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codeforces:1654-C
codeforces
1654-C
Alice and the Cake
https://codeforces.com/problemset/problem/1654/C
[ "data structures", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 14573 }
2026-06-01T05:00:40.145500+00:00
codeforces:1654-B
codeforces
1654-B
Prefix Removals
https://codeforces.com/problemset/problem/1654/B
[ "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 16788 }
2026-06-01T05:00:40.145500+00:00
codeforces:1654-A
codeforces
1654-A
Maximum Cake Tastiness
https://codeforces.com/problemset/problem/1654/A
[ "brute force", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 19407 }
2026-06-01T05:00:40.145500+00:00
codeforces:1651-F
codeforces
1651-F
Tower Defense
https://codeforces.com/problemset/problem/1651/F
[ "binary search", "brute force", "data structures" ]
null
null
stdin_stdout
3,000
{ "solved_count": 482 }
2026-06-01T05:00:40.145500+00:00
codeforces:1651-E
codeforces
1651-E
Sum of Matchings
https://codeforces.com/problemset/problem/1651/E
[ "brute force", "combinatorics", "constructive algorithms", "dfs and similar", "graph matchings", "greedy", "math" ]
null
null
stdin_stdout
2,600
{ "solved_count": 621 }
2026-06-01T05:00:40.145500+00:00
codeforces:1651-D
codeforces
1651-D
Nearest Excluded Points
https://codeforces.com/problemset/problem/1651/D
[ "binary search", "data structures", "dfs and similar", "graphs", "shortest paths" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6557 }
2026-06-01T05:00:40.145500+00:00
codeforces:1651-C
codeforces
1651-C
Fault-tolerant Network
https://codeforces.com/problemset/problem/1651/C
[ "brute force", "data structures", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 11598 }
2026-06-01T05:00:40.145500+00:00
codeforces:1651-B
codeforces
1651-B
Prove Him Wrong
https://codeforces.com/problemset/problem/1651/B
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 20489 }
2026-06-01T05:00:40.145500+00:00
codeforces:1651-A
codeforces
1651-A
Playoff
https://codeforces.com/problemset/problem/1651/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 26692 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-G
codeforces
1650-G
Counting Shortcuts
https://codeforces.com/problemset/problem/1650/G
[ "data structures", "dfs and similar", "dp", "graphs", "shortest paths" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2972 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-F
codeforces
1650-F
Vitaly and Advanced Useless Algorithms
https://codeforces.com/problemset/problem/1650/F
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
2,200
{ "solved_count": 1675 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-E
codeforces
1650-E
Rescheduling the Exam
https://codeforces.com/problemset/problem/1650/E
[ "binary search", "data structures", "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
1,900
{ "solved_count": 4474 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-D
codeforces
1650-D
Twist the Permutation
https://codeforces.com/problemset/problem/1650/D
[ "brute force", "constructive algorithms", "implementation", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15272 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-C
codeforces
1650-C
Weight of the System of Nested Segments
https://codeforces.com/problemset/problem/1650/C
[ "greedy", "hashing", "implementation", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18571 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-B
codeforces
1650-B
DIV + MOD
https://codeforces.com/problemset/problem/1650/B
[ "math" ]
null
null
stdin_stdout
900
{ "solved_count": 30069 }
2026-06-01T05:00:40.145500+00:00
codeforces:1650-A
codeforces
1650-A
Deletions of Two Adjacent Letters
https://codeforces.com/problemset/problem/1650/A
[ "implementation", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 37383 }
2026-06-01T05:00:40.145500+00:00
codeforces:1649-B
codeforces
1649-B
Game of Ball Passing
https://codeforces.com/problemset/problem/1649/B
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,300
{ "solved_count": 13975 }
2026-06-01T05:00:40.145500+00:00
codeforces:1649-A
codeforces
1649-A
Game
https://codeforces.com/problemset/problem/1649/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 16062 }
2026-06-01T05:00:40.145500+00:00
codeforces:1648-F
codeforces
1648-F
Two Avenues
https://codeforces.com/problemset/problem/1648/F
[ "data structures", "dfs and similar", "graphs" ]
null
null
stdin_stdout
3,500
{ "solved_count": 186 }
2026-06-01T05:00:40.145500+00:00
codeforces:1648-E
codeforces
