Compilare: user.cpp: In function ‘int main()’: user.cpp:51:28: warning: format ‘%lld’ expects argument of type ‘long long int’, but argument 3 has type ‘int’ [-Wformat=] fprintf(g,"%lld\n",d[0]); ^ user.cpp:69:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<sol.size();i++) fprintf(g,"%d ",sol[i]); ^ user.cpp:54:9: warning: unused variable ‘ind’ [-Wunused-variable] int ind; ^ user.cpp:22:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&p); ^ user.cpp:24:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^