Compilare: user.cpp: In function ‘int main()’: user.cpp:10:20: warning: unused variable ‘m’ [-Wunused-variable] int n,v[30000],m[30000],m1[30000]; ^ user.cpp:10:29: warning: unused variable ‘m1’ [-Wunused-variable] int n,v[30000],m[30000],m1[30000]; ^ user.cpp:16:13: warning: variable ‘pz2’ set but not used [-Wunused-but-set-variable] int pz1,pz2; ^ user.cpp:13:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&n); ^ user.cpp:18:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(pFile,"%d",&v[i]); ^ user.cpp:72:12: warning: ‘p1’ may be used uninitialized in this function [-Wmaybe-uninitialized] p1--; ^ user.cpp:49:1: warning: ‘pz1’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i=n;i>=pz1+1;i--) ^