Compilare: main.c: In function 'bkt': main.c:18:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.c: In function 'main': main.c:25:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^~~~~~~~~~~~~~~~~~~ main.c:29:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&x); ^~~~~~~~~~~~~~~~~~~