题解 | #定义变量#

#include <iostream>
using namespace std;

int main() {

    char a = '\0';
    int b = 0;
    long c  = 11;
    double d = 1.1;

    cout<<sizeof(a)<<endl;
    cout<<sizeof(b)<<endl;
    cout<<sizeof(c)<<endl;
    cout<<sizeof(d)<<endl;
    
    

    return 0;
}