Coders for Life
Solve. Score. Show it off.
Original problems in C, C++, Python and Java — from your first loop to graphs and dynamic programming. Every first solve earns points toward UPEEC goodies, and your stats card goes straight onto your GitHub profile.
80
Easy
56
Medium
18
Hard
#math#strings#arrays#basics#dynamic-programming#engineering#hashing#sorting#graphs#electronics#conditionals#loops#binary-search#matrix#bit-manipulation#two-pointers#stack#greedy#searching#recursion#bfs#primes#backtracking#dfs
| Problem | Level | Solved by | Success rate | |
|---|---|---|---|---|
| Anagram Check | Easy | 0 | — | |
| First Non-Repeating Character | Easy | 0 | — | |
| Most Frequent Character | Easy | 0 | — | |
| Longest Substring Without Repeats | Medium | 0 | — | |
| Pangram | Easy | 0 | — | |
| Anagram Groups | Medium | 0 | — | |
| Isomorphic Strings | Medium | 0 | — | |
| Distinct Substrings | Medium | 0 | — | |
| Remove Duplicates | Easy | 0 | — | |
| Two Sum | Easy | 0 | — | |
| Majority Element | Medium | 0 | — | |
| Pairs with Difference K | Medium | 0 | — | |
| Subarrays with Sum K | Hard | 0 | — |