Compilare: user.cpp: In function ‘int main()’: user.cpp:9:11: warning: unused variable ‘m’ [-Wunused-variable] int n,m,x,y,p,d,k; ^ user.cpp:9:13: warning: unused variable ‘x’ [-Wunused-variable] int n,m,x,y,p,d,k; ^ user.cpp:9:15: warning: unused variable ‘y’ [-Wunused-variable] int n,m,x,y,p,d,k; ^ user.cpp:7:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pseodobil.in","r",stdin); ^ user.cpp:8:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("pseodobil.out","w",stdout); ^ user.cpp:10:34: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&p,&n,&k,&d); ^