题解 | #定义变量#

using namespace std;

int main() {
    char ch;
    int now;
    long test;
    double doo;
    printf("%d\n%d\n%d\n%d\n",sizeof(ch),
           //sizeof->c++中计算变量所占内存大小的函数
           sizeof(now),
           sizeof(test),sizeof(doo));
    // write your code here......
    

    return 0;
}