Compilare: user.cpp:8:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main() ^ user.cpp: In function ‘int main()’: user.cpp:29:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<d.size();++i) ~^~~~~~~~~ user.cpp:40:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(pp==d2.size()-3) ~~^~~~~~~~~~~~~ user.cpp:48:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<d.size();++i) ~^~~~~~~~~ user.cpp:54:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d2[i]==5 && pp==d2.size()-1) ~~^~~~~~~~~~~~~ user.cpp:65:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(xx<d2.size()-1) ~~^~~~~~~~~~~~ user.cpp:68:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d2[i]==2 && pp==d2.size()-2) ~~^~~~~~~~~~~~~ user.cpp:85:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<d.size();++i) ~^~~~~~~~~ user.cpp:91:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d2[i]==0 && pp==d2.size()-1) ~~^~~~~~~~~~~~~ user.cpp:95:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(xx<d2.size()-1) ~~^~~~~~~~~~~~ user.cpp:98:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d2[i]==5 && pp==d2.size()-2) ~~^~~~~~~~~~~~~ user.cpp:116:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<d.size();++i) ~^~~~~~~~~ user.cpp:122:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d2[i]==5 && pp==d2.size()-1) ~~^~~~~~~~~~~~~ user.cpp:132:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(xx<d2.size()-1) ~~^~~~~~~~~~~~ user.cpp:135:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(d2[i]==7 && pp==d2.size()-2) ~~^~~~~~~~~~~~~