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#include<iostream>
using namespace std;
int main()
{
int s=0;
char a[10];
cin>>a;
for(int i=0;i<strlen(a);i++)//循环
{
if(a[i]<='9') s=s+(a[strlen(a)-i-1]-'0')*pow(n,i);
else if((a[i]<='z')&&(a[i]>='a')) s=s+(a[strlen(a)-i-1]-'a'+10)*pow(n,i);
else if((a[i]<='Z')&&(a[i]>='A')) s=s+(a[strlen(a)-i-1]-'A'+10)*pow(n,i);
}
cout<<s;
} |
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