HJ5 进制转换
#include <iostream>
using namespace std;
int main() {
string tmpStr;
int result = 0;
cin>>tmpStr;
for(int i=2 ; i <tmpStr.size() ;i++)
{
int tmp = 0;
if(tmpStr[i] >= '0' && tmpStr[i] <= '9' ) tmp = tmpStr[i] - '0';
else tmp = tmpStr[i] - 'A' + 10;
result = result *16 + tmp;
}
cout<<result;
}
// 64 位输出请用 printf("%lld")