Compilare: user.cpp: In function ‘int main()’: user.cpp:66:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<sol.size();i++) fprintf(g,"%d ",sol[i]); ^ user.cpp:51:9: warning: unused variable ‘ind’ [-Wunused-variable] int ind; ^ user.cpp:23:27: 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:25:29: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i]); ^ user.cpp:28:22: warning: iteration 500450u invokes undefined behavior [-Waggressive-loop-optimizations] rest[i] = i%n; ^ user.cpp:27:5: note: containing loop for (i=0;i<500500;i++) ^