Given a list of random numbers, compute the sum of these numbers. You may not use a for-loop to solve this problem. Starter Code: #include #include #include #include #include #include static int getRandomNumber(); template std::ostream& operator<<(std::ostream& out, std::vector list) { out << "["; } int main() { } for (const auto& val: list) { out << val << ", "; } out << "]"; return out; } std::vector list; std::generate_n(std::back_inserter (list), 20, []() { return getRandomNumber(); }); std::cout << list << "\n"; // TODO: compute the sum of the numbers in the list and print it out // NOTE: no for Loops, use algorithms static int getRandomNumber() { static std::mt19937 rng{ std::random_device{}() }; static std::uniform_int_distribution rand{ 0, 100 }; return rand(rng); Sample Output: [10, 1, 93, 97, 30, 60, 97, 65, 55, 99, 52, 5, 76, 85, 25, 49, 49, 37, 22, 8, 1 1015

Given a list of random numbers, compute the sum of these numbers. You may not use a for-loop to solve this problem. Starter Code: #include #include #include #include #include #include static int getRandomNumber(); template std::ostream& operator<<(std::ostream& out, std::vector list) { out << "["; } int main() { } for (const auto& val: list) { out << val << ", "; } out << "]"; return out; } std::vector list; std::generate_n(std::back_inserter (list), 20, []() { return getRandomNumber(); }); std::cout << list << "\n"; // TODO: compute the sum of the numbers in the list and print it out // NOTE: no for Loops, use algorithms static int getRandomNumber() { static std::mt19937 rng{ std::random_device{}() }; static std::uniform_int_distribution rand{ 0, 100 }; return rand(rng); Sample Output: [10, 1, 93, 97, 30, 60, 97, 65, 55, 99, 52, 5, 76, 85, 25, 49, 49, 37, 22, 8, 1 1015

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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C++ Programming: How would you write a function that takes a filename and an array of struct time, opens a file, reads each line in the file as the number of days, converts this to a struct time and stores this is in an array? Here is my code so far (p.s. the function i need help with is called void readData): #include<iostream>#include<string>#include<fstream>#include<cstdlib>#include<vector> using namespace std; struct time{// private:int years, months, days;//public: time(){}time(int days){}}; time getYearsMonthsDays(int days){time x;x.years = days/450;days = days%450;x.months = days/30;x.days = days%30;return x;} int getTotalDays(time x){int totalDays;totalDays = x.years*450 + x.months*30 + x.days;return totalDays;} void openofile(string ofilename,ofstream &fout){fout.open(ofilename.c_str());if(!fout){cout << "Error opening output file..." << endl;exit(1);}} void openifile(string ifilename,ifstream…