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Solved
Name
Tags
Solutions
Index
Contest
Type
Points
Tutorial
Rating Level
15866 Permutation Printing brute force constructive algorithms math Statement B think-cell Round 1 {1930} PROGRAMMING 1000.0 think-cell Round 1 Editorial
745 Maximize the Difference bitmasks brute force dfs and similar Statement F think-cell Round 1 {1930} PROGRAMMING 2750.0 think-cell Round 1 Editorial
18970 Maximise The Score greedy sortings Statement A think-cell Round 1 {1930} PROGRAMMING 500.0 think-cell Round 1 Editorial
7330 Lexicographically Largest constructive algorithms data structures greedy sortings Statement C think-cell Round 1 {1930} PROGRAMMING 1500.0 think-cell Round 1 Editorial
208 Interactive Mex Tree interactive Statement H think-cell Round 1 {1930} PROGRAMMING 3500.0 think-cell Round 1 Editorial
75 Counting Is Fun combinatorics Statement I think-cell Round 1 {1930} PROGRAMMING 5000.0 think-cell Round 1 Editorial
1198 2..3...4.... Wonderful! Wonderful! combinatorics math Statement E think-cell Round 1 {1930} PROGRAMMING 2500.0 think-cell Round 1 Editorial
36923 Recovering a Small String brute force strings Statement A Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
2951 One-Dimensional Puzzle combinatorics constructive algorithms math number theory Statement G Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
30015 Make Equal Again brute force greedy math Statement C Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
32880 Make Equal greedy Statement B Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
20265 Divisible Pairs combinatorics data structures hashing math Statement D Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
8401 Chat Screenshots combinatorics dfs and similar graphs implementation Statement F Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
16972 Anna and the Valentine's Day Gift games greedy math sortings Statement E Codeforces Round 925 (Div. 3) {1931} PROGRAMMING 125878
30402 Thorns and Coins dp greedy implementation Statement A Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
1121 Moving Platforms graphs math number theory shortest paths Statement G Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
16339 LR-remainders brute force data structures implementation math Statement C Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
8600 Final Countdown implementation math number theory Statement E Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
4341 Feed Cats data structures dp sortings Statement F Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
21362 Chaya Calendar number theory Statement B Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
11870 Card Game greedy implementation Statement D Codeforces Round 927 (Div. 3) {1932} PROGRAMMING 126196
11741 Turtle vs. Rabbit Race: Optimal Trainings binary search math ternary search Statement E Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
20908 Turtle Tenacity: Continual Mods constructive algorithms greedy number theory sortings Statement D Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
38896 Turtle Puzzle: Rearrange and Negate greedy math sortings Statement A Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
2572 Turtle Mission: Robot and the Earthquake dfs and similar dp graphs shortest paths Statement F Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
33527 Turtle Math: Fast Three Task implementation number theory Statement B Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
1003 Turtle Magic: Royal Turtle Shell Pattern bitmasks brute force combinatorics math Statement G Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
23210 Turtle Fingers: Count the Values of k brute force number theory Statement C Codeforces Round 929 (Div. 3) {1933} PROGRAMMING Codeforces Round 929 (Div. 3) Editorial
19568 Yet Another Coin Problem brute force dp greedy math Statement B Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1000.0 Tutorial
3624 XOR Break --- Solo Version bitmasks constructive algorithms greedy Statement D1 Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1500.0 Tutorial
1432 XOR Break --- Game Version bitmasks games greedy interactive Statement D2 Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1250.0 Tutorial
251 Weird LCM Operations brute force constructive algorithms Statement E Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 3250.0 Tutorial
25854 Too Min Too Max constructive algorithms greedy math Statement A Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 500.0 Tutorial
7111 Find a Mine constructive algorithms geometry greedy interactive math Statement C Codeforces Round 931 (Div. 2) {1934} PROGRAMMING 1500.0 Tutorial
