | 2200 | ||
| 814 | Defining Macros | dp expression parsing implementation | Statement | E | Codeforces Beta Round 7 {7} | PROGRAMMING | 2500 | ||
| 6898 | Train and Peter | strings | Statement | A | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 1400 | |
| 5072 | Obsession with Robots | constructive algorithms graphs implementation | Statement | B | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 1500 | |
| 4456 | Looking for Order | bitmasks dp | Statement | C | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 2000 | |
| 600 | Two Friends | binary search geometry | Statement | D | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 2600 | |
| 816 | Beads | dp graphs | Statement | E | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 2600 | |
| 71875 | Die Roll | math probabilities | Statement | A | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1000 | |
| 6309 | Running Student | brute force geometry implementation | Statement | B | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1500 | |
| 14567 | Hexadecimal's Numbers | brute force implementation math | Statement | C | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1500 | |
| 4640 | How many trees? | combinatorics divide and conquer dp | Statement | D | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 2000 | |
| 1195 | Interestring graph and Apples | dfs and similar dsu graphs | Statement | E | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 2300 | |
| 8556 | Power Consumption Calculation | implementation | Statement | A | Codeforces Beta Round 10 {10} | PROGRAMMING | 1100 | ||
| 2120 | Cinema Cashier | dp implementation | Statement | B | Codeforces Beta Round 10 {10} | PROGRAMMING | 1600 | ||
| 1791 | Digital Root | number theory | Statement | C | Codeforces Beta Round 10 {10} | PROGRAMMING | 2000 | ||
| 962 | Greedy Change | constructive algorithms | Statement | E | Codeforces Beta Round 10 {10} | PROGRAMMING | 2600 | ||
| 5980 | LCIS | dp | Statement | D | Codeforces Beta Round 10 {10} | PROGRAMMING | 2700 | ||
| 15841 | Increasing Sequence | constructive algorithms implementation math | Statement | A | Codeforces Beta Round 11 {11} | PROGRAMMING | 1100 | ||
| 5845 | Jumping Jack | math | Statement | B | Codeforces Beta Round 11 {11} | PROGRAMMING | 1700 | ||
| 741 | How Many Squares? | implementation | Statement | C | Codeforces Beta Round 11 {11} | PROGRAMMING | 2200 | ||
| 6815 | A Simple Task | bitmasks dp graphs | Statement | D | Codeforces Beta Round 11 {11} | PROGRAMMING | 2200 | ||
| 499 | Forward, march! | binary search dp greedy | Statement | E | Codeforces Beta Round 11 {11} | PROGRAMMING | 2800 | ||
| 15886 | Super Agent | implementation | Statement | A | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1100 | ||
| 7532 | Fruits | greedy implementation sortings | Statement | C | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1400 | ||
| 9837 | Correct Solution? | implementation sortings | Statement | B | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1400 | ||
| 1583 | Start of the session | constructive algorithms | Statement | E | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 2100 | ||
| 3050 | Ball | data structures sortings | Statement | D | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 2400 | ||
| 9655 | Numbers | implementation math | Statement | A | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 1200 | |
| 1175 | Letter A | geometry implementation | Statement | B | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2000 | |
| 5654 | Sequence | dp sortings | Statement | C | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2200 | |
| 774 | Triangles | dp geometry | Statement | D | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2500 | |
| 8498 | Holes | data structures dsu | Statement | E | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2700 | |
| 12764 | Letter | implementation | Statement | A | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1100 | |
| 8437 | Young Photographer | implementation | Statement | B | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1400 | |
| 3915 | Four Segments | brute force constructive algorithms geometry implementation math | Statement | C | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1800 | |
| 2115 | Camels | dp | Statement | E | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 2000 | |
| 5417 | Two Paths | dfs and similar dp graphs shortest paths trees two pointers | Statement | D | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 2100 | |
| 4584 | Cottage Village | implementation sortings | Statement | A | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 1400 | |
| 1715 | Laser | math | Statement | B | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 1700 | |
| 2981 | Industrial Nim | games | Statement | C | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 2000 | |
| 980 | Map | data structures implementation sortings | Statement | D | Codeforces Beta Round 15 {15} | PROGRAMMING | Короткий разбор задач CF #15 | 2500 | |
| 694 | Triangles | combinatorics dp | Statement | E | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 2600 | |
