Session upsolve STL (vector , pair , stack , queue , deque, struct) Phase1 ICPC Monofia 2024

problem A: https://ideone.com/U7yAVm problem H: https://ideone.com/UXAPtG problem L: https://ideone.com/51uOW0 problem M: https://ideone.com/n5PJMV problem Q :https://ideone.com/AkeI2s