Compilare: user.cpp: In function ‘int main()’: user.cpp:14:10: warning: statement has no effect [-Wunused-value] for(k;k>0;k--){ ^ user.cpp:9:15: warning: unused variable ‘d’ [-Wunused-variable] int n,k,i,d,max; ^ user.cpp:13:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&k); ^ user.cpp:15:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&i); ^ user.cpp:9:17: warning: ‘max’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n,k,i,d,max; ^