#include <stdio.h>
#define maxN 10
int main(void) {
   FILE *tf=NULL;
   int matrix[maxN][maxN] = {0};
   int vertex, rows, vert1, vert2, vert_number;

   tf = fopen("graaf_topo1.txt","r");
   fscanf(tf,"%d %d",&vertex,&rows);
   printf("%d %d\n",vertex,rows);
   for (int i=0; i<rows; i++) {
        fscanf(tf,"%d %d",&vert1,&vert2);
        printf("%d %d\n",vert1,vert2);
        matrix[vert1][vert2] = 1;
        matrix[vert2][vert1] = 1;
   }
    fclose(tf);
    printf("Trükime välja naabrusmaatriksi ilusal kujul.\n");
	for (int i = 0; i < vertex; i++) {
        for (int j = 0; j < vertex; j++) {
        	printf("%3d", matrix[i][j]);
        }
        printf("\n");
    }
    printf("Kelle naabrid? ");
    scanf("%d", &vert_number);
    for (int i = 0; i < vertex; i++) {
        if (matrix[vert_number][i] == 1) {
            printf("%d ", i);
        }
    }
}