1648-E
Air Reform
https://codeforces.com/problemset/problem/1648/E
[ "data structures", "dfs and similar", "divide and conquer", "dsu", "graphs", "implementation", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 516 }
2026-06-01T05:00:40.145500+00:00
codeforces:1648-D
codeforces
1648-D
Serious Business
https://codeforces.com/problemset/problem/1648/D
[ "data structures", "divide and conquer", "dp", "implementation", "shortest paths" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1052 }
2026-06-01T05:00:40.145500+00:00
codeforces:1648-C
codeforces
1648-C
Tyler and Strings
https://codeforces.com/problemset/problem/1648/C
[ "combinatorics", "data structures", "implementation" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3348 }
2026-06-01T05:00:40.145500+00:00
codeforces:1648-B
codeforces
1648-B
Integral Array
https://codeforces.com/problemset/problem/1648/B
[ "brute force", "constructive algorithms", "data structures", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7313 }
2026-06-01T05:00:40.145500+00:00
codeforces:1648-A
codeforces
1648-A
Weird Sum
https://codeforces.com/problemset/problem/1648/A
[ "combinatorics", "data structures", "geometry", "math", "matrices", "sortings" ]
null
null
stdin_stdout
1,400
{ "solved_count": 19066 }
2026-06-01T05:00:40.145500+00:00
codeforces:1647-F
codeforces
1647-F
Madoka and Laziness
https://codeforces.com/problemset/problem/1647/F
[ "dp", "greedy" ]
null
null
stdin_stdout
3,100
{ "solved_count": 544 }
2026-06-01T05:00:40.145500+00:00
codeforces:1647-E
codeforces
1647-E
Madoka and the Sixth-graders
https://codeforces.com/problemset/problem/1647/E
[ "data structures", "dfs and similar", "greedy" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1098 }
2026-06-01T05:00:40.145500+00:00
codeforces:1647-D
codeforces
1647-D
Madoka and the Best School in Russia
https://codeforces.com/problemset/problem/1647/D
[ "constructive algorithms", "dp", "math", "number theory" ]
null
null
stdin_stdout
1,900
{ "solved_count": 5713 }
2026-06-01T05:00:40.145500+00:00
codeforces:1647-C
codeforces
1647-C
Madoka and Childish Pranks
https://codeforces.com/problemset/problem/1647/C
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,300
{ "solved_count": 13356 }
2026-06-01T05:00:40.145500+00:00
codeforces:1647-B
codeforces
1647-B
Madoka and the Elegant Gift
https://codeforces.com/problemset/problem/1647/B
[ "brute force", "constructive algorithms", "graphs", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 17142 }
2026-06-01T05:00:40.145500+00:00
codeforces:1647-A
codeforces
1647-A
Madoka and Math Dad
https://codeforces.com/problemset/problem/1647/A
[ "implementation", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 23507 }
2026-06-01T05:00:40.145500+00:00
codeforces:1646-F
codeforces
1646-F
Playing Around the Table
https://codeforces.com/problemset/problem/1646/F
[ "constructive algorithms", "greedy", "implementation" ]
null
null
stdin_stdout
2,900
{ "solved_count": 683 }
2026-06-01T05:00:40.145500+00:00
codeforces:1646-E
codeforces
1646-E
Power Board
https://codeforces.com/problemset/problem/1646/E
[ "brute force", "dp", "math", "number theory" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2764 }
2026-06-01T05:00:40.145500+00:00
codeforces:1646-D
codeforces
1646-D
Weight the Tree
https://codeforces.com/problemset/problem/1646/D
[ "constructive algorithms", "dfs and similar", "dp", "implementation", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4459 }
2026-06-01T05:00:40.145500+00:00
codeforces:1646-C
codeforces
1646-C
Factorials and Powers of Two
https://codeforces.com/problemset/problem/1646/C
[ "bitmasks", "brute force", "constructive algorithms", "dp", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 19806 }
2026-06-01T05:00:40.145500+00:00
codeforces:1646-B
codeforces
1646-B
Quality vs Quantity
https://codeforces.com/problemset/problem/1646/B
[ "brute force", "constructive algorithms", "greedy", "sortings", "two pointers" ]
null
null
stdin_stdout
800
{ "solved_count": 22713 }
2026-06-01T05:00:40.145500+00:00
codeforces:1646-A
codeforces
1646-A
Square Counting
https://codeforces.com/problemset/problem/1646/A
[ "math" ]
null
null
stdin_stdout
800
{ "solved_count": 25426 }
2026-06-01T05:00:40.145500+00:00
codeforces:1644-F
codeforces
1644-F
Basis
https://codeforces.com/problemset/problem/1644/F
[ "combinatorics", "fft", "math", "number theory" ]
null
null
stdin_stdout
2,900
{ "solved_count": 430 }
2026-06-01T05:00:40.145500+00:00
codeforces:1644-E
codeforces
1644-E
Expand the Path
