Compilare: user.cpp: In function ‘int main()’: user.cpp:141:9: warning: unused variable ‘i’ [-Wunused-variable] int i,j,xv,yv,raza; ^ user.cpp:141:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,xv,yv,raza; ^ user.cpp:141:13: warning: unused variable ‘xv’ [-Wunused-variable] int i,j,xv,yv,raza; ^ user.cpp:141:16: warning: unused variable ‘yv’ [-Wunused-variable] int i,j,xv,yv,raza; ^ user.cpp:141:19: warning: unused variable ‘raza’ [-Wunused-variable] int i,j,xv,yv,raza; ^ user.cpp:143:9: warning: unused variable ‘x1’ [-Wunused-variable] int x1,y1,d1 = oo; ^ user.cpp:143:12: warning: unused variable ‘y1’ [-Wunused-variable] int x1,y1,d1 = oo; ^ user.cpp:143:15: warning: unused variable ‘d1’ [-Wunused-variable] int x1,y1,d1 = oo; ^ user.cpp: In function ‘void Cerinta_1()’: user.cpp:112:39: warning: ‘df’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << xf << " " << yf << " " << df << "\n"; ^ user.cpp:112:26: warning: ‘yf’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << xf << " " << yf << " " << df << "\n"; ^ user.cpp:112:13: warning: ‘xf’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout << xf << " " << yf << " " << df << "\n"; ^