Azmy.c

#include <stdio.h>

#define ROWS 10
#define COLS 10

void init(int Matrix2D[][COLS], int N, int M){
    int i, j;
    for (i = 0; i < N; i++)
        for (j = 0; j < M; j++)
            Matrix2D[i][j] = 0;
}

void setRow(int Matrix2D[][COLS], int M, int rowIndex, int value){
    int i;
    for (i = 0; i < M; i++)
    {
        Matrix2D[rowIndex][i] = value;
    }
}

void print2DArray(int Matrix2D[ROWS][COLS], int N, int M){
    int i, j;
    for (i = 0; i < N; i++)
    {
        for (j = 0; j < M; j++)
        {
            printf("\t %d",Matrix2D[i][j]);
        }
        printf("\n");
    }
}



int main(){

    //get the dimensions of the 2D array
    printf("enter the 1st 2D Matrix dimension (must be less than %d): ",ROWS);
    int N;
    scanf("%d",&N);
    printf("enter the 2nd 2D Matrix dimension (must be less than %d): ",COLS);
    int M;
    scanf("%d",&M);

    //creating the 2D array
    int Matrix2D[N][M];

    // initialize or fill it with zeros
    init(Matrix2D, N, M);

    //get the needed info
    printf("which row do u want to set : ");
    int rowIndex;
    scanf("%d",&rowIndex);
    printf("enter the value : ");
    int value;
    scanf("%d",&value);

    // set the whole row with that value
    setRow(Matrix2D, M, rowIndex-1, value);

    //print the whole array
    print2DArray(Matrix2D, N, M);

    return 0;

}