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Computer Physical Database Design Difficulty: Medium

What will be the output of the following Python code? import functools l=[1,2,3,4] print(functools.reduce(lambda x,y:x*y,l)) What will be the output of the following C++ code? #include<iostream> using namespace std; class Base { public: Base() { cout<<"Constructing Base \n"; } ~Base() { cout<<"Destructing Base \n"; } }; class Derived: public Base { public: Derived() { cout<<"Constructing Derived \n"; } ~Derived() { cout<<"Destructing Derived \n"; } }; int main(void) { Derived *d = new Derived(); Base *b = d; delete b; return 0; } Find the length of the longest increasing subsequence for the given sequence: {-10, 24, -9, 35, -21, 55, -41, 76, 84} What will be the output of the following C++ code? #include <iostream> #include <functional> #include <numeric> using namespace std; int myaccumulator (int x, int y) { return x - y; } int myproduct (int x, int y) { return x + y; } int main () { int a = 100; int series1[] = {10, 20, 30}; int series2[] = {1, 2, 3}; cout << inner_product(series1, series1 + 3, series2, a ,myaccumulator, myproduct); cout << endl; return 0; } Which of these is faster when accessing data? memory, disk