| 17769 | Flag | implementation | Statement | A | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1100 | |
| 21157 | Burglar and Matches | greedy implementation sortings | Statement | B | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1300 | |
| 5510 | Monitor | binary search number theory | Statement | C | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1800 | |
| 1899 | Logging | implementation strings | Statement | D | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 2000 | |
| 6858 | Fish | bitmasks dp probabilities | Statement | E | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 2100 | |
| 22360 | Noldbach problem | brute force math number theory | Statement | A | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 1100 | |
| 6684 | Hierarchy | dfs and similar dsu greedy shortest paths | Statement | B | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 1600 | |
| 1390 | Notepad | number theory | Statement | D | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 2300 | |
| 1077 | Balance | dp | Statement | C | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 2500 | |
| 2180 | Palisection | strings | Statement | E | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 2900 | |
| 15758 | Stripe | data structures implementation | Statement | C | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1400 | |
| 7121 | Triangle | brute force geometry | Statement | A | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1600 | |
| 2465 | Platforms | brute force math | Statement | B | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1700 | |
| 1324 | Seller Bob | brute force dp greedy | Statement | D | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 2100 | |
| 1313 | Flag 2 | dp | Statement | E | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 2400 | |
| 3247 | World Football Cup | implementation | Statement | A | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 1400 | |
| 6064 | Checkout Assistant | dp | Statement | B | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 1900 | |
| 1400 | Deletion of Repeats | greedy hashing string suffix structures | Statement | C | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2200 | |
| 3381 | Points | data structures | Statement | D | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2800 | |
| 2655 | Fairy | dfs and similar divide and conquer dsu | Statement | E | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2800 | |
| 49949 | Dijkstra? | graphs shortest paths | Statement | C | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2100 | ||
| 4982 | Equation | math | Statement | B | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2600 | ||
| 7252 | BerOS file system | implementation | Statement | A | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2600 | ||
| 2627 | Stripe 2 | binary search dp sortings | Statement | C | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 2319 | Jabber ID | implementation strings | Statement | A | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 1654 | Intersection | implementation math | Statement | B | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 1392 | Traveling Graph | bitmasks graph matchings graphs | Statement | D | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2500 | ||
| 28032 | Second Order Statistics | brute force | Statement | A | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1000 | |
| 4871 | Bargaining Table | brute force dp | Statement | B | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1600 | |
| 3920 | System Administrator | graphs | Statement | C | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1700 | |
| 3493 | Segments | greedy sortings | Statement | D | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1900 | |
| 2179 | Scheme | dfs and similar graphs trees | Statement | E | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 2400 | |
| 6504 | You're Given a String... | brute force greedy | Statement | A | Codeforces Beta Round 23 {23} | PROGRAMMING | Codeforces Beta Round #23 tutorial | 1200 | |
| 3939 | Party | constructive algorithms graphs math | Statement | B | Codeforces Beta Round 23 {23} | PROGRAMMING | Codeforces Beta Round #23 tutorial | 1600 | |
| 768 | Tree | dp | Statement | E | Codeforces Beta Round 23 {23} | PROGRAMMING | Codeforces Beta Round #23 tutorial | 2500 | |
| 1763 | Oranges and Apples | constructive algorithms sortings | Statement | C | Codeforces Beta Round 23 {23} | PROGRAMMING | Codeforces Beta Round #23 tutorial | 2500 | |
| 430 | Tetragon | geometry math | Statement | D | Codeforces Beta Round 23 {23} | PROGRAMMING | Codeforces Beta Round #23 tutorial | 2600 | |
| 7241 | Ring road | graphs | Statement | A | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 1400 | |
| 2088 | F1 Champions | implementation | Statement | B | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 1500 | |
| 1472 | Sequence of points | geometry implementation math | Statement | C | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 1800 | |
| 1081 | Berland collider | binary search | Statement | E | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 2300 | |
