Compilare: main.c: In function 'main': main.c:40:20: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long long int' [-Wformat=] fprintf(fout,"%d\n",s); ^ main.c:19:11: warning: unused variable 'b' [-Wunused-variable] int i,y,b,n,niv,j; ^ main.c:25:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^~~~~~~~~~~~~~~~~~~ main.c:28:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld%d",&x,&y); ^~~~~~~~~~~~~~~~~~~~~~~~~~