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ID Problem Show tags Hide tags AC / Tried Difficulty
7539 P14B   Young Photographer
  • implementation
  • *1000
0 / 0 (None)
7538 P14C   Four Segments
  • brute force
  • constructive algorithms
  • geometry
  • implementation
  • math
  • *1700
0 / 0 (None)
7537 P14D   Two Paths
  • dfs and similar
  • dp
  • graphs
  • shortest paths
  • trees
  • two pointers
  • *1900
0 / 0 (None)
7536 P14E   Camels
  • dp
  • *1900
0 / 0 (None)
7535 P15A   Cottage Village
  • implementation
  • sortings
  • *1200
0 / 0 (None)
7534 P15B   Laser
  • math
  • *1800
0 / 0 (None)
7533 P15C   Industrial Nim
  • games
  • *2000
0 / 0 (None)
7532 P15D   Map
  • data structures
  • implementation
  • sortings
  • *2500
0 / 0 (None)
7531 P15E   Triangles
  • combinatorics
  • dp
  • *2600
0 / 0 (None)
7530 P16A   Flag
  • implementation
  • *800
0 / 0 (None)
7529 P16B   Burglar and Matches
  • greedy
  • implementation
  • sortings
  • *900
0 / 0 (None)
7528 P16C   Monitor
  • binary search
  • number theory
  • *1800
0 / 0 (None)
7527 P16D   Logging
  • implementation
  • strings
  • *1900
0 / 0 (None)
7526 P16E   Fish
  • bitmasks
  • dp
  • probabilities
  • *1900
0 / 0 (None)
7525 P17A   Noldbach problem
  • brute force
  • math
  • number theory
  • *1000
0 / 0 (None)
7524 P17B   Hierarchy
  • dfs and similar
  • dsu
  • greedy
  • shortest paths
  • *1500
0 / 0 (None)
7523 P17C   Balance
  • dp
  • *2500
0 / 0 (None)
7522 P17D   Notepad
  • number theory
  • *2400
0 / 0 (None)
7521 P17E   Palisection
  • strings
  • *2900
0 / 0 (None)
7520 P18A   Triangle
  • brute force
  • geometry
  • *1500
0 / 0 (None)
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