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@LindseyB
Created June 17, 2010 01:54
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
char* toBase26(int num){
char* str;
str = malloc(sizeof(char)*10);
char* temp = str;
while(num > 0){
temp[0] = (num%26) + 0x40;
temp++;
num /= 26;
}
temp = '\0';
return str;
}
int toBase10(char* str){
int len = strlen(str);
int num = 0;
int i;
for(i = len-1; i >= 0; i--){
num = num*26 + ((int)str[i] - 0x40);
}
return num;
}
int main(){
printf("%s\n", toBase26(27)); // prints AA
printf("%d\n", toBase10("AA")); // prints 27
return 0;
}
@LindseyB
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Not really base 26 - but I am converting numbers <-> letters in some form. Based on base 26 to/from base 10 conversion.

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