EOJ-自适应编程学习平台

/********** Specification of mysort **********/
void mysort(char *v[], int L, int R);
/* PreCondition:
      v points to an array of char*,
      L,R are indexes of the array to be sorted
   PostCondition:
      to sort with descending order of string lengths.
      If two string have same length, sort with ascending order of strings
*/

#define MAXLINES 5000
char *lineptr[MAXLINES];

void readlines(char *lineptr[], int nlines);

void writelines(char *lineptr[], int nlines);

int main() {
    int nlines;
    scanf("%d\n", &nlines);
    readlines(lineptr, nlines);
/********** mysort is called here *************************/
    mysort(lineptr, 0, nlines - 1);
/***********************************************************/
    writelines(lineptr, nlines);
    return 0;
}
Input