Compilare: user.cpp: In function ‘int main()’: user.cpp:27:9: warning: unused variable ‘nr’ [-Wunused-variable] int n,i,nr,poz=1,l1,l2,mij,poz2,cautat,pp,j,n2; ^ user.cpp:27:33: warning: unused variable ‘cautat’ [-Wunused-variable] int n,i,nr,poz=1,l1,l2,mij,poz2,cautat,pp,j,n2; ^ user.cpp:27:40: warning: variable ‘pp’ set but not used [-Wunused-but-set-variable] int n,i,nr,poz=1,l1,l2,mij,poz2,cautat,pp,j,n2; ^ user.cpp:24:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interclasare.in","r",stdin); ^ user.cpp:25:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("interclasare.out","w",stdout); ^ user.cpp:29:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ user.cpp:31:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ user.cpp:32:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&n2); ^ user.cpp:34:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d",&v2[i]); ^