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2 values
codeforces:1417-B
codeforces
1417-B
Two Arrays
https://codeforces.com/problemset/problem/1417/B
[ "greedy", "math", "sortings" ]
null
null
stdin_stdout
1,100
{ "solved_count": 15174 }
2026-11-02T05:37:07.883505+00:00
codeforces:1417-A
codeforces
1417-A
Copy-paste
https://codeforces.com/problemset/problem/1417/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 18827 }
2026-11-02T05:37:07.883505+00:00
codeforces:1416-F
codeforces
1416-F
Showing Off
https://codeforces.com/problemset/problem/1416/F
[ "flows", "graph matchings", "greedy", "implementation" ]
null
null
stdin_stdout
3,300
{ "solved_count": 740 }
2026-11-02T05:37:07.883505+00:00
codeforces:1416-E
codeforces
1416-E
Split
https://codeforces.com/problemset/problem/1416/E
[ "binary search", "data structures", "dp", "greedy" ]
null
null
stdin_stdout
3,200
{ "solved_count": 563 }
2026-11-02T05:37:07.883505+00:00
codeforces:1416-D
codeforces
1416-D
Graph and Queries
https://codeforces.com/problemset/problem/1416/D
[ "data structures", "dsu", "graphs", "implementation", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 3087 }
2026-11-02T05:37:07.883505+00:00
codeforces:1416-C
codeforces
1416-C
XOR Inverse
https://codeforces.com/problemset/problem/1416/C
[ "bitmasks", "data structures", "divide and conquer", "dp", "greedy", "math", "sortings", "strings", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 5370 }
2026-11-02T05:37:07.883505+00:00
codeforces:1416-B
codeforces
1416-B
Make Them Equal
https://codeforces.com/problemset/problem/1416/B
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6836 }
2026-11-02T05:37:07.883505+00:00
codeforces:1416-A
codeforces
1416-A
k-Amazing Numbers
https://codeforces.com/problemset/problem/1416/A
[ "binary search", "data structures", "implementation", "two pointers" ]
null
null
stdin_stdout
1,500
{ "solved_count": 18148 }
2026-11-02T05:37:07.883505+00:00
codeforces:1415-F
codeforces
1415-F
Cakes for Clones
https://codeforces.com/problemset/problem/1415/F
[ "dp" ]
null
null
stdin_stdout
2,900
{ "solved_count": 630 }
2026-11-02T05:37:07.883505+00:00
codeforces:1415-E
codeforces
1415-E
New Game Plus!
https://codeforces.com/problemset/problem/1415/E
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3080 }
2026-11-02T05:37:07.883505+00:00
codeforces:1415-D
codeforces
1415-D
XOR-gun
https://codeforces.com/problemset/problem/1415/D
[ "bitmasks", "brute force", "constructive algorithms" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6329 }
2026-11-02T05:37:07.883505+00:00
codeforces:1415-C
codeforces
1415-C
Bouncing Ball
https://codeforces.com/problemset/problem/1415/C
[ "brute force", "dp", "implementation" ]
null
null
stdin_stdout
1,400
{ "solved_count": 11893 }
2026-11-02T05:37:07.883505+00:00
codeforces:1415-B
codeforces
1415-B
Repainting Street
https://codeforces.com/problemset/problem/1415/B
[ "brute force", "greedy" ]
null
null
stdin_stdout
1,100
{ "solved_count": 12620 }
2026-11-02T05:37:07.883505+00:00
codeforces:1415-A
codeforces
1415-A
Prison Break
https://codeforces.com/problemset/problem/1415/A
[ "brute force", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 15969 }
2026-11-02T05:37:07.883505+00:00
codeforces:1413-F
codeforces
1413-F
Roads and Ramen
https://codeforces.com/problemset/problem/1413/F
[ "data structures", "trees" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1034 }
2026-11-02T05:37:07.883505+00:00
codeforces:1413-E
codeforces
1413-E
Solo mid Oracle
https://codeforces.com/problemset/problem/1413/E
[ "greedy", "math", "ternary search" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2342 }
2026-11-02T05:37:07.883505+00:00
codeforces:1413-D
codeforces
1413-D
Shurikens
https://codeforces.com/problemset/problem/1413/D
[ "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
1,700
{ "solved_count": 7003 }
2026-11-02T05:37:07.883505+00:00
codeforces:1413-C
codeforces
1413-C
Perform Easily
https://codeforces.com/problemset/problem/1413/C
