C++ 扫描识别数字串纠错程序

#include <iostream>
#include <string>

int main() {
    std::string input;
    std::cin >> input;

    for (int i = 0; i < input.length(); i++) {
        if (input[i] == 'O') {
            input[i] = '0';
        } else if (input[i] == 'l') {
            input[i] = '1';
        } else if (input[i] == 'Z') {
            input[i] = '2';
        } else if (input[i] == 'S') {
            input[i] = '5';
        } else if (input[i] == 'b') {
            input[i] = '6';
        } else if (input[i] == 'B') {
            input[i] = '8';
        } else if (input[i] == 'q') {
            input[i] = '9';
        }
    }

    std::cout << input << std::endl;

    return 0;
}