4 Floor and Ceil 🟢 Easy Binary Search, Array 5 First and Last Position 🟡 Medium Binary Search, Array 6 Count Occurrences 🟡 Medium Binary Search, Array 7 Search Insert Position 🟢 Easy Binary Search ...

1 Arrays & Strings Sliding Window Maintain a moving window (subarray/substring) for sum/unique chars problems. LC 53: Max Subarray, LC 3: Longest Substring Without Repeating Chars, LC 76: Minimum ...

Russian President Vladimir Putin, North Korean leader Kim Jong-un, and Iranian President Ebrahim Raisi are expected to travel to China for the 80th anniversary of its victory over Japan. On Wednesday, ...

In addition to the main battle tank, the PLA will also employ a support vehicle—also designated the Type 100—that will be armed with lighter weapons with a higher rate of fire. On Wednesday, China ...

The Shah of Iran once asked Elizabeth II whether she’d had more audiences with Conservative or Labour prime ministers during her reign so far. “I had to say to him,” she later told Sir Malcolm Rifkind ...

Microsoft and our third-party vendors use cookies to store and access information such as unique IDs to deliver, maintain and improve our services and ads. If you agree, MSN and Microsoft Bing will ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. We list the best UK job sites, to make it simple and easy to seek job openings and explore your ...

August: The Russians and the Germans sign a non-aggression pact. Adolf Hitler and Joseph Stalin agree not to invade each other's borders. The two leaders secretly plan to divide Poland and other parts ...