[ "binary search", "brute force", "dp", "implementation", "sortings", "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 6328 }
2026-11-02T05:37:07.883505+00:00
codeforces:1413-B
codeforces
1413-B
A New Technique
https://codeforces.com/problemset/problem/1413/B
[ "implementation" ]
null
null
stdin_stdout
1,100
{ "solved_count": 12127 }
2026-11-02T05:37:07.883505+00:00
codeforces:1413-A
codeforces
1413-A
Finding Sasuke
https://codeforces.com/problemset/problem/1413/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 15351 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-G
codeforces
1411-G
No Game No Life
https://codeforces.com/problemset/problem/1411/G
[ "bitmasks", "games", "math", "matrices" ]
null
null
stdin_stdout
2,700
{ "solved_count": 966 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-F
codeforces
1411-F
The Thorny Path
https://codeforces.com/problemset/problem/1411/F
[ "greedy", "math" ]
null
null
stdin_stdout
3,000
{ "solved_count": 540 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-E
codeforces
1411-E
Poman Numbers
https://codeforces.com/problemset/problem/1411/E
[ "bitmasks", "greedy", "math", "strings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1882 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-D
codeforces
1411-D
Grime Zoo
https://codeforces.com/problemset/problem/1411/D
[ "brute force", "greedy", "implementation", "strings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 2787 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-C
codeforces
1411-C
Peaceful Rooks
https://codeforces.com/problemset/problem/1411/C
[ "dfs and similar", "dsu", "graphs" ]
null
null
stdin_stdout
1,700
{ "solved_count": 8717 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-B
codeforces
1411-B
Fair Numbers
https://codeforces.com/problemset/problem/1411/B
[ "brute force", "number theory" ]
null
null
stdin_stdout
1,000
{ "solved_count": 34123 }
2026-11-02T05:37:07.883505+00:00
codeforces:1411-A
codeforces
1411-A
In-game Chat
https://codeforces.com/problemset/problem/1411/A
[ "implementation" ]
null
null
stdin_stdout
800
{ "solved_count": 21915 }
2026-11-02T05:37:07.883505+00:00
codeforces:1409-F
codeforces
1409-F
Subsequences of Length Two
https://codeforces.com/problemset/problem/1409/F
[ "dp", "strings" ]
null
null
stdin_stdout
2,100
{ "solved_count": 5315 }
2026-11-02T05:37:07.883505+00:00
codeforces:1409-E
codeforces
1409-E
Two Platforms
https://codeforces.com/problemset/problem/1409/E
[ "binary search", "dp", "sortings", "two pointers" ]
null
null
stdin_stdout
1,800
{ "solved_count": 8626 }
2026-11-02T05:37:07.883505+00:00
codeforces:1409-D
codeforces
1409-D
Decrease the Sum of Digits
https://codeforces.com/problemset/problem/1409/D
[ "greedy", "math" ]
null
null
stdin_stdout
1,500
{ "solved_count": 21900 }
2026-11-02T05:37:07.883505+00:00
codeforces:1409-C
codeforces
1409-C
Yet Another Array Restoration
https://codeforces.com/problemset/problem/1409/C
[ "brute force", "math", "number theory" ]
null
null
stdin_stdout
1,200
{ "solved_count": 25003 }
2026-11-02T05:37:07.883505+00:00
codeforces:1409-B
codeforces
1409-B
Minimum Product
https://codeforces.com/problemset/problem/1409/B
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 31504 }
2026-11-02T05:37:07.883505+00:00
codeforces:1409-A
codeforces
1409-A
Yet Another Two Integers Problem
https://codeforces.com/problemset/problem/1409/A
[ "greedy", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 84254 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-I
codeforces
1408-I
Bitwise Magic
https://codeforces.com/problemset/problem/1408/I
[ "dp", "math" ]
null
null
stdin_stdout
3,200
{ "solved_count": 404 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-H
codeforces
1408-H
Rainbow Triples
https://codeforces.com/problemset/problem/1408/H
[ "binary search", "data structures", "flows", "greedy" ]
null
null
stdin_stdout
3,300
{ "solved_count": 583 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-G
codeforces
1408-G
Clusterization Counting
