Compilare: main.c: In function 'main': main.c:138:9: warning: unused variable 'time' [-Wunused-variable] int time; ^~~~ main.c:145:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d", &nodes, &edges, &node); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:150:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d", &x[i], &y[i]); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~