Lab_

#include <stdio.h>
#include <stdlib.h>

#define BUFF 256

typedef struct stud_st{
    char * surname;
    int scholar;
} stud;

char * input_string(char * message){
    char * buff = (char *) malloc(BUFF*sizeof(char));
    printf("%s: ", message);
    scanf("%s", buff);
    char * result = (char *)malloc((strlen(buff)+1)*sizeof(char));
    strcpy(result, buff);
    free(buff);
    return result;
}

int main()
{
    int n=0, sr=0, sch=0, cnt=0, cnt1=0, k=0, i=0;
    printf("Enter count of students:    ");
    scanf("%d", &n);
    stud * mas[n];
    stud * st;
    for (int i=0; i<n; i++){
        st = malloc(sizeof(stud));
        st->surname=input_string("\nEnter student's surname");
        printf("\nEnter student's scholar:  ");
        scanf("%d", &sch);
        st->scholar = sch;
        sr = sr+sch;
        mas[i]=st;
    }

    sr = sr/n;
  //  printf("sr=%d\n", sr);
  //  printf("schol=%d\n", mas[0]->scholar);

    for (int i=0; i<n; i++){
        if(sr<(mas[i]->scholar)){
            cnt++;
        }
    }

    //char * str = mas[0]->surname;
    //printf("%s\n", str);

    stud * mas1[cnt];
    cnt1=cnt;

    for (i=0; i<n; i++){
        if(sr<(mas[i]->scholar)){
            mas1[cnt1-cnt]=mas[i];
            cnt--;

        }
    }
   // printf("schol=%d\n", mas1[0]->scholar);
   // printf("%d\n", cnt1);
    for (i=0; i<cnt1; i++){
        printf("\n%s, %d", mas1[i]->surname, mas1[i]->scholar);
    }
    return 0;
}