https://codeforces.com/problemset/problem/1408/G
[ "combinatorics", "dp", "dsu", "fft", "graphs", "trees" ]
null
null
stdin_stdout
2,700
{ "solved_count": 1416 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-F
codeforces
1408-F
Two Different
https://codeforces.com/problemset/problem/1408/F
[ "constructive algorithms", "divide and conquer" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2811 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-E
codeforces
1408-E
Avoid Rainbow Cycles
https://codeforces.com/problemset/problem/1408/E
[ "data structures", "dsu", "graphs", "greedy", "sortings", "trees" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2277 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-D
codeforces
1408-D
Searchlights
https://codeforces.com/problemset/problem/1408/D
[ "binary search", "brute force", "data structures", "dp", "implementation", "sortings", "two pointers" ]
null
null
stdin_stdout
2,000
{ "solved_count": 4789 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-C
codeforces
1408-C
Discrete Acceleration
https://codeforces.com/problemset/problem/1408/C
[ "binary search", "dp", "implementation", "math", "two pointers" ]
null
null
stdin_stdout
1,500
{ "solved_count": 9421 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-B
codeforces
1408-B
Arrays Sum
https://codeforces.com/problemset/problem/1408/B
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,400
{ "solved_count": 10548 }
2026-11-02T05:37:07.883505+00:00
codeforces:1408-A
codeforces
1408-A
Circle Coloring
https://codeforces.com/problemset/problem/1408/A
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 12858 }
2026-11-02T05:37:07.883505+00:00
codeforces:1407-E
codeforces
1407-E
Egor in the Republic of Dagestan
https://codeforces.com/problemset/problem/1407/E
[ "constructive algorithms", "dfs and similar", "dp", "graphs", "greedy", "shortest paths" ]
null
null
stdin_stdout
2,500
{ "solved_count": 2030 }
2026-11-02T05:37:07.883505+00:00
codeforces:1407-D
codeforces
1407-D
Discrete Centrifugal Jumps
https://codeforces.com/problemset/problem/1407/D
[ "data structures", "dp", "graphs" ]
null
null
stdin_stdout
2,200
{ "solved_count": 6161 }
2026-11-02T05:37:07.883505+00:00
codeforces:1407-C
codeforces
1407-C
Chocolate Bunny
https://codeforces.com/problemset/problem/1407/C
[ "constructive algorithms", "interactive", "math", "two pointers" ]
null
null
stdin_stdout
1,600
{ "solved_count": 15692 }
2026-11-02T05:37:07.883505+00:00
codeforces:1407-B
codeforces
1407-B
Big Vova
https://codeforces.com/problemset/problem/1407/B
[ "brute force", "greedy", "math", "number theory" ]
null
null
stdin_stdout
1,300
{ "solved_count": 18317 }
2026-11-02T05:37:07.883505+00:00
codeforces:1407-A
codeforces
1407-A
Ahahahahahahahaha
https://codeforces.com/problemset/problem/1407/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21665 }
2026-11-02T05:37:07.883505+00:00
codeforces:1406-E
codeforces
1406-E
Deleting Numbers
https://codeforces.com/problemset/problem/1406/E
[ "interactive", "math", "number theory" ]
null
null
stdin_stdout
2,600
{ "solved_count": 2023 }
2026-11-02T05:37:07.883505+00:00
codeforces:1406-D
codeforces
1406-D
Three Sequences
https://codeforces.com/problemset/problem/1406/D
[ "constructive algorithms", "data structures", "greedy", "math" ]
null
null
stdin_stdout
2,200
{ "solved_count": 3897 }
2026-11-02T05:37:07.883505+00:00
codeforces:1406-C
codeforces
1406-C
Link Cut Centroids
https://codeforces.com/problemset/problem/1406/C
[ "constructive algorithms", "dfs and similar", "graphs", "trees" ]
null
null
stdin_stdout
1,700
{ "solved_count": 12399 }
2026-11-02T05:37:07.883505+00:00
codeforces:1406-B
codeforces
1406-B
Maximum Product
https://codeforces.com/problemset/problem/1406/B
[ "brute force", "dp", "greedy", "implementation", "sortings" ]
null
null
stdin_stdout
1,200
{ "solved_count": 25017 }
2026-11-02T05:37:07.883505+00:00
codeforces:1406-A
codeforces
1406-A
Subset Mex
https://codeforces.com/problemset/problem/1406/A