https://codeforces.com/problemset/problem/1644/E
[ "brute force", "combinatorics", "data structures", "implementation", "math" ]
null
null
stdin_stdout
1,900
{ "solved_count": 3491 }
2026-06-01T05:00:40.145500+00:00
codeforces:1644-D
codeforces
1644-D
Cross Coloring
https://codeforces.com/problemset/problem/1644/D
[ "data structures", "implementation", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7889 }
2026-06-01T05:00:40.145500+00:00
codeforces:1644-C
codeforces
1644-C
Increase Subarray Sums
https://codeforces.com/problemset/problem/1644/C
[ "brute force", "dp", "greedy", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 15031 }
2026-06-01T05:00:40.145500+00:00
codeforces:1644-B
codeforces
1644-B
Anti-Fibonacci Permutation
https://codeforces.com/problemset/problem/1644/B
[ "brute force", "constructive algorithms", "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 21331 }
2026-06-01T05:00:40.145500+00:00
codeforces:1644-A
codeforces
1644-A
Doors and Keys
https://codeforces.com/problemset/problem/1644/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 28675 }
2026-06-01T05:00:40.145500+00:00
codeforces:1642-B
codeforces
1642-B
Power Walking
https://codeforces.com/problemset/problem/1642/B
[ "greedy" ]
null
null
stdin_stdout
900
{ "solved_count": 18283 }
2026-06-01T05:00:40.145500+00:00
codeforces:1642-A
codeforces
1642-A
Hard Way
https://codeforces.com/problemset/problem/1642/A
[ "geometry" ]
null
null
stdin_stdout
800
{ "solved_count": 16751 }
2026-06-01T05:00:40.145500+00:00
codeforces:1641-F
codeforces
1641-F
Covering Circle
https://codeforces.com/problemset/problem/1641/F
[ "geometry" ]
null
null
stdin_stdout
3,500
{ "solved_count": 120 }
2026-06-01T05:00:40.145500+00:00
codeforces:1641-E
codeforces
1641-E
Special Positions
https://codeforces.com/problemset/problem/1641/E
[ "combinatorics", "divide and conquer", "fft", "math" ]
null
null
stdin_stdout
3,300
{ "solved_count": 290 }
2026-06-01T05:00:40.145500+00:00
codeforces:1641-D
codeforces
1641-D
Two Arrays
https://codeforces.com/problemset/problem/1641/D
[ "bitmasks", "brute force", "combinatorics", "greedy", "hashing", "math", "two pointers" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1520 }
2026-06-01T05:00:40.145500+00:00
codeforces:1641-C
codeforces
1641-C
Anonymity Is Important
https://codeforces.com/problemset/problem/1641/C
[ "binary search", "brute force", "data structures", "dsu", "greedy", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2851 }
2026-06-01T05:00:40.145500+00:00
codeforces:1641-B
codeforces
1641-B
Repetitions Decoding
https://codeforces.com/problemset/problem/1641/B
[ "constructive algorithms", "implementation", "sortings" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4077 }
2026-06-01T05:00:40.145500+00:00
codeforces:1641-A
codeforces
1641-A
Great Sequence
https://codeforces.com/problemset/problem/1641/A
[ "brute force", "greedy", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 19016 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-K
codeforces
1639-K
Treasure Hunt
https://codeforces.com/problemset/problem/1639/K
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-J
codeforces
1639-J
Treasure Hunt
https://codeforces.com/problemset/problem/1639/J
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-I
codeforces
1639-I
Treasure Hunt
https://codeforces.com/problemset/problem/1639/I
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-H
codeforces
1639-H
Treasure Hunt
https://codeforces.com/problemset/problem/1639/H
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-G
codeforces
1639-G
Treasure Hunt
https://codeforces.com/problemset/problem/1639/G
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-F
codeforces
1639-F
Treasure Hunt
https://codeforces.com/problemset/problem/1639/F
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-E
codeforces
1639-E
Treasure Hunt
https://codeforces.com/problemset/problem/1639/E
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-D
codeforces
1639-D
Treasure Hunt
https://codeforces.com/problemset/problem/1639/D
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-C
codeforces
1639-C
Treasure Hunt
https://codeforces.com/problemset/problem/1639/C
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-B
codeforces
1639-B
Treasure Hunt
https://codeforces.com/problemset/problem/1639/B
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1639-A
codeforces
1639-A
Treasure Hunt
https://codeforces.com/problemset/problem/1639/A
[ "graphs", "interactive" ]
null
null
stdin_stdout
null
{ "solved_count": 0 }
