Compilare: user.cpp: In function ‘int main()’: user.cpp:41:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 1; i < sume.size(); i++) ^ user.cpp:67:48: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sume_line.size() - 1 && !linie; i++) ^ user.cpp:70:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < sume_coloana.size() - 1 && !coloana; i++) ^ user.cpp:73:16: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp:78:17: warning: ‘sum_c’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (matrice[n][i] == sum_c) ^ user.cpp:92:17: warning: ‘sum_l’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (matrice[i][n] == sum_l) ^