[ "greedy", "implementation", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 23492 }
2026-11-02T05:37:07.883505+00:00
codeforces:1405-B
codeforces
1405-B
Array Cancellation
https://codeforces.com/problemset/problem/1405/B
[ "constructive algorithms", "implementation" ]
null
null
stdin_stdout
1,000
{ "solved_count": 23551 }
2026-11-02T05:37:07.883505+00:00
codeforces:1405-A
codeforces
1405-A
Permutation Forgery
https://codeforces.com/problemset/problem/1405/A
[ "constructive algorithms" ]
null
null
stdin_stdout
800
{ "solved_count": 22023 }
2026-11-02T05:37:07.883505+00:00
codeforces:1404-E
codeforces
1404-E
Bricks
https://codeforces.com/problemset/problem/1404/E
[ "flows", "graph matchings", "graphs" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1866 }
2026-11-02T05:37:07.883505+00:00
codeforces:1404-D
codeforces
1404-D
Game of Pairs
https://codeforces.com/problemset/problem/1404/D
[ "constructive algorithms", "dfs and similar", "interactive", "math", "number theory" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1325 }
2026-11-02T05:37:07.883505+00:00
codeforces:1404-C
codeforces
1404-C
Fixed Point Removal
https://codeforces.com/problemset/problem/1404/C
[ "binary search", "constructive algorithms", "data structures", "greedy", "two pointers" ]
null
null
stdin_stdout
2,300
{ "solved_count": 3171 }
2026-11-02T05:37:07.883505+00:00
codeforces:1404-B
codeforces
1404-B
Tree Tag
https://codeforces.com/problemset/problem/1404/B
[ "dfs and similar", "dp", "games", "trees" ]
null
null
stdin_stdout
1,900
{ "solved_count": 8690 }
2026-11-02T05:37:07.883505+00:00
codeforces:1404-A
codeforces
1404-A
Balanced Bitstring
https://codeforces.com/problemset/problem/1404/A
[ "implementation", "strings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 20745 }
2026-11-02T05:37:07.883505+00:00
codeforces:1403-C
codeforces
1403-C
Chess Rush
https://codeforces.com/problemset/problem/1403/C
[ "*special", "combinatorics", "dp", "implementation", "math" ]
null
null
stdin_stdout
3,200
{ "solved_count": 95 }
2026-11-02T05:37:07.883505+00:00
codeforces:1403-B
codeforces
1403-B
Spring cleaning
https://codeforces.com/problemset/problem/1403/B
[ "*special", "data structures", "dfs and similar", "graphs", "trees" ]
null
null
stdin_stdout
2,300
{ "solved_count": 443 }
2026-11-02T05:37:07.883505+00:00
codeforces:1403-A
codeforces
1403-A
The Potion of Great Power
https://codeforces.com/problemset/problem/1403/A
[ "*special", "2-sat", "binary search", "data structures", "graphs", "interactive", "sortings", "two pointers" ]
null
null
stdin_stdout
2,400
{ "solved_count": 366 }
2026-11-02T05:37:07.883505+00:00
codeforces:1402-C
codeforces
1402-C
Star Trek
https://codeforces.com/problemset/problem/1402/C
[ "*special", "combinatorics", "dfs and similar", "dp", "games", "graphs", "matrices", "trees" ]
null
null
stdin_stdout
2,600
{ "solved_count": 273 }
2026-11-02T05:37:07.883505+00:00
codeforces:1402-B
codeforces
1402-B
Roads
https://codeforces.com/problemset/problem/1402/B
[ "*special", "geometry", "sortings" ]
null
null
stdin_stdout
2,900
{ "solved_count": 144 }
2026-11-02T05:37:07.883505+00:00
codeforces:1402-A
codeforces
1402-A
Fancy Fence
https://codeforces.com/problemset/problem/1402/A
[ "*special", "data structures", "dsu", "implementation", "math", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 1398 }
2026-11-02T05:37:07.883505+00:00
codeforces:1401-F
codeforces
1401-F
Reverse and Swap
https://codeforces.com/problemset/problem/1401/F
[ "binary search", "bitmasks", "data structures" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2039 }
2026-11-02T05:37:07.883505+00:00
codeforces:1401-E
codeforces
1401-E
Divide Square
https://codeforces.com/problemset/problem/1401/E
[ "data structures", "geometry", "implementation", "sortings" ]
null
null
stdin_stdout
2,400
{ "solved_count": 2714 }
2026-11-02T05:37:07.883505+00:00
codeforces:1401-D
codeforces
1401-D
Maximum Distributed Tree
https://codeforces.com/problemset/problem/1401/D
