Compilare: user.cpp: In function ‘int main()’: user.cpp:20:61: warning: unused variable ‘tx’ [-Wunused-variable] int n, m, artmp = 0, nrc = 0, armax = -1, x, y, ci, cj, tx, ty, parmax = -1; ^ user.cpp:20:65: warning: unused variable ‘ty’ [-Wunused-variable] int n, m, artmp = 0, nrc = 0, armax = -1, x, y, ci, cj, tx, ty, parmax = -1; ^ user.cpp:91:57: warning: ‘cj’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << nrc << endl << armax << endl << ci << ' ' << cj << ' ' << parmax << endl; ^ user.cpp:91:44: warning: ‘ci’ may be used uninitialized in this function [-Wmaybe-uninitialized] out << nrc << endl << armax << endl << ci << ' ' << cj << ' ' << parmax << endl; ^