Compilare: main.c: In function 'main': main.c:58:6: warning: unused variable 'nr_secventa' [-Wunused-variable] int nr_secventa=1; ^~~~~~~~~~~ main.c: In function 'sume': main.c:53:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ main.c: In function 'main': main.c:66:4: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",v+i); ^~~~~~~~~~~~~~~~~~