[ "dfs and similar", "dp", "greedy", "implementation", "math", "number theory", "sortings", "trees" ]
null
null
stdin_stdout
1,800
{ "solved_count": 11005 }
2026-11-02T05:37:07.883505+00:00
codeforces:1401-C
codeforces
1401-C
Mere Array
https://codeforces.com/problemset/problem/1401/C
[ "constructive algorithms", "math", "number theory", "sortings" ]
null
null
stdin_stdout
1,300
{ "solved_count": 27688 }
2026-11-02T05:37:07.883505+00:00
codeforces:1401-B
codeforces
1401-B
Ternary Sequence
https://codeforces.com/problemset/problem/1401/B
[ "constructive algorithms", "greedy", "math" ]
null
null
stdin_stdout
1,100
{ "solved_count": 21957 }
2026-11-02T05:37:07.883505+00:00
codeforces:1401-A
codeforces
1401-A
Distance and Axis
https://codeforces.com/problemset/problem/1401/A
[ "constructive algorithms", "math" ]
null
null
stdin_stdout
900
{ "solved_count": 28985 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-G
codeforces
1400-G
Mercenaries
https://codeforces.com/problemset/problem/1400/G
[ "bitmasks", "brute force", "combinatorics", "dp", "dsu", "math", "two pointers" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1251 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-F
codeforces
1400-F
x-prime Substrings
https://codeforces.com/problemset/problem/1400/F
[ "brute force", "dfs and similar", "dp", "string suffix structures", "strings" ]
null
null
stdin_stdout
2,800
{ "solved_count": 1324 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-E
codeforces
1400-E
Clear the Multiset
https://codeforces.com/problemset/problem/1400/E
[ "data structures", "divide and conquer", "dp", "greedy" ]
null
null
stdin_stdout
2,200
{ "solved_count": 6818 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-D
codeforces
1400-D
Zigzags
https://codeforces.com/problemset/problem/1400/D
[ "brute force", "combinatorics", "data structures", "math", "two pointers" ]
null
null
stdin_stdout
1,900
{ "solved_count": 11668 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-C
codeforces
1400-C
Binary String Reconstruction
https://codeforces.com/problemset/problem/1400/C
[ "2-sat", "brute force", "constructive algorithms", "greedy" ]
null
null
stdin_stdout
1,500
{ "solved_count": 18773 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-B
codeforces
1400-B
RPG Protagonist
https://codeforces.com/problemset/problem/1400/B
[ "brute force", "greedy", "math" ]
null
null
stdin_stdout
1,700
{ "solved_count": 11827 }
2026-11-02T05:37:07.883505+00:00
codeforces:1400-A
codeforces
1400-A
String Similarity
https://codeforces.com/problemset/problem/1400/A
[ "constructive algorithms", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 28168 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-F
codeforces
1399-F
Yet Another Segments Subset
https://codeforces.com/problemset/problem/1399/F
[ "data structures", "dp", "graphs", "sortings" ]
null
null
stdin_stdout
2,300
{ "solved_count": 1970 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-E2
codeforces
1399-E2
Weights Division (hard version)
https://codeforces.com/problemset/problem/1399/E2
[ "binary search", "dfs and similar", "greedy", "sortings", "trees", "two pointers" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2638 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-E1
codeforces
1399-E1
Weights Division (easy version)
https://codeforces.com/problemset/problem/1399/E1
[ "data structures", "dfs and similar", "greedy", "trees" ]
null
null
stdin_stdout
2,000
{ "solved_count": 6514 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-D
codeforces
1399-D
Binary String To Subsequences
https://codeforces.com/problemset/problem/1399/D
[ "constructive algorithms", "data structures", "greedy", "implementation" ]
null
null
stdin_stdout
1,500
{ "solved_count": 20277 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-C
codeforces
1399-C
Boats Competition
https://codeforces.com/problemset/problem/1399/C
[ "brute force", "greedy", "two pointers" ]
null
null
stdin_stdout
1,200
{ "solved_count": 34108 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-B
