题解 | #进制转换#

#include <iostream>
#include <string>
using namespace std;

int main() {
    /*
    string str_s;
    while (cin >> str_s){
        cout << stoi(str_s, 0, 16) <<endl;
    }
    */

    int i_num = 0;
    while (cin >> hex >> i_num){
        cout << i_num << endl;
    }

}
// 64 位输出请用 printf("%lld")