//Author Antonio-Gabriel Sturzu

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

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

	/* initialize random seed */
	srand(time(NULL));
	printf("Dati valoarea lui n ");
	scanf("%i",&n);
	fprintf(f,"%i\n",n);

	for(i=0;i<n;i++)
	{
		for(j=0;j<n;j++)
		{
			if(i==j)
				fprintf(f,"%c ",'0');
			else
				fprintf(f,"%i ",(rand()%100)+1);
		}
		fprintf(f,"%s","\n");
	}	
	fclose(f);
	return 0;
}