codeforces
1399-B
Gifts Fixing
https://codeforces.com/problemset/problem/1399/B
[ "greedy" ]
null
null
stdin_stdout
800
{ "solved_count": 47943 }
2026-11-02T05:37:07.883505+00:00
codeforces:1399-A
codeforces
1399-A
Remove Smallest
https://codeforces.com/problemset/problem/1399/A
[ "greedy", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 85456 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-G
codeforces
1398-G
Running Competition
https://codeforces.com/problemset/problem/1398/G
[ "bitmasks", "fft", "math", "number theory" ]
null
null
stdin_stdout
2,600
{ "solved_count": 1360 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-F
codeforces
1398-F
Controversial Rounds
https://codeforces.com/problemset/problem/1398/F
[ "binary search", "data structures", "dp", "greedy", "two pointers" ]
null
null
stdin_stdout
2,500
{ "solved_count": 1510 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-E
codeforces
1398-E
Two Types of Spells
https://codeforces.com/problemset/problem/1398/E
[ "binary search", "data structures", "greedy", "implementation", "math", "sortings" ]
null
null
stdin_stdout
2,200
{ "solved_count": 2661 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-D
codeforces
1398-D
Colored Rectangles
https://codeforces.com/problemset/problem/1398/D
[ "dp", "greedy", "sortings" ]
null
null
stdin_stdout
1,800
{ "solved_count": 12922 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-C
codeforces
1398-C
Good Subarrays
https://codeforces.com/problemset/problem/1398/C
[ "data structures", "dp", "math" ]
null
null
stdin_stdout
1,600
{ "solved_count": 41057 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-B
codeforces
1398-B
Substring Removal Game
https://codeforces.com/problemset/problem/1398/B
[ "games", "greedy", "sortings" ]
null
null
stdin_stdout
800
{ "solved_count": 26320 }
2026-11-02T05:37:07.883505+00:00
codeforces:1398-A
codeforces
1398-A
Bad Triangle
https://codeforces.com/problemset/problem/1398/A
[ "geometry", "math" ]
null
null
stdin_stdout
800
{ "solved_count": 29162 }
2026-11-02T05:37:07.883505+00:00
codeforces:1397-B
codeforces
1397-B
Power Sequence
https://codeforces.com/problemset/problem/1397/B
[ "brute force", "math", "number theory", "sortings" ]
null
null
stdin_stdout
1,500
{ "solved_count": 15645 }
2026-11-02T05:37:07.883505+00:00
codeforces:1397-A
codeforces
1397-A
Juggling Letters
https://codeforces.com/problemset/problem/1397/A
[ "greedy", "strings" ]
null
null
stdin_stdout
800
{ "solved_count": 30212 }
2026-11-02T05:37:07.883505+00:00
codeforces:1396-E
codeforces
1396-E
Distance Matching
https://codeforces.com/problemset/problem/1396/E
[ "constructive algorithms", "dfs and similar", "trees" ]
null
null
stdin_stdout
3,200
{ "solved_count": 450 }
2026-11-02T05:37:07.883505+00:00
codeforces:1396-D
codeforces
1396-D
Rainbow Rectangles
https://codeforces.com/problemset/problem/1396/D
[ "data structures", "sortings", "two pointers" ]
null
null
stdin_stdout
3,300
{ "solved_count": 355 }
2026-11-02T05:37:07.883505+00:00
codeforces:1396-C
codeforces
1396-C
Monster Invaders
https://codeforces.com/problemset/problem/1396/C
[ "dp", "greedy", "implementation" ]
null
null
stdin_stdout
2,300
{ "solved_count": 2880 }
2026-11-02T05:37:07.883505+00:00
codeforces:1396-B
codeforces
1396-B
Stoned Game
https://codeforces.com/problemset/problem/1396/B
[ "brute force", "constructive algorithms", "games", "greedy" ]
null
null
stdin_stdout
1,800
{ "solved_count": 13532 }
2026-11-02T05:37:07.883505+00:00
codeforces:1396-A
codeforces
1396-A
Multiples of Length
https://codeforces.com/problemset/problem/1396/A
[ "constructive algorithms", "greedy", "number theory" ]
null
null
stdin_stdout
1,600
{ "solved_count": 16987 }
2026-11-02T05:37:07.883505+00:00
codeforces:1395-C
codeforces
1395-C
Boboniu and Bit Operations
https://codeforces.com/problemset/problem/1395/C
[ "bitmasks", "brute force", "dp", "greedy" ]
null
null
stdin_stdout
1,600
{ "solved_count": 15571 }
2026-11-02T05:37:07.883505+00:00