Review the problem statement from Codeforces (link will open a new tab). When you've matched your problem, go to the solutions.
Get exact match for tags using this format, eg: [u'brute force', 'dp']
1 2 3 ... 102 103 104 >Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 279474 | Theatre Square | math | Statement | A | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 1300 | |
| 23705 | Spreadsheet | implementation math | Statement | B | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 1700 | |
| 5874 | Ancient Berland Circus | geometry math | Statement | C | Codeforces Beta Round 1 {1} | PROGRAMMING | 85 | 2100 | |
| 27791 | Winner | hashing implementation | Statement | A | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 1600 | |
| 11398 | The least round way | dp math | Statement | B | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 2000 | |
| 1809 | Commentator problem | geometry | Statement | C | Codeforces Beta Round 2 {2} | PROGRAMMING | Codeforces Beta Round #2 - Tutorial | 2600 | |
| 20012 | Shortest path of the king | greedy shortest paths | Statement | A | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 1200 | |
| 7591 | Tic-tac-toe | brute force games implementation | Statement | C | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 1700 | |
| 4711 | Lorry | greedy sortings | Statement | B | Codeforces Beta Round 3 {3} | PROGRAMMING | 1900 | ||
| 3497 | Least Cost Bracket Sequence | greedy | Statement | D | Codeforces Beta Round 3 {3} | PROGRAMMING | CF beta 3: разбор и эмоции | 2500 | |
| 572844 | Watermelon | brute force math | Statement | A | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1200 | ||
| 90245 | Registration System | data structures hashing implementation | Statement | C | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1500 | ||
| 26231 | Before an Exam | constructive algorithms greedy | Statement | B | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1500 | ||
| 10796 | Mysterious Present | dp sortings | Statement | D | Codeforces Beta Round 4 (Div. 2 Only) {4} | PROGRAMMING | 1800 | ||
| 10024 | Chat Servers Outgoing Traffic | implementation | Statement | A | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1200 | |
| 6146 | Center Alignment | implementation strings | Statement | B | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 1400 | |
| 14836 | 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 | |
| 1772 | Follow Traffic Rules | implementation math | Statement | D | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 2100 | |
| 2239 | Bindian Signalizing | data structures | Statement | E | Codeforces Beta Round 5 {5} | PROGRAMMING | C, D и E с CBR5 - разбор | 2400 | |
| 20668 | Triangle | brute force geometry | Statement | A | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1300 | |
| 13561 | President's Office | implementation | Statement | B | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | Round #6 - Tutorial (A,B,C,E) | 1400 | |
| 14977 | 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 | |
| 3428 | Exposition | binary search data structures ds trees two pointers | Statement | E | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | 1900 | ||
| 2064 | Lizards and Basements 2 | brute force dp | Statement | D | Codeforces Beta Round 6 (Div. 2 Only) {6} | PROGRAMMING | 2100 | ||
| 7414 | Kalevitch and Chess | brute force constructive algorithms | Statement | A | Codeforces Beta Round 7 {7} | PROGRAMMING | 1300 | ||
| 2663 | Memory Manager | implementation | Statement | B | Codeforces Beta Round 7 {7} | PROGRAMMING | 1700 | ||
| 4784 | Line | math number theory | Statement | C | Codeforces Beta Round 7 {7} | PROGRAMMING | 1800 | ||
| 3906 | Palindrome Degree | hashing strings | Statement | D | Codeforces Beta Round 7 {7} | PROGRAMMING | 2200 | ||
| 732 | Defining Macros | dp expression parsing implementation | Statement | E | Codeforces Beta Round 7 {7} | PROGRAMMING | 2500 | ||
| 6107 | Train and Peter | strings | Statement | A | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 1400 | |
| 4481 | Obsession with Robots | constructive algorithms graphs implementation | Statement | B | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 1500 | |
| 3739 | Looking for Order | bitmasks dp | Statement | C | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 2000 | |
