Constructive algorithm
38 problems to practice.
Sequence Transformation
https://codeforces.com/problemset/problem/1059/C
Alyona And Mex
<a href="https://codeforces.com/contest/739/problem/A">https://codeforces.com/contest/739/prob...
Marina And Vasya
<a href="https://codeforces.com/problemset/problem/584/C">https://codeforces.com/problemset/pr...
Messy
<a href="https://codeforces.com/problemset/problem/1227/C">https://codeforces.com/problemset/p...
Cows And Sequences
https://codeforces.com/problemset/problem/283/A
Anya And Smartphone
https://codeforces.com/problemset/problem/518/C
Plasticine Zebra
<a href="https://codeforces.com/problemset/problem/1025/C">https://codeforces.com/problemset/p...
Bits
https://codeforces.com/problemset/problem/484/A
Heap Operations
https://codeforces.com/problemset/problem/681/C
Slava And Tanks
https://codeforces.com/problemset/problem/877/C
Polyline
https://codeforces.com/problemset/problem/617/D
From Y To Y
https://codeforces.com/problemset/problem/848/A
Maximum Sum Of Products
https://codeforces.com/contest/1519/problem/D
Palindromic Matrix
https://codeforces.com/problemset/problem/1118/C
Crazy Diamond
https://codeforces.com/problemset/problem/1148/C
Reading Books
https://codeforces.com/contest/1374/problem/E1
Another Problem About Dividing Numbers
https://codeforces.com/contest/1538/problem/D
Grid-00100
https://codeforces.com/problemset/problem/1371/D
Ehab And Prefix Mexs
https://codeforces.com/problemset/problem/1364/C
Even Picture
https://codeforces.com/problemset/problem/1368/C
Natsya Is Transposing Matrix
https://codeforces.com/problemset/problem/1136/C
Swap Letters
https://codeforces.com/problemset/problem/1215/C
Long Beautiful Integer
https://codeforces.com/problemset/problem/1269/C
Balance The Bits
https://codeforces.com/problemset/problem/1503/A
Fence Painting
https://codeforces.com/problemset/problem/1481/C
Tennis Championship
https://codeforces.com/problemset/problem/735/C
Basic Diplomacy
https://codeforces.com/problemset/problem/1482/C
Yet Another Array Partitioning Task
https://codeforces.com/problemset/problem/1114/B
New Year Book Reading
https://codeforces.com/problemset/problem/500/C
Bicolored Rbs
https://codeforces.com/contest/1167/problem/D
Hometask
https://codeforces.com/problemset/problem/214/B
Codeforces Subsequence
https://codeforces.com/problemset/problem/1368/B
Omkar And Baseball
https://codeforces.com/problemset/problem/1372/C
Beautiful Set Of Points
https://codeforces.com/problemset/problem/268/C
Knight Tournament
https://codeforces.com/contest/357/problem/C
Balls And Boxes
https://codeforces.com/problemset/problem/260/C
Bulls And Cows
https://codeforces.com/contest/63/problem/C
Kefa And Company
https://codeforces.com/problemset/problem/580/B