| 2821 | Broken robot | dp probabilities | Statement | D | Codeforces Beta Round 24 {24} | PROGRAMMING | Codeforces Beta Round #24 solutions | 2400 | |
| 11521 | Phone numbers | implementation | Statement | B | Codeforces Beta Round 25 (Div. 2 Only) {25} | PROGRAMMING | Codeforces Beta Round #25 Solution Analysis | 1100 | |
| 106480 | IQ test | brute force | Statement | A | Codeforces Beta Round 25 (Div. 2 Only) {25} | PROGRAMMING | Codeforces Beta Round #25 Solution Analysis | 1300 | |
| 8660 | Roads in Berland | graphs shortest paths | Statement | C | Codeforces Beta Round 25 (Div. 2 Only) {25} | PROGRAMMING | Codeforces Beta Round #25 Solution Analysis | 1800 | |
| 16575 | Roads not only in Berland | dsu graphs trees | Statement | D | Codeforces Beta Round 25 (Div. 2 Only) {25} | PROGRAMMING | Codeforces Beta Round #25 Solution Analysis | 1900 | |
| 3434 | Test | hashing strings | Statement | E | Codeforces Beta Round 25 (Div. 2 Only) {25} | PROGRAMMING | Codeforces Beta Round #25 Solution Analysis | 2300 | |
| 1069 | Parquet | combinatorics constructive algorithms | Statement | C | Codeforces Beta Round 26 (Codeforces format) {26} | PROGRAMMING | Разбор Codeforces Beta Round #26 (ещё один) | 2200 | |
| 27064 | Regular Bracket Sequence | greedy | Statement | B | Codeforces Beta Round 26 (Codeforces format) {26} | PROGRAMMING | Разбор Codeforces Beta Round #26 (ещё один) | 2300 | |
| 44906 | Almost Prime | number theory | Statement | A | Codeforces Beta Round 26 (Codeforces format) {26} | PROGRAMMING | Codeforces Beta Round #26 tutorial | 2400 | |
| 438 | Multithreading | constructive algorithms | Statement | E | Codeforces Beta Round 26 (Codeforces format) {26} | PROGRAMMING | Codeforces Beta Round #26 tutorial | 2700 | |
| 993 | Tickets | combinatorics math probabilities | Statement | D | Codeforces Beta Round 26 (Codeforces format) {26} | PROGRAMMING | Разбор Codeforces Beta Round #26 (ещё один) | 2800 | |
| 23470 | Next Test | implementation sortings | Statement | A | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Solution of ABC @ Round#27 | 1900 | |
| 3110 | Unordered Subsequence | constructive algorithms greedy | Statement | C | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Solution of ABC @ Round#27 | 2000 | |
| 5982 | Tournament | bitmasks brute force dfs and similar greedy | Statement | B | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Codeforces Beta #27 - Tutorial | 2000 | |
| 4998 | Number With The Given Amount Of Divisors | brute force dp number theory | Statement | E | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Solution of ABC @ Round#27 | 2100 | |
| 3174 | Ring Road 2 | 2-sat dfs and similar dsu graphs | Statement | D | Codeforces Beta Round 27 (Codeforces format, Div. 2) {27} | PROGRAMMING | Solution of ABC @ Round#27 | 2300 | |
| 5682 | pSort | dfs and similar dsu graphs | Statement | B | Codeforces Beta Round 28 (Codeforces format) {28} | PROGRAMMING | Codeforces Beta Round #28 (Разбор задач A и B) | 1600 | |
| 995 | Bender Problem | implementation | Statement | A | Codeforces Beta Round 28 (Codeforces format) {28} | PROGRAMMING | Codeforces Beta Round #28 (Разбор задач A и B) | 2200 | |
| 726 | Don't fear, DravDe is kind | binary search data structures dp hashing | Statement | D | Codeforces Beta Round 28 (Codeforces format) {28} | PROGRAMMING | Codeforces Beta Round #28 (Разбор задач A и B) | 2600 | |
| 201 | DravDe saves the world | geometry math | Statement | E | Codeforces Beta Round 28 (Codeforces format) {28} | PROGRAMMING | Codeforces Round 28 - tutorial | 2700 | |
| 1356 | Bath Queue | combinatorics dp probabilities | Statement | C | Codeforces Beta Round 28 (Codeforces format) {28} | PROGRAMMING | Codeforces Beta Round #28 (Разбор задач A и B) | 2700 | |
| 8455 | Spit Problem | brute force | Statement | A | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 1000 | |
| 3405 | Traffic Lights | implementation | Statement | B | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 1500 | |
| 6748 | Mail Stamps | data structures dfs and similar graphs implementation | Statement | C | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 1700 | |
| 3046 | Ant on the Tree | constructive algorithms dfs and similar trees | Statement | D | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 1900 | |
| 1184 | Quarrel | graphs shortest paths | Statement | E | Codeforces Beta Round 29 (Div. 2, Codeforces format) {29} | PROGRAMMING | My solution @ Round #29, [without Problem E] | 2400 | |
| 4081 | Accounting | brute force math | Statement | A | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Разбор C | 1500 | |
| 1406 | Codeforces World Finals | implementation | Statement | B | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Разбор C | 1700 | |
| 2463 | Shooting Gallery | dp probabilities | Statement | C | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Разбор C | 1800 | |
| 531 | King's Problem? | geometry greedy | Statement | D | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Разбор C | 2600 | |
