Compilare: main.c: In function 'main': main.c:14:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &p, &n, &k); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:22:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:45:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:65:21: warning: 'nrmaxl' may be used uninitialized in this function [-Wmaybe-uninitialized] nrmaxl++; ~~~~~~^~