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Results tagged with string
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user 28997
0
votes
1
answer
97
views
i don't know what's wrong with my code. Trying to convert from string to long
INPUT
int main(void)
{
long long cardnumber, calc;
string credit[0];
string nonnumeric;
//long long calc = card number;
int countcardcharacters = 0;
long long c;
//user input
do
{
credit[0]= get_string …
- 31
0
votes
When I multiply my array by 2 it doesn't give expected value
this converts it from its ASCII form
(checksumarray[0][x] - '0')
- 31
0
votes
1
answer
30
views
When I multiply my array by 2 it doesn't give expected value
#include <cs50.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
bool checksum(string checksumarray[0]);
int main()
{
long long cardnumber = 0, calc;
//string credit[1];
//string lengthkey[ … 1];
string credit;
string lengthkey[1];
//user input
do
{
credit = get_string("Card number: ");
}
while ((credit <= 0));
//to check if condition works
printf("%s credit\n", credit);
//the long long …
- 31