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
Solved |
Name |
Tags |
Solutions |
Index |
Contest |
Type |
Points |
Tutorial |
Rating Level |
|---|---|---|---|---|---|---|---|---|---|
| 884 | Number Challenge | combinatorics dp implementation math number theory | Statement | E | Codeforces Round 146 (Div. 1) {235} | PROGRAMMING | Codeforces Round #146 Tutorial | 2600 | |
| 2212 | PLEASE | combinatorics dp implementation math matrices | Statement | C | Codeforces Round 362 (Div. 1) {696} | PROGRAMMING | Codeforces Round #362 (Editorial) | 2200 | |
| 1362 | Cow and Treats | binary search combinatorics dp greedy implementation math | Statement | E | Codeforces Round 621 (Div. 1 + Div. 2) {1307} | PROGRAMMING | 2500.0 | Codeforces Round #621 (Div. 1 + Div. 2) Editorial | 2400 |
| 75 | Chess Rush | *special combinatorics dp implementation math | Statement | C | Central-European Olympiad in Informatics, CEOI 2020, Day 2 (IOI, Unofficial Mirror Contest, Unrated) {1403} | PROGRAMMING | CEOI 2020 Online Mirror — Day 2 Tutorial | ||
| 4414 | Almost Sorted | binary search bitmasks combinatorics constructive algorithms dp implementation math | Statement | B | Codeforces Round 715 (Div. 1) {1508} | PROGRAMMING | 1000.0 | Codeforces Round #715 Editorial | |
| 2915 | Priority Queue | combinatorics dp implementation math | Statement | D | Codeforces Round 729 (Div. 2) {1542} | PROGRAMMING | 2000.0 | ||
| 346 | October 18, 2017 | combinatorics dp implementation math | Statement | F | Codeforces Round 752 (Div. 1) {1603} | PROGRAMMING | 3750.0 | Editorial of Codeforces Round #752 | |
| 2341 | Valid Bitonic Permutations | combinatorics dp implementation math | Statement | D | Codeforces Round 840 (Div. 2) and Enigma 2022 - Cybros LNMIIT {1763} | PROGRAMMING | 2000.0 | Codeforces Round #840 (Div. 2) and Enigma 2022 — Cybros LNMIIT Editorial | |
| 325 | Speedbreaker Counting (Easy Version) | combinatorics dp games greedy implementation math | Statement | F1 | Codeforces Round 975 (Div. 1) {2018} | PROGRAMMING | 1500.0 | Editorial of Codeforces Round 975 (Div. 1, Div. 2) | |
| 2301 | Binary Subsequence Value Sum | combinatorics dp fft implementation math | Statement | C | Codeforces Round 1008 (Div. 1) {2077} | PROGRAMMING | 1500.0 | Codeforces Round 1008 (Div. 1, Div. 2) Editorial | |
| 749 | Attraction Theory | combinatorics dp implementation math | Statement | D | Codeforces Round 1053 (Div. 1) {2150} | PROGRAMMING | 2500.0 | Editorial of Codeforces Round 1053 (Div. 1, Div. 2) |