Compilare: user.cpp: In function ‘int main()’: user.cpp:93:15: warning: variable ‘cn’ set but not used [-Wunused-but-set-variable] int i, j, cn, cp, ni, nj, ok, initi, initj, cv, k, dir; ^ user.cpp:93:19: warning: variable ‘cp’ set but not used [-Wunused-but-set-variable] int i, j, cn, cp, ni, nj, ok, initi, initj, cv, k, dir; ^ user.cpp:93:23: warning: unused variable ‘ni’ [-Wunused-variable] int i, j, cn, cp, ni, nj, ok, initi, initj, cv, k, dir; ^ user.cpp:93:27: warning: unused variable ‘nj’ [-Wunused-variable] int i, j, cn, cp, ni, nj, ok, initi, initj, cv, k, dir; ^ user.cpp:93:49: warning: variable ‘cv’ set but not used [-Wunused-but-set-variable] int i, j, cn, cp, ni, nj, ok, initi, initj, cv, k, dir; ^ user.cpp:95:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("horse.in", "r", stdin); ^ user.cpp:96:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("horse.out", "w", stdout); ^ user.cpp:98:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d", &n, &p); ^