Seven Kingdoms!The dragon queen just conquered the Seven Kingdoms. Initially there are N cities in “Seven Kingdoms”...

Village Fair 2There are N houses in a village far away from here. They are numbered from 1 to N. For this problem ...

Color The GraphYou are given an acyclic, bidirectional graph with N nodes and M edges. The nodes are numbered from ...

Directed RectangleSami has just finished his assignments, to relax, he wants to play games. Since he’s banned from PUB...

Spanning TreeThere are N nodes in a tree. You can start from any node of that tree and you have to come back to t...

Keep MovingBalurmath is a city which has N interesting tourist spots, which are connected between themselves by... 
ExplosionThere is a house named Larcana. It is a very weird house .There are exactly N rooms in total and bet...

Meena Meets The MaraudersDecember 14, 1975 Hogwarts School of Witchcraft and Wizardry It’s been a long long day. The Marauder...

Wakanda ForeverWe all know that Thanos has erased half of the population of the universe. Earth’s population was al...

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

Flow on TreeMr. Kaboom has recently learned about maximum flow. Now his friend Mr. Taboom gave him this problem....

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

Bad XOR 2 (Hard)So after successfully becoming many people’s nightmare, XOR has struck again, this time to haunt you...

Act of Random Kindness (Hard)Sammy and Meera liked adventures a lot. Once in a while they used to set out adventures. This time t...

Sofdor Ali's Black and White TreeSofdor Ali loves Computer Science. He prefers hexadecimal number system to decimals, just because it...

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

Flyover in TwinlandRio has become the president of Twinland. Now he wants to develop his country to fulfill his promise...

Ghosh vs DattaAbout two hundred years ago, a serious dispute evoked between the two neighboring colonies of Khulna...

Darth Vader and 3PO on a Tree!Did you watch Star Wars yet? No? You should in your free time. Now back to Darth Vader and 3PO. Dart... 
Circuit BreakerIn your free time, you like to design various electrical circuits to give a hard time to your local ...
