Compilare: user.cpp: In function ‘int main()’: user.cpp:10:65: warning: unused variable ‘x’ [-Wunused-variable] int i,sum=0,smax=-2000000000,smax2=2000000000,ii,jj,aux=1,n,x,semn,ii2,jj2,sumtot=0; ^ user.cpp:10:72: warning: variable ‘ii2’ set but not used [-Wunused-but-set-variable] int i,sum=0,smax=-2000000000,smax2=2000000000,ii,jj,aux=1,n,x,semn,ii2,jj2,sumtot=0; ^ user.cpp:11:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:14:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&v[i],&semn); ^ user.cpp:59:19: warning: ‘jj2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(smax2>smax && n-jj2!=0) ^