Compilare: user.cpp: In function ‘int main()’: user.cpp:10:50: warning: unused variable ‘sol’ [-Wunused-variable] float d , v1 , v2 , v3 , g1 , g2 , h1 , h2 , sol=0 , t , v ,dfata ; ^ user.cpp:8:48: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("balulbobocilor.in" , "r" , stdin); ^ user.cpp:9:50: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("balulbobocilor.out" , "w" , stdout); ^ user.cpp:11:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%f " , &d); ^ user.cpp:12:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%f %f %f %f %f %f " , &v1 , &h1 , &g1 , &v2 , &h2 ,&g2 ); ^ user.cpp:13:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%f " , &v3 ); ^