Cycle detection in directed graphs, topological sort, Kahn’s algorithm. These are the ones that feel simple until you’re implementing them and something quietly goes wrong. Same idea as BFS: try to ...

Petrol bunks across districts witnessed long queues on Sunday (April 26, 2026) due to fears of a shortage, forcing management at a few bunks to shut operations. To avoid tension, bunk owners imposed a ...

HYDERABAD: Panic buying of fuel continued for a second consecutive day, with long queues at petrol bunks causing traffic gridlocks across several areas. Some outlets were forced to shut overnight ...

Hyderabad: For the second time in as many months, rumours of fuel shortage triggered panic buying across the city on Monday, leading to long queues, traffic congestion and tense scenes at several ...

Portugal and Italy do not plan on exempting British nationals from Europe's new fingerprinting and facial scanning checks, the European Commission has confirmed. Recent reports had suggested the two ...

Holidaymakers in France are the latest to experience passport check delays – with some passengers who have missed flights blaming tech issues and staff shortages. Dozens of passengers stormed the ...

For the first half of the twentieth century, Sudan was a joint protectorate of Egypt and the United Kingdom, known as the Anglo-Egyptian Condominium. Egypt and the United Kingdom signed a treaty ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...