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1050: 贝贝的ISBN号码(isbn)

#include <iostream>#include <iomanip>#include <cstdlib>#include <string>using namespace std;int main(){    string s;    cin>>s;    //0-970-82162-4    int m = ((int)s[0] -48) * 1;        m += ((int)s[2] - 48) * 2;    m += ((int)s[3] -48) * 3;    m += ((int)s[4] -48) * 4;        m += ((int)s[6] -48) * 5;    m += ((int)s[7] -48) * 6;    m += ((int)s[8] -48) * 7;    m += ((int)s[9] -48) * 8;    m += ((int)s[10] -48) * 9;        int n = m % 11;     int t = (int)s[12] -48;    if(s[12] == X)        t = 10;    if(n == t)        cout<<"Right";    else    {        if(n != 10)            s[12] = n + 48;        else            s[12] = X;        cout<<s;    }    //    cout<<setiosflags(ios::fixed)<<setprecision(4)<<s<<endl;//    cout<< setiosflags(ios::fixed)<<setprecision(4) <<c<<endl; }

 

1050: 贝贝的ISBN号码(isbn)