| 972 | Tricky and Clever Password | binary search constructive algorithms data structures greedy hashing strings | Statement | E | Codeforces Beta Round 30 (Codeforces format) {30} | PROGRAMMING | Codeforces Beta Round #30. Tutorial for problem A | 2700 | |
| 12893 | Worms Evolution | implementation | Statement | A | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 1200 | ||
| 4806 | Sysadmin Bob | greedy implementation strings | Statement | B | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 1500 | ||
| 2066 | Schedule | implementation | Statement | C | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 1700 | ||
| 1259 | Chocolate | dfs and similar implementation | Statement | D | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 2000 | ||
| 1362 | TV Game | dp | Statement | E | Codeforces Beta Round 31 (Div. 2, Codeforces format) {31} | PROGRAMMING | 2200 | ||
| 2628 | Flea | math | Statement | C | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | Beta Round 32 | 1700 | |
| 1507 | Constellation | implementation | Statement | D | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | Beta Round 32 | 1700 | |
| 447 | Hide-and-Seek | geometry implementation | Statement | E | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | 2300 | ||
| 15255 | Reconnaissance | brute force | Statement | A | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | Beta Round 32 | 800 | |
| 82190 | Borze | expression parsing implementation | Statement | B | Codeforces Beta Round 32 (Div. 2, Codeforces format) {32} | PROGRAMMING | Beta Round 32 | 900 | |
| 5036 | What is for dinner? | greedy implementation | Statement | A | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33. Analysis of problem A | 1300 | |
| 3643 | Wonderful Randomized Sum | greedy | Statement | C | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33 (personal participation commentaries) | 1800 | |
| 6055 | String Problem | shortest paths | Statement | B | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33 (personal participation commentaries) | 1800 | |
| 1627 | Knights | geometry graphs shortest paths sortings | Statement | D | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33. Analysis of problem A | 2000 | |
| 175 | Helper | Statement | E | Codeforces Beta Round 33 (Codeforces format) {33} | PROGRAMMING | Codeforces Beta Round #33. Analysis of problem A | 2500 | ||
| 68170 | Sale | greedy sortings | Statement | B | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1000 | |
| 35466 | Reconnaissance 2 | implementation | Statement | A | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1100 | |
| 4865 | Page Numbers | expression parsing implementation sortings strings | Statement | C | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1400 | |
| 6670 | Road Map | dfs and similar graphs | Statement | D | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 1700 | |
| 681 | Collisions | brute force implementation math | Statement | E | Codeforces Beta Round 34 (Div. 2) {34} | PROGRAMMING | Codeforces Beta Round #34 (Div. 2) Разбор | 2100 | |
| 7683 | Shell Game | implementation | Statement | A | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 1100 | ||
| 9053 | Fire Again | brute force dfs and similar shortest paths | Statement | C | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 1600 | ||
| 1216 | Warehouse | implementation | Statement | B | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 1700 | ||
| 3944 | Animals | dp greedy | Statement | D | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 1700 | ||
| 896 | Parade | data structures sortings | Statement | E | Codeforces Beta Round 35 (Div. 2) {35} | PROGRAMMING | 2300 | ||
| 3597 | Extra-terrestrial Intelligence | implementation | Statement | A | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 1400 | |
| 2073 | Fractal | implementation | Statement | B | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 1600 | |
| 783 | New Game with a Chess Piece | games | Statement | D | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 2200 | |
| 392 | Bowls | geometry implementation | Statement | C | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 | 2200 | |
| 643 | Two Paths | constructive algorithms dsu graphs implementation | Statement | E | Codeforces Beta Round 36 {36} | PROGRAMMING | Codeforces Beta Round #36 (Problem E solution) | 2500 | |
| 28103 | Towers | sortings | Statement | A | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 1100 | |
| 1106 | Computer Game | greedy implementation | Statement | B | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 1800 | |
| 2333 | Old Berland Language | data structures greedy trees | Statement | C | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 1900 | |
| 586 | Lesson Timetable | combinatorics dp math | Statement | D | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 2300 | |
| 717 | Trial for Chief | graphs greedy shortest paths | Statement | E | Codeforces Beta Round 37 {37} | PROGRAMMING | Codeforces Beta Round #37 (Tutorial) | 2600 | |
| 4128 | Chess | brute force implementation math | Statement | B | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи D) | 1200 | |
