Compilare: main.c: In function 'main': main.c:35:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &c ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:37:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:39:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &v[ j ] ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~