#define _CRT_SECURE_NO_WARNINGS
#define size1 255

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

struct Group
{

    char Name[size1];
    unsigned int Passed[4];

};

void main()
{

    setlocale(LC_ALL, "");

    int passed_off[size1];
    printf("Введите количество студентов\n");
    unsigned int n = 0, k = 0;
    scanf("%d", &n);

    struct Group students[100];


    for (unsigned int i = 0; i < n; i++)
    {
        printf("Введите ФИО студента %u\n", i + 1);
        // scanf("%c",&students[i].Name);
        gets_s((students+i)->Name);


        for (unsigned int j = 0; j < 4; j++)
        {
            printf("Введите зачет/незачет (1 или 0) для %u предмета у %s\n", j + 1, (students + i)->Name);
            scanf("%d", &(students + i)->Passed[j]);
        }

    }

    for (unsigned int i = 0; i < n; i++) {

        for (unsigned int j = 0; j < 4; j++)
            if ((students + i)->Passed[j] < 1)
            {

                passed_off[k] = i;
                k++;
                break;

            }
    }
    if (k > 0)
    {
        printf("Всего задолжников = %u\n", k);
        for (unsigned int i = 0; i < k; i++)

            printf("---Задолжник №%u - %s---\n", i + 1, (students + passed_off[i])->Name);

    }
    else printf("Задолжников нет\n");

    system("pause");

}