Compilare: user.cpp: In function ‘int main()’: user.cpp:5:28: warning: unused variable ‘a’ [-Wunused-variable] unsigned long long p,q,a,sol,j,nr,r,k=2,x,maxx=0,pr,i,m; ^ user.cpp:5:30: warning: unused variable ‘sol’ [-Wunused-variable] unsigned long long p,q,a,sol,j,nr,r,k=2,x,maxx=0,pr,i,m; ^ user.cpp:5:45: warning: unused variable ‘x’ [-Wunused-variable] unsigned long long p,q,a,sol,j,nr,r,k=2,x,maxx=0,pr,i,m; ^ user.cpp:8:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%llu %llu",&p,&q); ^ user.cpp:5:59: warning: ‘m’ may be used uninitialized in this function [-Wmaybe-uninitialized] unsigned long long p,q,a,sol,j,nr,r,k=2,x,maxx=0,pr,i,m; ^