March 5, 2021
620
932 		NOTIME No Time to Wait March Challenge 2021
algorithms basic-maths brute-force implementation mathematics
March 5, 2021
904
1176 		GROUPS Chef and Groups March Challenge 2021
ad-hoc algorithms basic-programming-concepts brute-force conditional-statements constructive
March 5, 2021
1256
1487 		IRSTXOR Interesting XOR! March Challenge 2021
ad-hoc algorithms bit-manipulation bitwise-operation constructive greedy mathematics observation
March 5, 2021
1287
1511 		SPACEARR Space Arrays March Challenge 2021
1d-arrays algorithms arrays data-structures game-theory observation
March 5, 2021
1656
1856 		COLGLF4 College Life 4 March Challenge 2021
ad-hoc algorithms basic-maths brute-force constructive implementation linear-programming mathematics
March 5, 2021
1739
1939 		PAPARAZI Paparazzi Gennady March Challenge 2021
convex-hull easy-medium fairy_winx march21
March 5, 2021
1825
2038 		CONSADD Consecutive Adding March Challenge 2021
algorithms constructive
March 5, 2021
2084
2304 		MAXTOPO Maximum Topological Sort March Challenge 2021
advanced-algorithms advanced-dp advanced-greedy algorithms constructive data-structures dfs dp-on-trees graph-algos observation traversals tree-data-structure
March 5, 2021
2121
2330 		DENSEGRP Dense Graph March Challenge 2021
advanced-algorithms advanced-data-structures advanced-tree-structures algorithms bfs coordinate-compression data-structures dijkstras-algorithm graph-algos graphs pre-processing segment-trees shortest-paths traversals
March 5, 2021
2491
2738 		LCKDSAFE Locked Safe March Challenge 2021
advanced-algorithms advanced-divide-and-conquer algorithms simple-algos two-pointers
March 5, 2021
2500
2592 		SUBPROB Substring Probability March Challenge 2021
advanced-algorithms advanced-data-structures advanced-graph-algos advanced-tree-structures algorithms data-structures dfs graph-algos graphs hld kmp-algorithm lowest-common-ancestor mathematics probability segment-trees string-matching traversals trees
March 5, 2021
2753
2938 		RWALKS Random Walk Queries March Challenge 2021
advanced-algorithms advanced-graph-algos algorithms centroid-decomposition data-structures dfs graph-algos graphs lowest-common-ancestor online-queries queries traversals trees
March 5, 2021
2817
3651 		WIREL Wireless Electricity (Challenge) March Challenge 2021
challenge-problem
March 5, 2021
2933
3160 		CCNF Clique Boolean Expression March Challenge 2021
2-sat advanced-algorithms algorithms data-structures dfs dynamic-programming graph-algos graphs traversals trees