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 | |
|---|---|---|---|---|
| Sum of an Array | Easy | 0 | — | |
| Minimum and Maximum | Easy | 0 | — | |
| Reverse an Array | Easy | 0 | — | |
| Rotate Right by K | Easy | 0 | — | |
| Move Zeros to the End | Easy | 0 | — | |
| Remove Duplicates | Easy | 0 | — | |
| Second Largest | Easy | 0 | — | |
| Two Sum | Easy | 0 | — | |
| Maximum Subarray Sum | Medium | 0 | — | |
| Range Sum Queries | Medium | 0 | — | |
| Find the Missing Number | Easy | 0 | — | |
| Majority Element | Medium | 0 | — | |
| Merge Two Sorted Arrays | Easy | 0 | — | |
| Leaders in an Array | Easy | 0 | — | |
| Product of Array Except Self | Medium | 0 | — | |
| Best Time to Buy and Sell | Easy | 0 | — | |
| Pairs with Difference K | Medium | 0 | — | |
| Spiral Order | Medium | 0 | — | |
| Transpose a Matrix | Easy | 0 | — | |
| Matrix Multiplication | Medium | 0 | — | |
| Subarrays with Sum K | Hard | 0 | — | |
| Container With Most Water | Medium | 0 | — | |
| Trapping Rain Water | Hard | 0 | — | |
| Next Greater Element | Medium | 0 | — |