Compilare: user.cpp: In function ‘int main()’: user.cpp:25:27: warning: unused variable ‘k’ [-Wunused-variable] int i,n,min,max,sum=0,k=0,cntm=0; ^ user.cpp:25:31: warning: unused variable ‘cntm’ [-Wunused-variable] int i,n,min,max,sum=0,k=0,cntm=0; ^ user.cpp:22:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&t); ^ user.cpp:26:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ user.cpp:28:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&v[i].a,&v[i].b); ^