题解 | 进制转换
进制转换
https://www.nowcoder.com/practice/deb19498bc644f53a6a99905ef5ee01d
#include <iostream>
#include <string>
using namespace std;
long long CharToLong(char x){
if(x>='0'&&x<='9') return x-'0';
else return x-'A'+10;
}
int main() {
string a;
while(cin>>a){
long long sum=0;
for(int i=2;i<a.size();i++){
sum = sum*16 + CharToLong(a[i]);
}
cout<<sum<<endl;
}
return 0;
}
