题解 | 进制转换
进制转换
https://www.nowcoder.com/practice/8f3df50d2b9043208c5eed283d1d4da6
#include <bits/stdc++.h>
using namespace std;
int main() {
string a;
cin >> a;
int ans = 0;
for(int i = 2; i < a.size(); i ++ ){
int n = a[i] >= 'A' ? a[i] - 'A' + 10 : a[i] - '0';
ans = ans * 16 + n;
}
cout << ans << "\n";
}