| 539 | Two Friends | binary search geometry | Statement | D | Codeforces Beta Round 8 {8} | PROGRAMMING | Codeforces Beta Round #8 Tutorial | 2600 | |
| 712 | Beads | dp graphs | Statement | E | Codeforces Beta Round 8 {8} | PROGRAMMING | 2600 | ||
| 60725 | Die Roll | math probabilities | Statement | A | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1000 | |
| 5713 | Running Student | brute force geometry implementation | Statement | B | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1500 | |
| 13346 | Hexadecimal's Numbers | brute force implementation math | Statement | C | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | Codeforces Beta Round #9 tutorial | 1500 | |
| 4021 | How many trees? | combinatorics divide and conquer dp | Statement | D | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | 2000 | ||
| 1074 | Interestring graph and Apples | dfs and similar ds graphs | Statement | E | Codeforces Beta Round 9 (Div. 2 Only) {9} | PROGRAMMING | 2300 | ||
| 7542 | Power Consumption Calculation | implementation | Statement | A | Codeforces Beta Round 10 {10} | PROGRAMMING | 1100 | ||
| 1841 | Cinema Cashier | dp implementation | Statement | B | Codeforces Beta Round 10 {10} | PROGRAMMING | 1600 | ||
| 1502 | Digital Root | number theory | Statement | C | Codeforces Beta Round 10 {10} | PROGRAMMING | 2000 | ||
| 852 | Greedy Change | constructive algorithms | Statement | E | Codeforces Beta Round 10 {10} | PROGRAMMING | 2600 | ||
| 4731 | LCIS | dp | Statement | D | Codeforces Beta Round 10 {10} | PROGRAMMING | 2700 | ||
| 13912 | Increasing Sequence | constructive algorithms implementation math | Statement | A | Codeforces Beta Round 11 {11} | PROGRAMMING | 1100 | ||
| 5058 | Jumping Jack | math | Statement | B | Codeforces Beta Round 11 {11} | PROGRAMMING | 1700 | ||
| 634 | How Many Squares? | implementation | Statement | C | Codeforces Beta Round 11 {11} | PROGRAMMING | 2200 | ||
| 5254 | A Simple Task | bitmasks dp graphs | Statement | D | Codeforces Beta Round 11 {11} | PROGRAMMING | 2200 | ||
| 377 | Forward, march! | binary search dp greedy | Statement | E | Codeforces Beta Round 11 {11} | PROGRAMMING | 2800 | ||
| 13702 | Super Agent | implementation | Statement | A | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1100 | ||
| 6466 | Fruits | greedy implementation sortings | Statement | C | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1400 | ||
| 8881 | Correct Solution? | implementation sortings | Statement | B | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 1400 | ||
| 1304 | Start of the session | constructive algorithms | Statement | E | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 2100 | ||
| 2456 | Ball | data structures sortings | Statement | D | Codeforces Beta Round 12 (Div 2 Only) {12} | PROGRAMMING | 2400 | ||
| 8205 | Numbers | implementation math | Statement | A | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 1200 | |
| 1017 | Letter A | geometry implementation | Statement | B | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2000 | |
| 4909 | Sequence | dp sortings | Statement | C | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2200 | |
| 690 | Triangles | dp geometry | Statement | D | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2500 | |
| 6554 | Holes | data structures ds | Statement | E | Codeforces Beta Round 13 {13} | PROGRAMMING | Codeforces Beta Round #13 editorial | 2700 | |
| 11152 | Letter | implementation | Statement | A | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1100 | |
| 7410 | Young Photographer | implementation | Statement | B | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 1400 | |
| 3487 | 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 | |
| 1774 | Camels | dp | Statement | E | Codeforces Beta Round 14 (Div. 2) {14} | PROGRAMMING | Codeforces Beta Round #14 tutorial | 2000 | |
| 4722 | 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 | |
| 4010 | Cottage Village | implementation sortings | Statement | A | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 1400 | |
| 1500 | Laser | math | Statement | B | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 1700 | |
