Compilare: main.c: In function 'main': main.c:22:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &t ); ^~~~~~~~~~~~~~~~~~~~~~~ main.c:24:7: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~