Compilare: user.cpp: In function ‘std::string evalrotunde(std::string)’: user.cpp:14:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ^ user.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();i++) ^ user.cpp:32:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v.size();i++) ^ user.cpp:10:40: warning: unused variable ‘j’ [-Wunused-variable] int x=0,semn=1,maxim=-1000,sum=0,i,j,smax=0; ^ user.cpp: In function ‘std::string evalpatrate(std::string)’: user.cpp:69:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ^ user.cpp:65:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x=0,semn=1,rez; ^ user.cpp: In function ‘int evalfinal(std::string)’: user.cpp:109:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<s.size();i++) ^ user.cpp:122:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=0;i<v.size();i++) ^ user.cpp:106:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j,x=0,semn=1,rez=0; ^ user.cpp: In function ‘int main()’: user.cpp:137:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0;i<ex.size();i++) ^ user.cpp:141:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (p1<ex.size()) ^