| 2421 | Industrial Nim | games | Statement | C | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 2000 | |
| 803 | Map | data structures implementation sortings | Statement | D | Codeforces Beta Round 15 {15} | PROGRAMMING | 2500 | ||
| 604 | Triangles | combinatorics dp | Statement | E | Codeforces Beta Round 15 {15} | PROGRAMMING | Codeforces Beta #15 Tutorial (Incomplete) | 2600 | |
| 15145 | Flag | implementation | Statement | A | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1100 | |
| 18804 | Burglar and Matches | greedy implementation sortings | Statement | B | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1300 | |
| 4926 | Monitor | binary search number theory | Statement | C | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 1800 | |
| 1657 | Logging | implementation strings | Statement | D | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | 2000 | ||
| 5498 | Fish | bitmasks dp probabilities | Statement | E | Codeforces Beta Round 16 (Div. 2 Only) {16} | PROGRAMMING | Codeforces Beta Round #16 Tutorial | 2100 | |
| 17797 | Noldbach problem | brute force math number theory | Statement | A | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 1100 | |
| 5185 | Hierarchy | dfs and similar ds greedy shortest paths | Statement | B | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 1600 | |
| 1129 | Notepad | number theory | Statement | D | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 2300 | |
| 956 | Balance | dp | Statement | C | Codeforces Beta Round 17 {17} | PROGRAMMING | 2500 | ||
| 1674 | Palisection | strings | Statement | E | Codeforces Beta Round 17 {17} | PROGRAMMING | Codeforces Beta Round #17 Tutorial | 2900 | |
| 13799 | Stripe | data structures implementation | Statement | C | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1400 | |
| 6311 | Triangle | brute force geometry | Statement | A | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1600 | |
| 2201 | Platforms | brute force math | Statement | B | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 1700 | |
| 1100 | 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 | |
| 1150 | Flag 2 | dp | Statement | E | Codeforces Beta Round 18 (Div. 2 Only) {18} | PROGRAMMING | Codeforces Beta Round #18(Div. 2) Tutorial | 2400 | |
| 2842 | World Football Cup | implementation | Statement | A | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 1400 | |
| 5080 | Checkout Assistant | dp | Statement | B | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 1900 | |
| 1146 | Deletion of Repeats | greedy hashing string suffix structures | Statement | C | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2200 | |
| 2620 | Points | data structures | Statement | D | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2800 | |
| 2067 | Fairy | dfs and similar divide and conquer ds | Statement | E | Codeforces Beta Round 19 {19} | PROGRAMMING | Code Force Beta Round 19 Solution | 2800 | |
| 36536 | Dijkstra? | graphs shortest paths | Statement | C | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2100 | ||
| 4123 | Equation | math | Statement | B | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2600 | ||
| 6478 | BerOS file system | implementation | Statement | A | Codeforces Alpha Round 20 (Codeforces format) {20} | PROGRAMMING | 2600 | ||
| 2223 | Stripe 2 | binary search dp sortings | Statement | C | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 1921 | Jabber ID | implementation strings | Statement | A | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 1398 | Intersection | implementation math | Statement | B | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2300 | ||
| 962 | Traveling Graph | bitmasks graph matchings graphs | Statement | D | Codeforces Alpha Round 21 (Codeforces format) {21} | PROGRAMMING | 2500 | ||
| 23725 | Second Order Statistics | brute force | Statement | A | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1000 | |
| 4397 | Bargaining Table | brute force dp | Statement | B | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1600 | |
| 3298 | System Administrator | graphs | Statement | C | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1700 | |
| 2845 | Segments | greedy sortings | Statement | D | Codeforces Beta Round 22 (Div. 2 Only) {22} | PROGRAMMING | Codeforces Beta Round #22 Tutorial | 1900 |