Compilare: user.cpp: In function ‘int main()’: user.cpp:8:17: warning: unused variable ‘cop’ [-Wunused-variable] int n , i , cop , cnt=0,nr,j,k,mmax=-30001,min1=-30001,poz1,poz2; ^ user.cpp:8:23: warning: unused variable ‘cnt’ [-Wunused-variable] int n , i , cop , cnt=0,nr,j,k,mmax=-30001,min1=-30001,poz1,poz2; ^ user.cpp:8:29: warning: unused variable ‘nr’ [-Wunused-variable] int n , i , cop , cnt=0,nr,j,k,mmax=-30001,min1=-30001,poz1,poz2; ^ user.cpp:8:36: warning: unused variable ‘mmax’ [-Wunused-variable] int n , i , cop , cnt=0,nr,j,k,mmax=-30001,min1=-30001,poz1,poz2; ^ user.cpp:6:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secventa.in","r",stdin); ^ user.cpp:7:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secventa.out","w",stdout); ^ user.cpp:9:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&k); ^ user.cpp:10:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++)scanf("%d",&v[i]);int min=30001; ^