poredjenje 2

  #include <stdio.h>
    #include <stdlib.h>
    #define MAX_SIZE 20



    void ucitaj(FILE *in, int a[MAX_SIZE][MAX_SIZE], int *n)
    {
    int j, i, k;


    fscanf(in ,"%d", n);
    k = *n;

    for(i=0; i<k; i++){
        for(j=0; j<k; j++){
            fscanf(in, "%d", &a[i][j]);
                }
             }

    }

    void ispisi (FILE *out, int a[MAX_SIZE][MAX_SIZE], int n)
    {
        int j, i;
        int k = n;

    for(i=0; i<k; i++){
        printf("\n");

        for(j=0; j<k; j++){

            fprintf(out, "%d", a[i][j]);
                }
             }

    }
    int Poredjenje(int niz1[MAX_SIZE][MAX_SIZE], int niz2[MAX_SIZE][MAX_SIZE], int n1, int n2){

    int j1, j2, i1, i2, k1, k2;
    int istina=0;
    int u;
    u = n1-n2+1;
    for(i1=0; j1<u; i1++){
        for(j1 =0; j1<u; j1++){
            if((niz1[i1][j1])==(niz2[0][0])){
                for(k1=1;k1<n2;k1++){
                    for(k2=1; k2<n2; k2++){
                        if((niz1[i1+k1][j1+k2])!=(niz2[k1][k2]))
                            {
                                break;
                            }else {
                                return 1;
                                }
                    }
                }

            }
        }
    }
    return 0;
    }

    int main ()
    {
    int big[MAX_SIZE][MAX_SIZE], big_n;
    int small[MAX_SIZE][MAX_SIZE], small_n;

    FILE *in;
    if((in = fopen("matrica.txt", "r"))==NULL) {printf("fajl se nije ucitao\n");}
    FILE *out;
    out = fopen("ispis.txt", "w");

    /*if(()==NULL){
        printf("Datoteka nije otvorena\n"); }
    */
    ucitaj(in, big, &big_n);
    ucitaj(in, small, &small_n);

    puts("Big:"); ispisi(out, big, big_n); printf("\n");
    puts("Small:"); ispisi(out, small, small_n); printf("\n");

    fclose(in);
    fclose(out);

   if( Poredjenje(big, small, big_n, small_n))
   {
       printf("matrica small ulazi u sastav matrice big\n");
   }



    return 0;
    }