Compilare: user.cpp: In function ‘void Calc()’: user.cpp:8:12: warning: ‘i’ is used uninitialized in this function [-Wuninitialized] { int i,nr=i,s=0; ^ user.cpp: In function ‘void Solve()’: user.cpp:27:23: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] else sol=sumc[dr]-sumc[st-1]; ^ user.cpp:27:32: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] else sol=sumc[dr]-sumc[st-1]; ^