source: proiecte/pgraph/Code/Prim/agenerate1.c @ 129

// Author Antonio-Gabriel Sturzu

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

int main()
{
        int n,i,**mat,j;
        FILE *f=fopen("apm2.in","w");

        printf("Dati n ");
        scanf("%i",&n);

        mat=(int **) calloc(n*n,sizeof(int *));
        for(i=0;i<n;i++)
                mat[i]=(int *) calloc(n,sizeof(int));
        srand(time(NULL));

        for(i=0;i<n;i++)
        {
                for(j=i;j<n;j++)
                {
                        if(i==j)
                                mat[i][j]=0;
                        else
                        {
                                mat[i][j]=mat[j][i]=(rand()%999)+1;
                        }
                }
        }
        fprintf(f,"%i\n",n);
        for(i=0;i<n;i++)
        {
                for(j=0;j<n;j++)
                        fprintf(f,"%i ",mat[i][j]);
                fprintf(f,"%s","\n");
        }
        fclose(f);
        for(i=0;i<n;i++)
                free(mat[i]);
        free(mat);
        return 0;
}