Category : function

How can I get one class to run another class’ function and vice versa C++? Example: main.h (Updated/edited) #ifndef MAIN_H #define MAIN_H #include <iostream> #include "test.h" class firstClass { public: void runMe(); }; extern firstClass first; #endif main.cpp (Updated/edited) #include "main.h" firstClass first; secondClass second; void firstClass::runMe() { std::cout << "I’m in firstClassn"; } int ..

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I came with a problem, and during the solution I got the following function: bool interesting(int n){ for(int i = 1; i <= n; i++){ if(sum(n+1, 0) < sum(n, 0) return true; } } This is, given a number n to verify if the sum(n+1,0) of the next number is smaller than the previous. However ..

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Is there any difference in execution speed between stray C-style functions inside a C++ program and functions of a C program? Given that those functions contain exactly the same piece of code. foo.c void run_foo(void) { foo(); } foo.cpp void run_foo(void) { foo(); } Source: Windows Que..

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I’ve overloaded my function contains three times // returns true if char c is contained in unordered map um bool contains(std::unordered_map<char, op>& um, char c){ return um.find(c) != um.end(); } // returns true if string s is contained in unordered map um bool contains(std::unordered_map<char, op>& um, std::string& s){ return s.length() == 1 && contains(um, s[0]); ..

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