Leo_H_lab10

#include <stdio.h>

struct Student{
    char surname[30];
    int marks[5];
    int sum;
};
int main()
{
    int m;
    printf("Enter the count of studens: ");
    scanf("%d",&m);
    struct Student students[m];
    for (int i=0;i<m;i++){
        printf("Enter the surname of student: ");
        scanf("%s", students[i].surname);
        printf("Enter the mark for math: ");
        scanf("%d", &students[i].marks[0]);
        printf("Enter the mark for inform: ");
        scanf("%d", &students[i].marks[1]);
        printf("Enter the mark for programming: ");
        scanf("%d",&students[i].marks[2]);
        printf("Enter the mark for phisic: ");
        scanf("%d",&students[i].marks[3]);
        printf("ENter the mark for history: ");
        scanf("%d", &students[i].marks[4]);
        printf("---------------------------------------\n");
        students[i].sum = students[i].marks[0]+students[i].marks[1]+students[i].marks[2]+students[i].marks[3]+students[i].marks[4];
    }
    printf("Enter the number for subject: ");
    int subjectnumber;
    scanf("%d",&subjectnumber);
    for (int i=0;i<m;i++){
        if (students[i].marks[subjectnumber-1] > 60){
            printf("%s\n",students[i].surname);
            printf("---------------------------------------\n");
        }
    }
    for (int i=0;i<m;i++){
        for (int j=0;j<m;j++){
            if (students[i].sum>students[j].sum){
                struct Student c = students[i];
                students[i] = students[j];
                students[j] = c;
            }
        }
    }

    for (int i=0;i<3;i++){
        printf("%s\n",students[i].surname);
    }


    return 0;

}