Compilare: user.cpp: In function ‘void Citire()’: user.cpp:23:12: warning: unused variable ‘Fin’ [-Wunused-variable] FILE * Fin=freopen("alee.in", "r", stdin); ^ user.cpp:24:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:27:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &i, &j); ^ user.cpp:30:50: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d ", &psx, &psy, &pcx, &pcy); ^