Compilare: user.cpp: In function ‘int main()’: user.cpp:196:13: warning: unused variable ‘q’ [-Wunused-variable] int q = 1 ; ^ user.cpp: In function ‘void read()’: user.cpp:48:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ( "cartite.in" , "r" , stdin ) ; ^ user.cpp:49:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d" , &test ) ; ^ user.cpp:50:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d %d" , &n , &m ) ; ^ user.cpp:51:53: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d %d" , &line_start , &colomn_start ) ; ^ user.cpp:52:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d" , &nrfoxes ) ; ^ user.cpp:54:68: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d %d %d" , &F[i].lin , &F[i].col , &F[i].range ) ; ^ user.cpp:55:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d" , &euler_lenght ) ; ^ user.cpp:57:77: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ( "%d %d %d %d" , &B[i].ls , &B[i].cs , &B[i].lf , &B[i].cf ) ; ^ user.cpp: In function ‘int pos(int, int)’: user.cpp:107:1: warning: control reaches end of non-void function [-Wreturn-type] } ^