题解 | #定义变量#

#include <iostream>
using namespace std;

int main() {

    // write your code here......
    char a;
    int b;
    long c;
    double d;

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

    return 0;
}