Verhoeff algorithm: Difference between revisions

#include <iostream>

#include <string>

 

typedef std::pair<std::string, bool> data;

 

{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },

{ 1, 2, 3, 4, 0, 6, 7, 8, 9, 5 },

{ 8, 7, 6, 5, 9, 3, 2, 1, 0, 4 },

{ 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }

 

 

{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 },

{ 1, 5, 7, 6, 2, 8, 3, 0, 9, 4 },

{ 2, 7, 9, 3, 8, 0, 6, 4, 1, 5 },

{ 7, 0, 4, 6, 9, 1, 3, 2, 5, 8 }

 

if ( doDisplay ) {

std::string calculationType = doValidation ? "Validation" : "Check digit";

}

 

c = multiplication_table[c][pi];

 

 

int main( ) {

std::make_pair("123", true), std::make_pair("12345", true), std::make_pair("123456789012", false) };

 

for ( data test : tests ) {

std::cout << "The check digit for " << test.first << " is " << digit << "\n" << std::endl;