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603 Hamming Distance constructive algorithms greedy math matrices Statement C Codeforces Round 122 (Div. 1) {193} PROGRAMMING Editoral Codeforces Round #122 2400
10212 Pasha and String constructive algorithms greedy math strings Statement B Codeforces Round 297 (Div. 2) {525} PROGRAMMING Codeforces Round #297 (Div.2) Editorial 1500
2934 Ability To Convert constructive algorithms dp greedy math strings Statement D Codeforces Round 392 (Div. 2) {758} PROGRAMMING Codeforces Round #392 (Div. 2) Editorial 1900
2380 The minimal unique substring constructive algorithms math strings Statement B Codeforces Round 559 (Div. 1) {1158} PROGRAMMING 66993 2200
5455 Print a 1337-string... combinatorics constructive algorithms math strings Statement D Educational Codeforces Round 70 (Rated for Div. 2) {1202} PROGRAMMING 68972 1900
21315 Codeforces Subsequences brute force constructive algorithms greedy math strings Statement B Codeforces Global Round 8 {1368} PROGRAMMING 1000.0 Codeforces Global Round 8: editorial
9747 Omkar and Bed Wars constructive algorithms dp greedy math strings Statement D Codeforces Global Round 10 {1392} PROGRAMMING 1500.0 Codeforces Global Round 10 — Editorial
6662 Binary Literature constructive algorithms greedy implementation math strings two pointers Statement A Codeforces Round 715 (Div. 1) {1508} PROGRAMMING 750.0 Codeforces Round #715 Editorial
2791 Kill Anton brute force constructive algorithms data structures math strings Statement D Codeforces Round 723 (Div. 2) {1526} PROGRAMMING 2250.0 Codeforces Round #723 (Div. 2) Editorial
1413 Oolimry and Suffix Array combinatorics constructive algorithms math string suffix structures Statement E Codeforces Round 723 (Div. 2) {1526} PROGRAMMING 2500.0 Codeforces Round #723 (Div. 2) Editorial
17193 Sum of Substrings brute force constructive algorithms greedy math strings Statement C CodeCraft-22 and Codeforces Round 795 (Div. 2) {1691} PROGRAMMING 1250.0 Editorial for CodeCraft-22 and Codeforces Round #795 (Div. 2)
9433 Equate Multisets constructive algorithms data structures graph matchings greedy math number theory Statement F Codeforces Round 805 (Div. 3) {1702} PROGRAMMING 104763
133 Mio and Lucky Array constructive algorithms fft math strings Statement G CodeTON Round 2 (Div. 1 + Div. 2, Rated, Prizes!) {1704} PROGRAMMING 3500.0 CodeTON Round 2 Editorial
18718 Prefix Sum Addicts constructive algorithms math sortings Statement B Codeforces Global Round 22 {1738} PROGRAMMING 1000.0 Editorial of Codeforces Global Round <strong>22</strong>
24037 Hall of Fame constructive algorithms greedy math strings Statement A Hello 2023 {1779} PROGRAMMING 500.0
4300 Unique Palindromes binary search constructive algorithms greedy math strings Statement D Codeforces Round 868 (Div. 2) {1823} PROGRAMMING 2000.0 115465
13810 Row Major constructive algorithms math number theory strings Statement D Codeforces Round 884 (Div. 1 + Div. 2) {1844} PROGRAMMING 1500.0 Codeforces Round #884 (Div. 1 + Div. 2) Editorial
3035 Guess Game bitmasks combinatorics constructive algorithms data structures games math probabilities strings trees Statement E Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) {1864} PROGRAMMING 2000.0 Harbour.Space Scholarship Contest 2023-2024 (Div. 1 + Div. 2) Editorial
23083 Removal of Unattractive Pairs constructive algorithms greedy math strings Statement C Codeforces Round 913 (Div. 3) {1907} PROGRAMMING Codeforces Round 913 (Div. 3) Editorial
9745 Mathematical Problem brute force constructive algorithms implementation math strings Statement D Good Bye 2023 {1916} PROGRAMMING 1500.0
28259 2023 constructive algorithms implementation math number theory Statement A Good Bye 2023 {1916} PROGRAMMING 250.0
2088 Modular Sequence constructive algorithms dp greedy implementation math number theory Statement E Codeforces Round 924 (Div. 2) {1928} PROGRAMMING 2250.0 Codeforces Round 924 Editorial
12961 Permutation of Rows and Columns constructive algorithms data structures hashing math matrices sortings Statement E Codeforces Round 950 (Div. 3) {1980} PROGRAMMING 130135
11001 Swap Dilemma constructive algorithms divide and conquer greedy math sortings Statement D Codeforces Round 956 (Div. 2) and ByteRace 2024 {1983} PROGRAMMING 1750.0
10727 Novice's Mistake brute force constructive algorithms math strings Statement E Codeforces Round 957 (Div. 3) {1992} PROGRAMMING Shayan's Video Tutorial
7349 Funny Game constructive algorithms dsu graphs greedy math number theory Statement D Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2) {1994} PROGRAMMING 2000.0 Video Tutorial
1369 C+K+S brute force constructive algorithms dfs and similar graphs greedy hashing math strings Statement C Codeforces Round 980 (Div. 1) {2023} PROGRAMMING 1500.0 135341
428 Andryusha and CCB brute force constructive algorithms greedy math number theory strings Statement F Codeforces Round 1014 (Div. 2) {2092} PROGRAMMING 3000.0 Codeforces Round #1014 (Div. 2) Editorial
1878 Make Good constructive algorithms math strings Statement E Codeforces Round 1051 (Div. 2) {2143} PROGRAMMING 2500.0 Codeforces Round 1051 (Div. 2) Editorial