2026-06-01T05:00:40.145500+00:00
codeforces:1638-F
codeforces
1638-F
Two Posters
https://codeforces.com/problemset/problem/1638/F
[ "brute force", "data structures", "greedy", "two pointers" ]
null
null
stdin_stdout
3,200
{ "solved_count": 261 }
2026-06-01T05:00:40.145500+00:00
codeforces:1638-E
codeforces
1638-E
Colorful Operations
https://codeforces.com/problemset/problem/1638/E
[ "brute force", "data structures", "implementation" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2387 }
2026-06-01T05:00:40.145500+00:00
codeforces:1638-D
codeforces
1638-D
Big Brush
https://codeforces.com/problemset/problem/1638/D
[ "constructive algorithms", "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4756 }
2026-06-01T05:00:40.145500+00:00
codeforces:1638-C
codeforces
1638-C
Inversion Graph
https://codeforces.com/problemset/problem/1638/C
[ "data structures", "dsu", "graphs", "math" ]
null
null
stdin_stdout
1,300
{ "solved_count": 15976 }
2026-06-01T05:00:40.145500+00:00
codeforces:1638-B
codeforces
1638-B
Odd Swap Sort
https://codeforces.com/problemset/problem/1638/B
[ "data structures", "math", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 22598 }
2026-06-01T05:00:40.145500+00:00
codeforces:1638-A
codeforces
1638-A
Reverse
https://codeforces.com/problemset/problem/1638/A
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 22158 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-H
codeforces
1637-H
Minimize Inversions Number
https://codeforces.com/problemset/problem/1637/H
[ "data structures", "greedy", "math", "sortings" ]
null
null
stdin_stdout
3,500
{ "solved_count": 573 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-G
codeforces
1637-G
Birthday
https://codeforces.com/problemset/problem/1637/G
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
3,000
{ "solved_count": 621 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-F
codeforces
1637-F
Towers
https://codeforces.com/problemset/problem/1637/F
[ "constructive algorithms", "dfs and similar", "dp", "greedy", "trees" ]
null
null
stdin_stdout
2,500
{ "solved_count": 2172 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-E
codeforces
1637-E
Best Pair
https://codeforces.com/problemset/problem/1637/E
[ "binary search", "brute force", "implementation" ]
null
null
stdin_stdout
2,100
{ "solved_count": 3819 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-D
codeforces
1637-D
Yet Another Minimization Problem
https://codeforces.com/problemset/problem/1637/D
[ "dp", "greedy", "math" ]
null
null
stdin_stdout
1,800
{ "solved_count": 8952 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-C
codeforces
1637-C
Andrew and Stones
https://codeforces.com/problemset/problem/1637/C
[ "greedy", "implementation" ]
null
null
stdin_stdout
1,200
{ "solved_count": 18763 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-B
codeforces
1637-B
MEX and Array
https://codeforces.com/problemset/problem/1637/B
[ "brute force", "dp", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 15466 }
2026-06-01T05:00:40.145500+00:00
codeforces:1637-A
codeforces
1637-A
Sorting Parts
https://codeforces.com/problemset/problem/1637/A
[ "brute force", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 24155 }
2026-06-01T05:00:40.145500+00:00
codeforces:1635-F
codeforces
1635-F
Closest Pair
https://codeforces.com/problemset/problem/1635/F
[ "data structures", "greedy" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1397 }
2026-06-01T05:00:40.145500+00:00
codeforces:1635-E
codeforces
1635-E
Cars
https://codeforces.com/problemset/problem/1635/E
[ "2-sat", "constructive algorithms", "dfs and similar", "dsu", "graphs", "greedy", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2736 }
2026-06-01T05:00:40.145500+00:00
codeforces:1635-D
codeforces
1635-D
Infinite Set
https://codeforces.com/problemset/problem/1635/D
[ "bitmasks", "dp", "math", "matrices", "number theory", "strings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 7068 }
2026-06-01T05:00:40.145500+00:00
codeforces:1635-C
codeforces
1635-C
Differential Sorting
https://codeforces.com/problemset/problem/1635/C
[ "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,200
{ "solved_count": 25543 }
2026-06-01T05:00:40.145500+00:00
codeforces:1635-B
codeforces
1635-B
Avoid Local Maximums
https://codeforces.com/problemset/problem/1635/B
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 18489 }
2026-06-01T05:00:40.145500+00:00
codeforces:1635-A
codeforces
1635-A
Min Or Sum
https://codeforces.com/problemset/problem/1635/A
[ "bitmasks", "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 26053 }