8470 Messenger in MAC binary search brute force constructive algorithms data structures dp sortings Statement C Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 1500.0 Codeforces Round #932 (Div. 2) Editorial
19133 Informatics in MAC constructive algorithms Statement B Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 1000.0 Codeforces Round #932 (Div. 2) Editorial
8539 Exam in MAC binary search combinatorics math Statement D Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 1750.0 Codeforces Round #932 (Div. 2) Editorial
28594 Entertainment in MAC constructive algorithms strings Statement A Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 500.0 Codeforces Round #932 (Div. 2) Editorial
1426 Distance Learning Courses in MAC binary search bitmasks data structures greedy implementation math Statement E Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 2500.0 Codeforces Round #932 (Div. 2) Editorial
463 Andrey's Tree binary search constructive algorithms ds greedy implementation trees Statement F Codeforces Round 932 (Div. 2) {1935} PROGRAMMING 3000.0 Codeforces Round #932 (Div. 2) Editorial
126 Yet Yet Another Permutation Problem divide and conquer fft math Statement E Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 2500.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
1379 Pokémon Arena data structures graphs shortest paths Statement C Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 1500.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
3056 Pinball binary search implementation math Statement B Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 1000.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
147 Grand Finale: Circles geometry Statement F Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 2750.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
537 Bitwise Paradox bitmasks data structures greedy two pointers Statement D Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 2000.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
7719 Bitwise Operation Wizard bitmasks constructive algorithms greedy interactive math Statement A Codeforces Round 930 (Div. 1) {1936} PROGRAMMING 500.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
23487 Shuffle Party implementation math Statement A Codeforces Round 930 (Div. 2) {1937} PROGRAMMING 500.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
15516 Binary Path greedy implementation Statement B Codeforces Round 930 (Div. 2) {1937} PROGRAMMING 1000.0 Codeforces Round 930 (Div. 1, Div. 2) Editorial
63 Zig-zag Statement M 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
299 XOR Operations Statement L 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
649 Tree Quiz Statement K 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1330 There and Back Again Statement J 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
79 Symmetric Boundary Statement I 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
2232 Pho Restaurant Statement H 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1085 Personality Test Statement G 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
781 Forming Groups Statement F 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1047 Duplicates Statement E 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
1525 Bit Counting Sequence Statement C 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
92 Bánh Bò Statement D 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
201 Attraction Score Statement B 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
58 Antiparticle Antiphysics Statement A 2024 ICPC Asia Pacific Championship - Online Mirror (Unrated, Online Mirror, ICPC Rules, Teams Preferred) {1938} PROGRAMMING
320 More Gifts *special dfs and similar two pointers Statement C XVIII Open Olympiad in Informatics - Final Stage, Day 1 (Unrated, Online Mirror, IOI rules) {1939} PROGRAMMING
248 Evidence Board *special constructive algorithms dfs and similar graphs trees Statement B XVIII Open Olympiad in Informatics - Final Stage, Day 1 (Unrated, Online Mirror, IOI rules) {1939} PROGRAMMING
24 Draw Polygon Lines *special constructive algorithms dp geometry interactive Statement A XVIII Open Olympiad in Informatics - Final Stage, Day 1 (Unrated, Online Mirror, IOI rules) {1939} PROGRAMMING
101 Big Persimmon *special dp games Statement D XVIII Open Olympiad in Informatics - Final Stage, Day 1 (Unrated, Online Mirror, IOI rules) {1939} PROGRAMMING
216 Three Arrays *special constructive algorithms implementation sortings Statement B XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} PROGRAMMING
86 Parallel Universes *special constructive algorithms dfs and similar ds graphs Statement A XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} PROGRAMMING
