Compilare: main.c: In function 'main': main.c:14:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &c ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:15:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:16:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &k ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:22:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:39:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[i] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:13:22: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] int c, i, j, n, k, cnt, lmax, ok, mx, s, mn; ^~~