Compilare: user.cpp: In function ‘void Read()’: user.cpp:16:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘int main()’: user.cpp:62:40: warning: unused variable ‘a’ [-Wunused-variable] int sol1,sol2,nr[5005],lennr,i,j,c,a[50005],b[100]; ^ user.cpp:62:49: warning: unused variable ‘b’ [-Wunused-variable] int sol1,sol2,nr[5005],lennr,i,j,c,a[50005],b[100]; ^ user.cpp:86:26: warning: ‘sol2’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<sol1<<" "<<sol2<<"\n"; ^ user.cpp:86:15: warning: ‘sol1’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<sol1<<" "<<sol2<<"\n"; ^