#include <stdio.h>
#include <string.h>
 
void SortString(char *strings[], int size)
{
    char *temp;
    for(int i = 0; i < size - 1; i++) {
        for(int j = i + 1; j < size; j++) {
            if (strcmp(strings[i], strings[j]) > 0) {
				temp = strings[i];
				strings[i] = strings[j];
				strings[j] = temp;
			}
		}
    }
}
int main()
{
	char *names[] = {"D", "C", "B", "A"};
 
	SortString(names, 4);
 
	for (int i=0; i < 4; ++i) {
		printf("%s\n", names[i]);
	}
}
 

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