Eroare de compilare: user.cpp: In function ‘std::pair<int, int> get_best(int, int)’: user.cpp:31:32: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ int p_val = l(x, 1, i-2) + l(y, 1, i-2) - c(i-1, x+1, y-1); ^ user.cpp:13:12: error: in passing argument 2 of ‘int l(int&, int&, int&)’ inline int l(int &line, int &x, int &y) ^ user.cpp:31:47: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ int p_val = l(x, 1, i-2) + l(y, 1, i-2) - c(i-1, x+1, y-1); ^ user.cpp:13:12: error: in passing argument 2 of ‘int l(int&, int&, int&)’ inline int l(int &line, int &x, int &y) ^ user.cpp:31:54: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ int p_val = l(x, 1, i-2) + l(y, 1, i-2) - c(i-1, x+1, y-1); ^ user.cpp:19:12: error: in passing argument 1 of ‘int c(int&, int&, int&)’ inline int c(int &col, int &x, int &y) ^ user.cpp:38:28: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ int val = l(x, 1, i) + l(y, 1, i) + c(i, x+1, y-1) - part_best; ^ user.cpp:13:12: error: in passing argument 2 of ‘int l(int&, int&, int&)’ inline int l(int &line, int &x, int &y) ^ user.cpp:38:41: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ int val = l(x, 1, i) + l(y, 1, i) + c(i, x+1, y-1) - part_best; ^ user.cpp:13:12: error: in passing argument 2 of ‘int l(int&, int&, int&)’ inline int l(int &line, int &x, int &y) ^ user.cpp:38:51: error: invalid initialization of non-const reference of type ‘int&’ from an rvalue of type ‘int’ int val = l(x, 1, i) + l(y, 1, i) + c(i, x+1, y-1) - part_best; ^ user.cpp:19:12: error: in passing argument 2 of ‘int c(int&, int&, int&)’ inline int c(int &col, int &x, int &y) ^