| 2604 | Blinds | brute force | Statement | C | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи C) | 1400 | |
| 3029 | Let's Go Rolling! | dp sortings | Statement | E | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи D) | 1800 | |
| 1095 | Vasya the Architect | implementation | Statement | D | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи C) | 2000 | |
| 461 | Smart Boy | dp games strings | Statement | F | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи D) | 2200 | |
| 908 | Queue | data structures | Statement | G | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи C) | 2300 | |
| 490 | The Great Marathon | dp | Statement | H | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи C) | 2500 | |
| 27063 | Army | implementation | Statement | A | School Personal Contest #1 (Winter Computer School 2010/11) - Codeforces Beta Round 38 (ACM-ICPC Rules) {38} | PROGRAMMING | Школьная индивидуальная олимпиада #1 - Codeforces Beta Round #38. (Разбор задачи D) | 900 | |
| 4765 | Cubical Planet | math | Statement | D | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 1100 | |
| 3151 | Company Income Growth | greedy | Statement | B | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 1200 | |
| 2000 | Pacifist frogs | implementation | Statement | F | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 1300 | |
| 3179 | Multiplication Table | implementation | Statement | H | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 1300 | |
| 3650 | Spelling Check | hashing implementation strings | Statement | J | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 1600 | |
| 1097 | What Has Dirichlet Got to Do with That? | dp games | Statement | E | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 2100 | |
| 823 | C*++ Calculations | expression parsing greedy | Statement | A | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 2100 | |
| 721 | Moon Craters | dp sortings | Statement | C | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 2300 | |
| 178 | Inverse Function | implementation | Statement | G | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 2500 | |
| 245 | Tram | Statement | I | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Tutorial | 2700 | ||
| 148 | Testing | Statement | K | School Team Contest 1 (Winter Computer School 2010/11) {39} | PROGRAMMING | School Team Contest #1 (Winter Computer School 2010/11): Problem K Tutorial | 2700 | ||
| 4532 | Find Color | constructive algorithms geometry implementation math | Statement | A | Codeforces Beta Round 39 {40} | PROGRAMMING | codeforces #39 | 1300 | |
| 1438 | Repaintings | math | Statement | B | Codeforces Beta Round 39 {40} | PROGRAMMING | codeforces #39 | 1600 | |
| 364 | Berland Square | implementation math | Statement | C | Codeforces Beta Round 39 {40} | PROGRAMMING | codeforces #39 | 2200 | |
| 1066 | Number Table | combinatorics | Statement | E | Codeforces Beta Round 39 {40} | PROGRAMMING | Codeforces Beta Round #39 (Разбор задач) | 2500 | |
| 200 | Interesting Sequence | math | Statement | D | Codeforces Beta Round 39 {40} | PROGRAMMING | Codeforces Beta Round #39 (Разбор задач) | 2600 | |
| 4271 | Email address | expression parsing implementation | Statement | C | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 1400 | |
| 4705 | Martian Dollar | brute force | Statement | B | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 1500 | |
| 2270 | 3-cycles | constructive algorithms graphs greedy | Statement | E | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 1900 | |
| 2957 | Pawn | dp | Statement | D | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 2000 | |
| 195108 | Translation | implementation strings | Statement | A | Codeforces Beta Round 40 (Div. 2) {41} | PROGRAMMING | Codeforces Beta Round #40 Mini-Tutorial | 900 | |
| 3213 | Guilty --- to the kitchen! | greedy implementation | Statement | A | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 1500 | |
| 1187 | Game of chess unfinished | implementation | Statement | B | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 1700 | |
| 598 | Safe cracking | brute force constructive algorithms | Statement | C | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 2200 | |
| 516 | Strange town | constructive algorithms math | Statement | D | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 2300 | |
| 284 | Baldman and the military | dfs and similar graphs trees | Statement | E | Codeforces Beta Round 41 {42} | PROGRAMMING | Solution of task е, Codeforces beta round #41 | 2700 | |
| 71568 | Football | strings | Statement | A | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | How to solve Codeforces 42(Div.2) | 1100 | |
| 20945 | Letter | implementation strings | Statement | B | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | How to solve Codeforces 42(Div.2) | 1200 | |
| 4847 | Lucky Tickets | greedy | Statement | C | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | How to solve Codeforces 42(Div.2) | 1400 | |
| 1258 | Journey | brute force constructive algorithms implementation | Statement | D | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | Разбор задач A, B, C, D CodeForces Beta Round #42 | 1900 | |
