Compilare: user.cpp: In function ‘int main()’: user.cpp:7:15: warning: variable ‘m’ set but not used [-Wunused-but-set-variable] int v,n,x,m,i,j=0,c,cmax=0,nr,l; ^ user.cpp:7:19: warning: unused variable ‘j’ [-Wunused-variable] int v,n,x,m,i,j=0,c,cmax=0,nr,l; ^ user.cpp:10:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v); ^ user.cpp:11:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:20:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^