Write a C program for string sort

Question

Take a string composed of both lowercase and uppercase letters and sort it in such a manner such that the uppercase and lowercase letter comes in an alternate manner but in sorted way

Answer 1

if you mean that "GfDcBa" should be "aBcDfG" then the answer is to make a comparator function and add it as a third parameter to the pre-defined sort function in C++.. it should be something like this: sort(str.begin(),str.end(),compFunc);
P.S. parameters of sort I wrote before is for C++ strings.. if you want to use C not C++ you should replace the parameters 😁😁

Answer 2

HI .
if you want a c++ program then my friend Nour give you the code.
BUT , this code doesn't fit c program
you have to use the qsort() function
like this:
int cmp(char a,char b){
return a<b;
}
coid main(){
char *str;
// what ever your code is
int sz = sizeof(str);
qsort(str,sz,4,cmp);
}
i didn't understand what do you mean with upper and lower case letter should alternative but i think you can store a string for lowercase letter and another one for uppercase letter and sort every one alone and then merge them as you want.
GOOD LUCK WITH C LANGUAGE.