| 484 | Race | brute force implementation two pointers | Statement | E | Codeforces Beta Round 42 (Div. 2) {43} | PROGRAMMING | Разбор задач A, B, C, D CodeForces Beta Round #42 | 2200 | |
| 18524 | Indian Summer | implementation | Statement | A | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of F, G and I. | 1100 | |
| 4151 | Holidays | implementation | Statement | C | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. | 1300 | |
| 6237 | Anfisa the Monkey | dp | Statement | E | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of F, G and I. | 1500 | |
| 2346 | Cola | implementation | Statement | B | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of F, G and I. | 1600 | |
| 2036 | Phone Number | dp | Statement | H | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of F, G and I. | 1800 | |
| 810 | Hyperdrive | math | Statement | D | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. | 1900 | |
| 633 | Triminoes | constructive algorithms greedy | Statement | J | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. | 2000 | |
| 253 | Toys | brute force combinatorics | Statement | I | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. | 2400 | |
| 554 | Shooting Gallery | data structures implementation | Statement | G | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. | 2600 | |
| 83 | BerPaint | geometry graphs | Statement | F | School Team Contest 2 (Winter Computer School 2010/11) {44} | PROGRAMMING | School Team Contest #2 (Winter Computer School 2010/2011): tutorial of A-E, H, J. | 2600 | |
| 2853 | TCMCF+++ | greedy | Statement | I | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 1500 | ||
| 8300 | Codecraft III | implementation | Statement | A | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 1500 | ||
| 1087 | Planting Trees | constructive algorithms | Statement | J | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 1900 | ||
| 1999 | Event Dates | greedy meet-in-the-middle sortings | Statement | D | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 1900 | ||
| 1164 | Dancing Lessons | data structures | Statement | C | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2000 | ||
| 668 | Director | constructive algorithms greedy | Statement | E | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2100 | ||
| 1294 | Prime Problem | number theory | Statement | G | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2300 | ||
| 343 | School | dp dsu | Statement | B | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2400 | ||
| 248 | Road Problem | graphs | Statement | H | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2600 | ||
| 198 | Goats and Wolves | greedy | Statement | F | School Team Contest 3 (Winter Computer School 2010/11) {45} | PROGRAMMING | 2600 | ||
| 4184 | T-shirts from Sponsor | implementation | Statement | B | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules). Tasks B, D, E tutorial. | 1100 | |
| 2925 | Hamsters and Tigers | two pointers | Statement | C | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules): A, C, F and G tutorial | 1700 | |
| 1111 | Parking Lot | data structures implementation | Statement | D | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules). Tasks B, D, E tutorial. | 1800 | |
| 1171 | Comb | data structures dp | Statement | E | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules): A, C, F and G tutorial | 1900 | |
| 397 | Hercule Poirot Problem | dsu graphs | Statement | F | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules). Tasks B, D, E tutorial. | 2300 | |
| 171 | Emperor's Problem | geometry | Statement | G | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules). Tasks B, D, E tutorial. | 2500 | |
| 10156 | Ball Game | brute force implementation | Statement | A | School Personal Contest #2 (Winter Computer School 2010/11) - Codeforces Beta Round 43 (ACM-ICPC Rules) {46} | PROGRAMMING | School Individual Contest #2 (WCS 2010/11) - Codeforces Beta Round #43 (ACM-ICPC Rules): A, C, F and G tutorial | 900 | |
| 16319 | Coins | implementation | Statement | B | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 1200 | |
| 895 | Crossword | implementation | Statement | C | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 2000 | |
| 1014 | Safe | brute force | Statement | D | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 2100 | |
| 481 | Cannon | data structures geometry sortings | Statement | E | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 2100 | |
| 18551 | Triangular numbers | brute force math | Statement | A | Codeforces Beta Round 44 (Div. 2) {47} | PROGRAMMING | Codeforces Beta Round #44: tutorial | 800 | |
| 3090 | Land Lot | brute force implementation | Statement | B | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} | PROGRAMMING | 1300 | ||
| 3044 | Permutations | greedy | Statement | D | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} | PROGRAMMING | 1500 | ||
| 867 | The Race | math | Statement | C | School Personal Contest #3 (Winter Computer School 2010/11) - Codeforces Beta Round 45 (ACM-ICPC Rules) {48} | PROGRAMMING | 1800 |