Why is it impossible to fill the structure in SI?

Question

C++ / C#

Task:
Define a structure with three fields, create an array of 7 elements of the type of this structure, fill it and display it on the screen. I ran into a problem: there are 3 fields in the structure: two of them are of type char , one is of type int . When filling fields of type char , I use the fgets() function , when filling an int field, I use the usual scanf() , while after filling the first element of the array of structures, I skip filling the first field of the next element of the array... This is how it looks:

Here is the code for the program itself:

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

struct aeroflot{
    char nazn[20];
    char tip[20];
    int numr;
};
int main(){
    int i;
    struct aeroflot airport[7];
    for( i = 0; i < 7; i++ ){
        printf("Enter #%d flight nazn: ", i);
        fgets(airport[i].nazn, 20, stdin);
        printf("Enter #%d flight tip: ", i);
        fgets(airport[i].tip, 20, stdin);
        printf("Enter #%d flight numr:", i);
        scanf("%d", &airport[i].numr);

        printf("You entered:\n");
        fputs(airport[i].nazn, stdout);
        fputs(airport[i].tip, stdout);
        printf("\n%d", airport[i].numr);
    }

    return 0;
}

Help me understand what the problem is and explain how the int field is filled in such situations ... Maybe you need to use other functions?

Answer 1

Try clearing the buffer at the end of the block in a loop:
fflush(stdin)

Answer 2

Correct 2 lines:

scanf("%d", &airport[i].numr);
// =>
scanf("%d\n", &airport[i].numr);

printf("\n%d", airport[i].numr);
// =>
printf("%d\n", airport[i].numr);

Answer 3

Use fgets() + sscanf(). Through fgets () you get each line, and through sscanf () you get the necessary values ​​from it.