Lab 4

#include <stdio.h>
#include <stdlib.h>
#define N 3
#define M 4

int Y[N][M];

int i, j;

int assign_mass();
int output();

int main()
{
    //int Y[N][M];

    printf("\t\t\t_. ..Matrix..builder..v1.0.. ._\n\n");

    assign_mass();
    output();

    return 0;
}

int assign_mass()
{
    int method;

    printf("Choose method:\n[1] Automatic assignation\n[2] Enter yourself\nYour choice: ");
    scanf("%d", &method);

    if (method==1)
    {
        for (i=0; i<N; i++)
        {
            for (j=0; j<M; j++)
            {
                Y[i][j]=rand() %255;
            }
        }
    }
    else if (method==2)
    {
        for (i=0; i<N; i++)
        {
            for (j=0; j<M; j++)
            {
                do
                {
                    printf("Enter value to socket with address [%d][%d]: ", i, j);
                    scanf("%d", &Y[i][j]);
                    if (Y[i][j]<0 || Y[i][j]>255)
                        printf("Bad input! Value must be: [0,255]! Try again!\n");
                }
                while(Y[i][j]<0 || Y[i][j]>255);
            }
        }
    }

return 0;
}

int output()
{
    printf("\n");
    for (i=0; i<N; i++)
        {
            for (j=0; j<M; j++)
            {
                printf("%d\t",Y[i][j]);
            }
            printf("\n");
        }
return 0;
}