Compilare: user.cpp: In constructor ‘LPSolver::LPSolver(const VVD&, const VD&, const VD&)’: user.cpp:32:9: warning: ‘LPSolver::N’ will be initialized after [-Wreorder] VI B, N; ^ user.cpp:32:6: warning: ‘VI LPSolver::B’ [-Wreorder] VI B, N; ^ user.cpp:35:3: warning: when initialized here [-Wreorder] LPSolver(const VVD &A, const VD &b, const VD &c): ^ user.cpp: In member function ‘bool LPSolver::Simplex(int)’: user.cpp:60:64: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (s == -1 || D[x][j] < D[x][s] || D[x][j] == D[x][s] && N[j] < N[s]) s = j; ^ user.cpp:67:62: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] (D[i][n + 1] / D[i][s]) == (D[r][n + 1] / D[r][s]) && B[i] < B[r]) r = i; ^ user.cpp: In member function ‘DOUBLE LPSolver::Solve(VD&)’: user.cpp:83:66: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (s == -1 || D[i][j] < D[i][s] || D[i][j] == D[i][s] && N[j] < N[s]) s = j; ^ user.cpp: In function ‘int main()’: user.cpp:98:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("echilibrare.in", "r", stdin); ^ user.cpp:99:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("echilibrare.out", "w", stdout); ^