Compilare: user.cpp: In function ‘int main()’: user.cpp:14:7: warning: unused variable ‘i’ [-Wunused-variable] int n,i,j,j2,i2,x,l,v[30001],k; ^ user.cpp:14:9: warning: unused variable ‘j’ [-Wunused-variable] int n,i,j,j2,i2,x,l,v[30001],k; ^ user.cpp:20:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(inFile, "%d",&n); ^ user.cpp:22:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(inFile, "%s",g); ^ user.cpp:14:17: warning: ‘x’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,j,j2,i2,x,l,v[30001],k; ^