Richie Li questions

• extern keyword "missing type specifier"
• When does a std::priority_queue<> sort itself?
• Are these 2 knapsack algorithms the same? (Do they always output the same thing)
• What is an algorithm to split a group of items into 3 separate groups fairly?
• .vssettings file (Visual Studio Settings) Color Format
• Detecting if angle is more than 180 degrees

Richie Li answers