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# Problem Tags Rating Solved
1316-A Grade Allocation
implementation
800
1315-C Restoring Permutation
greedy
1200
1315-B Homecoming
binary search dp greedy +1
1300
1315-A Dead Pixel
implementation
800
1313-E Concatenation with intersection
data structures hashing strings +1
2700
1313-D Happy New Year
bitmasks dp implementation
2500
1313-C2 Skyscrapers (hard version)
data structures dp greedy
1900
1313-C1 Skyscrapers (easy version)
brute force data structures dp +1
1500
1313-B Different Rules
constructive algorithms greedy implementation +1
1700
1313-A Fast Food Restaurant
brute force greedy implementation
900
1312-G Autocompletion
data structures dfs and similar dp
2600
1312-F Attack on Red Kingdom
games two pointers
2500
1312-E Array Shrinking
dp greedy
2100
1312-D Count the Arrays
combinatorics math
1700
1312-C Adding Powers
bitmasks greedy implementation +3
1400
1312-B Bogosort
constructive algorithms sortings
1000
1312-A Two Regular Polygons
geometry greedy math +1
800
1311-F Moving Points
data structures divide and conquer implementation +1
1900
1311-E Construct the Binary Tree
brute force constructive algorithms trees
2200
1311-D Three Integers
brute force math
2000
1311-C Perform the Combo
brute force
1300
1311-B WeirdSort
dfs and similar sortings
1200
1311-A Add Odd or Subtract Even
greedy implementation math
800
1310-F Bad Cryptography
math number theory
3400
1310-E Strange Function
dp
2900
1310-D Tourism
dp graphs probabilities
2300
1310-C Au Pont Rouge
binary search dp strings
2800
1310-B Double Elimination
dp implementation
2500
1310-A Recommendations
data structures greedy sortings
1700
1307-G Cow and Exercise
flows graphs shortest paths
3100
1307-F Cow and Vacation
dfs and similar dsu trees
3300
1307-E Cow and Treats
binary search combinatorics dp +3
2500
1307-D Cow and Fields
binary search data structures dfs and similar +4
1900
1307-C Cow and Message
brute force dp math +1
1500
1307-B Cow and Friend
geometry greedy math
1300
1307-A Cow and Haybales
greedy implementation
800
1305-H Kuroni the Private Tutor
binary search greedy
3500
1305-G Kuroni and Antihype
bitmasks brute force dp +2
3500
1305-F Kuroni and the Punishment
math number theory probabilities
2500
1305-E Kuroni and the Score Distribution
constructive algorithms greedy implementation +1
2200
1305-D Kuroni and the Celebration
constructive algorithms dfs and similar interactive +1
1900
1305-C Kuroni and Impossible Calculation
brute force combinatorics math +1
1600
1305-B Kuroni and Simple Strings
constructive algorithms greedy strings +1
1200
1305-A Kuroni and the Gifts
brute force constructive algorithms greedy +1
800
1304-F2 Animal Observation (hard version)
data structures dp greedy
2400
1304-F1 Animal Observation (easy version)
data structures dp
2300
1304-E 1-Trees and Queries
data structures dfs and similar shortest paths +1
2000
1304-D Shortest and Longest LIS
constructive algorithms graphs greedy +1
1800
1304-C Air Conditioner
dp greedy implementation +2
1500
1304-B Longest Palindrome
brute force constructive algorithms greedy +2
1100