MatriceCornice

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

#define MAX_INPUT 1000

int main()
{

    FILE *fp;

    fp = fopen("input.txt", "r");
    if(fp == NULL) exit(EXIT_FAILURE);

    int imat;

    int matrice[MAX_INPUT];
    int num_col;
    int is_dim = 0;
    int num_counter = 0;

    while(!feof(fp) && num_counter < MAX_INPUT){
        fscanf(fp, "%d", &imat);
        printf("%d ", imat);
        if(is_dim == 0){
            num_col = imat;
        }
        else{
            matrice[num_counter] = imat;
            num_counter++;
        }

        is_dim++;
    }
    printf("\n");

    num_counter--;

    int num_rig = num_counter / num_col;
    printf("num_rig X num_col: %d x %d\n", num_rig, num_col);

    int i, j;

    for(i = 0; i < num_rig; i++){
        for(j = 0; j < num_col; j++){
            printf("%d ", matrice[i * num_col + j]);
        }
        printf("\n");
    }

    printf("Hello world!\n");
    return 0;
}