Compilare: user.c: In function ‘main’: user.c:8:32: warning: unused variable ‘s2’ [-Wunused-variable] int suma=0,max=-2000000000,s2; ^ user.c:7:18: warning: unused variable ‘r2’ [-Wunused-variable] int n,i,k,r1,r2,j,s=0,f=0; ^ user.c:7:15: warning: unused variable ‘r1’ [-Wunused-variable] int n,i,k,r1,r2,j,s=0,f=0; ^ user.c:7:13: warning: unused variable ‘k’ [-Wunused-variable] int n,i,k,r1,r2,j,s=0,f=0; ^ user.c:9:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.c:11:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&j); ^