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# Problem Tags Rating Solved
514-B Han Solo and Lazer Gun
brute force data structures geometry +2
1400
514-A Chewbaсca and Number
greedy implementation
1200
513-G3 Inversions problem
dp
3100
513-G2 Inversions problem
dp probabilities
2400
513-G1 Inversions problem
brute force dfs and similar dp +1
1800
513-F2 Scaygerboss
flows
2800
513-F1 Scaygerboss
flows
2700
513-E2 Subarray Cuts
dp
2700
513-E1 Subarray Cuts
dp
2600
513-D2 Constrained Tree
constructive algorithms data structures
2600
513-D1 Constrained Tree
dfs and similar
2400
513-C Second price auction
bitmasks probabilities
2000
513-B2 Permutations
bitmasks divide and conquer math
1800
513-B1 Permutations
brute force
1400
513-A Game
constructive algorithms math
800
512-E Fox And Polygon
constructive algorithms divide and conquer
2900
512-D Fox And Travelling
dp trees
2900
510-E Fox And Dinner
flows
2300
510-D Fox And Jumping
bitmasks brute force dp +1
1900
510-C Fox And Names
dfs and similar graphs sortings
1600
510-B Fox And Two Dots
dfs and similar
1500
510-A Fox And Snake
implementation
800
509-F Progress Monitoring
dp trees
2300
509-E Pretty Song
math strings
2000
509-D Restoring Numbers
constructive algorithms math
2200
509-C Sums of Digits
dp greedy implementation
2000
509-B Painting Pebbles
constructive algorithms greedy implementation
1300
509-A Maximum in Table
brute force implementation
800
508-E Arthur and Brackets
dp greedy
2200
508-D Tanya and Password
dfs and similar graphs
2500
508-C Anya and Ghosts
constructive algorithms greedy
1600
508-B Anton and currency you all know
greedy math strings
1300
508-A Pasha and Pixels
brute force
1100
507-E Breaking Good
dfs and similar dp graphs +1
2100
507-D The Maths Lecture
dp implementation
2200
507-C Guess Your Way Out!
implementation math trees
1700
507-B Amr and Pins
geometry math
1400
507-A Amr and Music
greedy implementation sortings
1000
506-E Mr. Kitayuta's Gift
combinatorics dp matrices +1
3000
506-D Mr. Kitayuta's Colorful Graph
brute force dfs and similar dsu +1
2400
505-E Mr. Kitayuta vs. Bamboos
binary search greedy
2900
505-D Mr. Kitayuta's Technology
dfs and similar
2200
505-C Mr. Kitayuta, the Treasure Hunter
dfs and similar dp two pointers
1900
505-B Mr. Kitayuta's Colorful Graph
dfs and similar dp dsu +1
1400
505-A Mr. Kitayuta's Gift
brute force implementation strings
1100
504-E Misha and LCP on Tree
binary search dfs and similar hashing +2
3000
504-D Misha and XOR
bitmasks
2700
501-E Misha and Palindrome Degree
binary search combinatorics implementation
2500
501-D Misha and Permutations Summation
data structures
2000
501-C Misha and Forest
constructive algorithms data structures greedy +2
1500