Compilare: main.c: In function 'main': main.c:21:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &t); ^~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:24:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^~~~~~~~~~~~~~~~~~~~~~~~ main.c:28:9: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &a); ^~~~~~~~~~~~~~~~~~~~~ main.c:17:18: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized] int n, i, t, j, a, nrdist = 0, lmin; ^