C++ Program to find the size of Int, Float, Char, and Double

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In this program, You will learn how to find the size of Int, Float, Char, and Double Data Types in C++.

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int Size:4

float Size:4

char Size:1

double Size:8

Example: How to find the size of Int, Float, Char, and Double Data Types in C++.

#include<iostream>
using namespace std;

int main() {

    int a, b, c, d;

    a = sizeof (int);
    b = sizeof (float);
    c = sizeof (char);
    d = sizeof (double);

    cout << "Size of int:" << a << endl;
    cout << "size of float:" << b << endl;
    cout << "size of char:" << c << endl;
    cout << "size of double:" << d << endl;

    return 0;
}

Output:

Size of int:4
size of float:4
size of char:1
size of double:8