DFS Problems

COVID-19 outbreak in Atlantis is so bad that the government is forced to lock down the whole country...

• By Peregrine_Falcon
• BFS, DFS
• Moderate
• 91/113 Solutions
• 289 Submissions

Shin wants to be the “Great General of the Heaven”. It is his dream. But becoming a “Great General o...

• BridgeTree, DFS, DisjointSets, Graph, LCA
• 12/13 Solutions
• 52 Submissions
• uDebug

So after successfully becoming many people's nightmare, XOR has struck again, this time to haunt...

• By nfssdq
• DFS, Graph
• 8/19 Solutions
• 63 Submissions
• uDebug

Sofdor Ali loves Computer Science. He prefers hexadecimal number system to decimals, just because it...

• By TarifEzaz
• DFS, Graph
• Easy
• 53/63 Solutions
• 150 Submissions
• uDebug

Kingdom CODE is the most peaceful place in the universe. King NOVOSH and Queen ALMIDA is ruling this...

• DFS, Graph, ShortestPath
• 3/3 Solutions
• 13 Submissions
• uDebug

Did you watch Star Wars yet? No? You should in your free time. Now back to Darth Vader and 3PO. Dart...

• By himuhasib
• BFS, DFS, Graph, Greedy, Sorting
• 28/38 Solutions
• 89 Submissions
• uDebug

Balurmath is a city which has N interesting tourist spots, which are connected between themselves by...

• By sn23581
• DFS, Game, Graph
• Moderate
• 135/218 Solutions
• 742 Submissions
• uDebug

There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...

• By nfssdq
• DFS, DataStructure, Graph
• 20/39 Solutions
• 248 Submissions
• uDebug

In your free time, you like to design various electrical circuits to give a hard time to your local ...

• By d1xlord
• DFS, Graph
• Moderate
• 77/114 Solutions
• 369 Submissions
• uDebug

In Ajobdesh, there are multiple cities and one of them is considered as the capital city. Obviously,...

• By biqarboy
• DFS, Graph, ShortestPath
• Moderate
• 172/231 Solutions
• 635 Submissions
• uDebug

There is a deadly war going on between two countries (Bitland and Byteland) in the wizarding world. ...

• DFS, Flow, Graph
• 16/22 Solutions
• 154 Submissions
• uDebug

Alice and Bob are playing a game with a tree with n nodes. Alice always plays first, and the two pla...

• By nfssdq
• DFS, Game, Graph
• Moderate
• 82/117 Solutions
• 318 Submissions
• uDebug

The city of gridland is a grid with n rows and m columns. The city can be divided into n*m cells. A ...

• DFS, Graph
• Moderate
• 47/61 Solutions
• 241 Submissions
• uDebug

Herobrine's horror stories are known by many, but only a few dares to speak that name out loud, ...

• By hjr265
• BFS, DFS
• 12/15 Solutions
• 31 Submissions
• uDebug

Techboy is appointed as the minister of roads and highway in his country Better-Not-Name-It. Now he ...

• By hasan169
• DFS, Graph, Greedy
• 40/48 Solutions
• 130 Submissions
• uDebug

Dr. Sheldon Cooper is working on a project that works on the 2D concept of the universe. In this pro...

• By RasheedAbid
• DFS, Graph
• 24/34 Solutions
• 83 Submissions
• uDebug

After Max and Alexis's initial plan to conquer the world with kitten armies failed, they started...

• By Tanzir5
• DFS, Graph
• 6/13 Solutions
• 49 Submissions
• uDebug

Recently flood has vastly affected some regions of the country. So many people are helpless and suff...

• By darkprinx
• DFS
• 34/45 Solutions
• 164 Submissions
• uDebug

Tahsin loves graph theory very much. He is specialy fond of trees. For his upcoming birthday his fri...

• By CLown1331
• DFS
• Moderate
• 59/69 Solutions
• 219 Submissions
• uDebug

Zico is a fan of Artificial Intelligence(AI). So he is doing a course on AI and even likes the teach...

• By SilentG, ishtupeed
• DFS
• 22/32 Solutions
• 190 Submissions
• uDebug