Compilare: user.cpp: In function ‘int main()’: user.cpp:34:9: warning: variable ‘aux’ set but not used [-Wunused-but-set-variable] cub aux, tata, fiu; ^ user.cpp:34:14: warning: unused variable ‘tata’ [-Wunused-variable] cub aux, tata, fiu; ^ user.cpp:34:20: warning: unused variable ‘fiu’ [-Wunused-variable] cub aux, tata, fiu; ^ user.cpp:69:9: warning: unused variable ‘xx’ [-Wunused-variable] int xx, yy, zz; ^ user.cpp:69:13: warning: unused variable ‘yy’ [-Wunused-variable] int xx, yy, zz; ^ user.cpp:69:17: warning: unused variable ‘zz’ [-Wunused-variable] int xx, yy, zz; ^ user.cpp:25:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alge.in", "r", stdin); ^ user.cpp:26:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("alge.out", "w", stdout); ^ user.cpp:28:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:31:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &x, &y, &z); ^