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# Problem Tags Rating Solved
774-K Stepan and Vowels
*special implementation strings
1600
774-J Stepan's Series
*special dp
2000
774-I Composing Of String
*special dp
2300
774-H Repairing Of String
*special constructive algorithms
2200
774-G Perfectionist Arkadiy
*special number theory
2700
774-F Pens And Days Of Week
*special binary search number theory
2700
774-E Big Number and Remainder
*special math number theory
2300
774-D Lie or Truth
*special constructive algorithms implementation +1
1500
774-C Maximum Number
*special constructive algorithms greedy +1
1200
774-B Significant Cups
*special binary search data structures +1
2100
774-A Amusement Park
*special ternary search
2100
773-F Test Data Generation
combinatorics divide and conquer dp +3
3400
773-E Blog Post Rating
data structures sortings
3000
773-D Perishable Roads
dp graphs shortest paths
2700
773-C Prairie Partition
binary search constructive algorithms greedy +1
2200
773-B Dynamic Problem Scoring
brute force greedy
2000
773-A Success Rate
binary search math
1700
772-E Verifying Kingdom
binary search divide and conquer interactive +1
3200
772-D Varying Kibibits
bitmasks dp
2700
772-C Vulnerable Kerbals
constructive algorithms dp graphs +2
2300
772-B Volatile Kite
geometry
1800
772-A Voltage Keepsake
binary search math
1800
771-F Bear and Isomorphic Points
geometry two pointers
3300
771-E Bear and Rectangle Strips
dp greedy
3000
771-D Bear and Company
dp
2500
771-C Bear and Tree Jumps
dfs and similar dp trees
2100
771-B Bear and Different Names
constructive algorithms greedy
1500
771-A Bear and Friendship Condition
dfs and similar dsu graphs
1500
770-D Draw Brackets!
*special implementation
1400
770-C Online Courses In BSU
*special dfs and similar graphs +1
1500
770-B Maximize Sum of Digits
*special implementation math
1300
770-A New Password
*special implementation
800
769-D k-Interesting Pairs Of Integers
*special bitmasks brute force +1
1700
769-C Cycle In Maze
*special dfs and similar graphs +2
1700
769-B News About Credit
*special greedy two pointers
1200
769-A Year of University Entrance
*special implementation sortings
800
768-G The Winds of Winter
binary search data structures
3300
768-F Barrels and boxes
brute force combinatorics math +2
2300
768-E Game of Stones
bitmasks dp games
2100
768-D Jon and Orbs
dp math probabilities
2200
768-C Jon Snow and his Favourite Number
brute force dp implementation +1
1800
768-B Code For 1
constructive algorithms dfs and similar divide and conquer
1600
768-A Oath of the Night's Watch
constructive algorithms sortings
900
767-E Change-free
greedy
2400
767-D Cartons of milk
binary search data structures greedy +2
2100
767-C Garland
dfs and similar graphs greedy +1
2000
767-B The Queue
brute force greedy
2100
767-A Snacktower
data structures implementation
1100
766-E Mahmoud and a xor trip
bitmasks constructive algorithms data structures +4
2100
766-D Mahmoud and a Dictionary
data structures dfs and similar dp +2
2000