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Name
Tags
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Type
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5147 GameGame bitmasks constructive algorithms dp games greedy math Statement B Codeforces Round 659 (Div. 1) {1383} PROGRAMMING 1000.0 Codeforces Round #659 Editorial
521 Omkar and Pies bitmasks dfs and similar dp math Statement G Codeforces Global Round 10 {1392} PROGRAMMING 3000.0 Codeforces Global Round 10 — Editorial
734 Yet Another DAG Problem bitmasks dp flows math Statement G Educational Codeforces Round 96 (Rated for Div. 2) {1430} PROGRAMMING Educational Codeforces Round 96 — Editorial
12156 Baby Ehab Partitions Again bitmasks constructive algorithms dp math Statement C Codeforces Round 717 (Div. 2) {1516} PROGRAMMING 1500.0 Codeforces round #717 editorial
7169 Array Differentiation bitmasks dp graphs math Statement D Codeforces Global Round 15 {1552} PROGRAMMING 1000.0 Editorial of Global Round 15
8764 Moamen and XOR bitmasks combinatorics dp math Statement C Codeforces Round 737 (Div. 2) {1557} PROGRAMMING 1750.0 Codeforces Round #737 Editorial
10420 Divan and bitwise operations bitmasks combinatorics constructive algorithms dp math Statement C Codeforces Round 757 (Div. 2) {1614} PROGRAMMING 1500.0 Tutorial 1500
1001 Keep XOR Low bitmasks combinatorics divide and conquer dp math Statement H Good Bye 2021: 2022 is NEAR {1616} PROGRAMMING 4000.0 Good Bye 2021 -- Editorial 3000
945 Subsequences Galore bitmasks combinatorics dp math Statement G Educational Codeforces Round 119 (Rated for Div. 2) {1620} PROGRAMMING 98061
582 Formalism for Formalism bitmasks dp math Statement F Codeforces Round 791 (Div. 2) {1679} PROGRAMMING 3000.0 Codeforces Round #791 (Div. 2) Editorial
11115 Good Key, Bad Key bitmasks brute force dp greedy math Statement G Codeforces Round 806 (Div. 4) {1703} PROGRAMMING 104786
557 Lost Array bitmasks combinatorics constructive algorithms dp math Statement F Codeforces Round 812 (Div. 2) {1713} PROGRAMMING 3000.0 Codeforces Round #812 (Div. 2) Editorial 2900
839 Zeros and Ones bitmasks divide and conquer dp math Statement F Codeforces Round 822 (Div. 2) {1734} PROGRAMMING 3250.0 Codeforces Round #822 (Div.2) Editorial
263 Antifibonacci Cut bitmasks combinatorics dp math Statement G Educational Codeforces Round 137 (Rated for Div. 2) {1743} PROGRAMMING Educational Codeforces Round 137 Editorial 3000
2505 Carry Bit bitmasks brute force combinatorics dp math Statement D Pinely Round 1 (Div. 1 + Div. 2) {1761} PROGRAMMING 1750.0 Pinely Round 1 (Div. 1 + Div. 2) Editorial
1219 XOR Counting bitmasks combinatorics dp math Statement D Codeforces Round 865 (Div. 1) {1815} PROGRAMMING 2500.0 Editorial of Codeforces Round #865 2600
8104 Don't Blame Me bitmasks combinatorics dp math Statement H Codeforces Round 871 (Div. 4) {1829} PROGRAMMING Codeforces Round 871 (Div. 4) Editorial 1700
2473 Candy Party (Hard Version) bitmasks constructive algorithms dp graphs greedy implementation math Statement B2 Codeforces Round 896 (Div. 1) {1868} PROGRAMMING 750.0 Codeforces Round 896 (Div. 1, Div. 2) Editorial
14557 XOR-distance bitmasks dp greedy implementation math Statement C Codeforces Round 922 (Div. 2) {1918} PROGRAMMING 1250.0 Codeforces Round #922 (Div. 2) Editorial
4664 A BIT of an Inequality bitmasks brute force dp math Statement D Codeforces Round 940 (Div. 2) and CodeCraft-23 {1957} PROGRAMMING 1750.0 Codeforces Round #940 and CodeCraft-23 (Div. 2) Editorial 1900
869 Set bitmasks brute force combinatorics dfs and similar divide and conquer dp math Statement F Codeforces Round 947 (Div. 1 + Div. 2) {1975} PROGRAMMING 2500.0 editorial_zh.pdf 2600
1304 Minecraft bitmasks brute force dp math Statement G Codeforces Round 959 sponsored by NEAR (Div. 1 + Div. 2) {1994} PROGRAMMING 2750.0 Video Tutorial
66 Bit Game (Hard Version) bitmasks dp math Statement E2 Codeforces Round 982 (Div. 2) {2027} PROGRAMMING 1000.0
9139 Bewitching Stargazer bitmasks divide and conquer dp math Statement C Good Bye 2024: 2025 is NEAR {2053} PROGRAMMING 1250.0
81 Xor of Median (Easy Version) bitmasks combinatorics dp math Statement F1 Codeforces Round 997 (Div. 2) {2056} PROGRAMMING 2750.0