- UVA 11804 - Argentina
- POJ 1979 - Red and Black
- UVA 1098 - Robots on Ice
- 476B - Dreamoon and Wifi
- ?O - The number of paths in grid
- CSES - Dice Combinations
- CSES - Minimizing Coins
- CSES - Coin Combinations I
- CSES - Coin Combinations II
- CSES - Removing Digits
- CSES - Grid Paths
- CSES - Book Shop
- CSES - Array Description TO DO
- CSES - Counting Towers
- CSES - Edit Distance
- CSES - Rectangle Cutting
- CSES - Money Sum
- CSES - Removal Game
- CSES - Two Sets II
- CSES - Increasing Subsequence
- CSES - Projects
- CSES - Counting Tilings TO DO
- CSES - Counting Numbers TO DO
- POJ 2793 - Sum of Consecutive Prime Numbers
- UVA 147 - Dollars
- POJ 2262 - Goldbach's Conjeture
- POJ 2249 - Binomial Showdown
- POJ 1306 - Combinations
- UVA 10306 - E-Coins
- UVA 11790 - Murcia's Skyline
- UVA 10819 - Trouble of 13 Dots
- 1695C - Zero Path
- SPOJ BORW
- UVA 11951 - Area
- UVA 10755 - Garbage Heap
- CSES - Elevator Rides TOP 2 VJUDGE XD
- UVA 1252 - Twenty Questions
- UVA 11284 - Shopping Trip
- UVA 1096 - The Islands TERMINAR
- UVA 1231 - ACORN
- POJ 1852 - Ants
- POJ 2537 - Bridges
- POJ 1298 - The Hardest Problem Ever
- POJ 1230 - Pass-Muraille
- POJ 1328 - Radar Installation
- POJ 2661 - Facstone Benchmark
- UVA 11369 - Shopaholic
- CSES - Distinct Numbers
- CSES - Appartments
- CSES - Ferris Wheel
- CSES - Concert Tickets
- CSES - Restaurant Customers
- 1342A - Road to Zero
- 1415A - Prison Break
- 1140A - Detective Book
- UVA 12321 - Gas Stations
- UVA 13082 - High School Assembly
- UVA 11240 - Antimonotonicity
- UVA 291 - The House of Santa Clauss
- UVA 10765 - Doves and Bombs
- POJ 1270 - Following Orders
- CSES - Building Roads DFS connecting componentes
- CSES - Building Teams DFS finding cycles
- CSES - Counting Rooms DFS connected componentes
- CSES - Round Trip DFS building a cycle
- CSES - Round Trip II DFS building a cycle
- CSES - Course Schedule DFS topological sort
- CSES - Longest Flight Route DFS longest path in topological order
- CSES - Planet Cycles DFS counting steps to cycle
- CSES - Flight Routes Check Strong components
- CSES - Planets and Kingdoms Strong components
- 1000E - We Need More Bosses Longest path in bridges on a graph
- SPOJ BUGLIFE
- SPOJ CONGRAPH
- SPOJ DISGRAPH
- SPOJ GRAFFDEFF
- No me acuerdo el nombre pero es de bipartitos
- UVA 610 - Street Directions
- UVA 1108 - Mining Your Own Business
- UVA 1263 - Mines
- UVA 1229 - Sub-dictionary
- CSES - Planet Queries II
- UVA 12160 - Unlock the lock
- CSES - Labyrinth BFS building the shortest path
- CSES - Message Route BFS shortest path
- SPOJ COCONUTS
- UVA 572 - Oil deposit
- UVA 1235 - Anti Brute Force Lock
- UVA 1234 - Racing
- CSES - Road Reparation Kruskal
- CSES - Road Construction DSU
- 1245D - Shichikuji and Power Grid MST with virtual node
- SPOJ TRAFFICN
- 160D - Edges in MST
- UVA 11228 - Transportation System
- POJ 2253 - Frogger
- POJ 2240 - Arbitrage
- UVA 13211 - Geonosis
- UVA 10801 - Lift Hopping TERMINAR
- CSES - Shortest Routes I Dijkstra
- CSES - Shortest Routes II Floyd-Warshall
- CSES - High Score Bellman Ford
- CSES - Flight Discount Dijkstra
- CSES - Cycle Finding Bellman Ford building a negative cycle
- CSES - Flight Routes TO DO
- CSES - Game Routes DP in a DAG
- CSES - Investigation Dijkstra with modification
- CSES - Coin Collector DP in condensed strong components
- UVA 558 - Wormholes
- UVA 12144 - Almost Shortest Path
- UVA 949 - Getaway
- UVA 11045 - My T-shirt suits me
- UVA 11380 - Down Went The Titanic TERMINAR
- CSES - Download Speed Max flow
- CSES - Police Chase Minimum cut
- CSES - School Dance Matching
- CSES - Distinct Routes Unsolved Longest disjoint paths
- UVA 563 - Crimewave
- UVA 10092 - The Problem with the Problem Setter
- CSES - Planet Queries I Binary jumping in rho's graph
- CSES - Giant Pizza Unsolved 2-SAT
- CSES - Mail Delivery Eulerian cycle
- CSES - De Brujin Sequence Eulerian circuit
- CSES - Teleporter Path Eulerian path
- CSES - Hamilitonian Flights Amount of Hamiltonian paths with bitmasking
- UVA 12745 - Wishmaster
- CSES - Static Range Sum Queries
- CSES - Static Range Minimum Queries
- CSES - Dynamic Range Sum Queries
- CSES - Dynamic Range Min QUeries
- SPOJ AGGRESSIVE_COWS
- 476B - Worms
- 782B - Meeting
- UVA 12965 - Angry Bids
- UVA 11935 - Through the Desert
- UVA 10567 - Helping Fill Bates
- UVA 12524 - Arranging Heaps