Compilare: user.cpp: In function ‘int main()’: user.cpp:7:14: warning: unused variable ‘m’ [-Wunused-variable] int elem,m,n,k,i,c,l1=0,l2=0,s,nrt;; ^ user.cpp:8:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d%d",&n,&k); ^ user.cpp:10:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&v[i]); ^