2026-06-01T05:00:40.145500+00:00
codeforces:1634-F
codeforces
1634-F
Fibonacci Additions
https://codeforces.com/problemset/problem/1634/F
[ "brute force", "data structures", "hashing", "implementation", "math" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1911 }
2026-06-01T05:00:40.145500+00:00
codeforces:1634-E
codeforces
1634-E
Fair Share
https://codeforces.com/problemset/problem/1634/E
[ "constructive algorithms", "data structures", "dfs and similar", "graph matchings", "graphs" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2213 }
2026-06-01T05:00:40.145500+00:00
codeforces:1634-D
codeforces
1634-D
Finding Zero
https://codeforces.com/problemset/problem/1634/D
[ "constructive algorithms", "interactive", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4770 }
2026-06-01T05:00:40.145500+00:00
codeforces:1634-C
codeforces
1634-C
OKEA
https://codeforces.com/problemset/problem/1634/C
[ "constructive algorithms" ]
null
null
stdin_stdout
1,000
{ "solved_count": 19104 }
2026-06-01T05:00:40.145500+00:00
codeforces:1634-B
codeforces
1634-B
Fortune Telling
https://codeforces.com/problemset/problem/1634/B
[ "bitmasks", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 22599 }
2026-06-01T05:00:40.145500+00:00
codeforces:1634-A
codeforces
1634-A
Reverse and Concatenate
https://codeforces.com/problemset/problem/1634/A
[ "greedy", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 24668 }
2026-06-01T05:00:40.145500+00:00
codeforces:1633-F
codeforces
1633-F
Perfect Matching
https://codeforces.com/problemset/problem/1633/F
[ "data structures", "divide and conquer", "interactive", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 377 }
2026-06-01T05:00:40.145500+00:00
codeforces:1633-E
codeforces
1633-E
Spanning Tree Queries
https://codeforces.com/problemset/problem/1633/E
[ "binary search", "data structures", "dfs and similar", "dsu", "graphs", "greedy", "math", "sortings", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1759 }
2026-06-01T05:00:40.145500+00:00
codeforces:1633-D
codeforces
1633-D
Make Them Equal
https://codeforces.com/problemset/problem/1633/D
[ "dp", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 18977 }
2026-06-01T05:00:40.145500+00:00
codeforces:1633-C
codeforces
1633-C
Kill the Monster
https://codeforces.com/problemset/problem/1633/C
[ "brute force", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21280 }
2026-06-01T05:00:40.145500+00:00
codeforces:1633-B
codeforces
1633-B
Minority
https://codeforces.com/problemset/problem/1633/B
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 29440 }
2026-06-01T05:00:40.145500+00:00
codeforces:1633-A
codeforces
1633-A
Div. 7
https://codeforces.com/problemset/problem/1633/A
[ "brute force" ]
null
null
stdin_stdout
800
{ "solved_count": 36118 }
2026-06-01T05:00:40.145500+00:00
codeforces:1632-E2
codeforces
1632-E2
Distance Tree (hard version)
https://codeforces.com/problemset/problem/1632/E2
[ "binary search", "dfs and similar", "shortest paths", "trees" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1203 }
2026-06-01T05:00:40.145500+00:00
codeforces:1632-E1
codeforces
1632-E1
Distance Tree (easy version)
https://codeforces.com/problemset/problem/1632/E1
[ "binary search", "data structures", "dfs and similar", "graphs", "shortest paths", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 1345 }
2026-06-01T05:00:40.145500+00:00
codeforces:1632-D
codeforces
1632-D
New Year Concert
https://codeforces.com/problemset/problem/1632/D
[ "binary search", "data structures", "greedy", "math", "number theory", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5359 }
2026-06-01T05:00:40.145500+00:00
codeforces:1632-C
codeforces
1632-C
Strange Test
https://codeforces.com/problemset/problem/1632/C
[ "binary search", "bitmasks", "brute force", "dp", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 14139 }
2026-06-01T05:00:40.145500+00:00
codeforces:1632-B
codeforces
1632-B
Roof Construction
https://codeforces.com/problemset/problem/1632/B
[ "bitmasks", "constructive algorithms" ]
null
null
stdin_stdout
1,000
{ "solved_count": 32017 }
2026-06-01T05:00:40.145500+00:00
codeforces:1632-A
codeforces
1632-A
ABC
https://codeforces.com/problemset/problem/1632/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 31106 }
2026-06-01T05:00:40.145500+00:00
codeforces:1631-B
codeforces
1631-B
Fun with Even Subarrays
https://codeforces.com/problemset/problem/1631/B
[ "dp", "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 27225 }
2026-06-01T05:00:40.145500+00:00