求助50分

fw999999999999 @ 2024-12-01 11:42:14

#include<iostream>
#include<string>
using namespace std;
int main()
{
    char ISBN[14];
    char a;
    cin >> ISBN;
    int k = 1;
    int sum = 0;
    for (int i = 0; i < 11; i++)
    {
        if (ISBN[i]!='-')
        {
            sum += k * (ISBN[i] - '0');
            k++;
        }
    }
    char c = sum % 11+'0';
    if (c == '10')
    {
        c = 'X';
    }
    if (ISBN[12] == c)
    {
        cout << "Right" << endl;
    }
    else
    {
        ISBN[12] = c;
        cout << ISBN << endl;
    }
    return 0;
}

by nemo121018 @ 2024-12-01 20:15:55

@fw999999999999

#include<iostream>
#include<string>
using namespace std;
int main()
{
    char ISBN[14];
    char a;
    cin >> ISBN;
    int k = 1;
    int sum = 0;
    for (int i = 0; i < 12; i++)
    {
        if (ISBN[i]!='-')
        {
            sum += k * (ISBN[i] - '0');
            k++;
        }
    }
    int c = sum % 11;
    if (ISBN[12]=='X'&&c == 10)
    {
        cout << "Right" << endl;
        return 0;
    }
    if ((ISBN[12]-'0') == c)
    {
        cout << "Right" << endl;
        return 0;
    }
    else
    {
        for(int i=0;i<12;i++)
        {
            cout<<ISBN[i];
        }
        if(c==10)
        {
            cout<<"X";
        }
        else
        {
            cout<<c;
        }
    }
    return 0;
}

by nemo121018 @ 2024-12-01 20:44:12

可以这样试试看