35 Burenka and Pether *special data structures dfs and similar divide and conquer ds graphs sortings trees Statement C XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} PROGRAMMING
146 Almost Certainly *special constructive algorithms data structures sortings Statement D XVIII Open Olympiad in Informatics - Final Stage, Day 2 (Unrated, Online Mirror, IOI rules) {1940} PROGRAMMING
34551 Rudolf and the Ugly String dp strings Statement C Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
43494 Rudolf and the Ticket brute force math sortings two pointers Statement A Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
18935 Rudolf and the Ball Game dp implementation Statement D Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
3710 Rudolf and Subway dfs and similar graphs shortest paths Statement G Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
10126 Rudolf and k Bridges data structures dp Statement E Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
6305 Rudolf and Imbalance binary search greedy two pointers Statement F Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
30895 Rudolf and 121 greedy math Statement B Codeforces Round 933 (Div. 3) {1941} PROGRAMMING 127018
2891 Learning to Paint data structures dp greedy Statement D CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 2250.0 CodeTON Round 8 Editorial
1742 Farm Game combinatorics games math Statement E CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 2500.0 CodeTON Round 8 Editorial
111 Farmer John's Favorite Intern data structures dp flows trees Statement H CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 4500.0 CodeTON Round 8 Editorial
719 Farmer John's Favorite Function data structures Statement F CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 3000.0 CodeTON Round 8 Editorial
17611 Farmer John's Challenge constructive algorithms math Statement A CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 500.0 CodeTON Round 8 Editorial
6312 Bessie's Birthday Cake (Hard Version) geometry greedy math Statement C2 CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 750.0 CodeTON Round 8 Editorial
11314 Bessie's Birthday Cake (Easy Version) geometry math Statement C1 CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 1250.0 CodeTON Round 8 Editorial
14343 Bessie and MEX constructive algorithms math Statement B CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 1000.0 CodeTON Round 8 Editorial
495 Bessie and Cards combinatorics math Statement G CodeTON Round 8 (Div. 1 + Div. 2, Rated, Prizes!) {1942} PROGRAMMING 3000.0 CodeTON Round 8 Editorial
2198 Tree Compass constructive algorithms dfs and similar greedy trees Statement C Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1250.0 Codeforces Round #934 (Div1, Div2) Editorial
3984 Non-Palindromic Substring data structures hashing implementation math strings Statement B Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1250.0 Codeforces Round #934 (Div1, Div2) Editorial
116 Minimum Hamming Distance dp Statement F Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 4500.0 Codeforces Round #934 (Div1, Div2) Editorial
309 MEX Game 2 (Hard Version) binary search greedy two pointers Statement E2 Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1500.0 Codeforces Round #934 (Div1, Div2) Editorial
447 MEX Game 2 (Easy Version) binary search brute force greedy Statement E1 Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 2000.0 Codeforces Round #934 (Div1, Div2) Editorial
18677 MEX Game 1 brute force games greedy Statement A Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 500.0 Codeforces Round #934 (Div1, Div2) Editorial
854 Counting Is Fun (Hard Version) combinatorics dp Statement D2 Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 2000.0 Codeforces Round #934 (Div1, Div2) Editorial
1576 Counting Is Fun (Easy Version) combinatorics dp Statement D1 Codeforces Round 934 (Div. 1) {1943} PROGRAMMING 1250.0 Codeforces Round #934 (Div1, Div2) Editorial
16609 Equal XOR bitmasks constructive algorithms Statement B Codeforces Round 934 (Div. 2) {1944} PROGRAMMING 1000.0 Codeforces Round #934 (Div1, Div2) Editorial
24416 Destroying Bridges math Statement A Codeforces Round 934 (Div. 2) {1944} PROGRAMMING 500.0 Codeforces Round #934 (Div1, Div2) Editorial
28290 Setting up Camp greedy math Statement A Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
15056 Seraphim the Owl greedy Statement D Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
15429 Left and Right Houses brute force Statement C Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
4370 Kirill and Mushrooms data structures sortings Statement F Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377
708 GCD is Greater bitmasks brute force number theory Statement H Codeforces Round 935 (Div. 3) {1945} PROGRAMMING 127377