define in cpp
#include <iostream>
// macro definition
#define LIMIT 5
int main()
{
for (int i = 0; i < LIMIT; i++) {
std::cout << i << "\n";
}
return 0;
}define in cpp
#include <iostream>
// macro definition
#define LIMIT 5
int main()
{
for (int i = 0; i < LIMIT; i++) {
std::cout << i << "\n";
}
return 0;
}define c++
#define SPEED ios::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define ar array
#define ll long long
#define pb push_back#define in cpp
// The #define preprocessor directive creates symbolic constants
#include <iostream>
using namespace std;
#define CONSTANT 2.71828
int main () {
cout << "Declared constant: " << CONSTANT << endl;
return 0;
}c++ what is #define
// #define is a macro that lets you use an alias name to
// make code more readable. During C++'s preproccessing stage, your macro
// will be replaced with the suitable code needed for proper compiling.
#include <iostream>
// used to define constants, types, functions and more....
#define SIZE 5
#define MacroInt int
#define getmax(a,b) ((a)>(b)?(a):(b))
int main(){
MacroInt myIntAsMacro = 7;
std::cout<< getmax(SIZE, myIntAsMacro); // will return 7
}Copyright © 2021 Codeinu
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