题解 | #定义变量#

#include <iostream>
using namespace std;

int main() {

    // write your code here......
    char c;
    cout<<sizeof(c)<<endl;
    int i;
    cout<<sizeof(i)<<endl;
    long l;
    cout<<sizeof(l)<<endl;
    double d;
    cout<<sizeof(d)<<endl;
    return 0;
}