Eroare de compilare: user.cpp: In function ‘void rezolva_problema()’: user.cpp:35:9: error: ‘el1’ was not declared in this scope el1=cauta_poz(x1, y1); ^ user.cpp:35:29: error: ‘cauta_poz’ was not declared in this scope el1=cauta_poz(x1, y1); ^ user.cpp:36:9: error: ‘el2’ was not declared in this scope el2=cauta_poz(x2, y2); ^ user.cpp:30:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ user.cpp:34:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &x1, &y1, &x2, &y2); ^ user.cpp: In function ‘int main()’: user.cpp:52:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("grid.in", "r", stdin); ^ user.cpp:53:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("grid.out", "w", stdout); ^