Compilare: user.cpp:6:19: warning: integer overflow in expression [-Woverflow] int difmin=(1<<31)-1; ~~~~~~~^~ user.cpp: In function ‘int main()’: user.cpp:17:9: warning: unused variable ‘Fmax’ [-Wunused-variable] int Fmax=1,Bmax=0,Fmin=1,Bmin=0; ^~~~ user.cpp:17:16: warning: unused variable ‘Bmax’ [-Wunused-variable] int Fmax=1,Bmax=0,Fmin=1,Bmin=0; ^~~~ user.cpp:17:23: warning: unused variable ‘Fmin’ [-Wunused-variable] int Fmax=1,Bmax=0,Fmin=1,Bmin=0; ^~~~ user.cpp:17:30: warning: unused variable ‘Bmin’ [-Wunused-variable] int Fmax=1,Bmax=0,Fmin=1,Bmin=0; ^~~~ user.cpp:14:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("slidingwindow.in","r",stdin); ^ user.cpp:15:44: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("slidingwindow.out","w",stdout); ^ user.cpp:16:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d",&N,&D); ^ user.cpp:18:69: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for (register int i=1;i<=N;i++) scanf("%d",&v[i].val),v[i].poz=i; ^