Compilare: user.cpp: In function ‘int factor(char, int*)’: user.cpp:19:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<mpp[f].size() && isdigit(mpp[f][j])) ^ user.cpp: In function ‘int termen(char, int*)’: user.cpp:29:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<mpp[f].size() && mpp[f][j]=='*') ^ user.cpp: In function ‘int ev_exp(char, int*)’: user.cpp:37:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<mpp[f].size()) ^ user.cpp: In function ‘int evaluare()’: user.cpp:77:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<s.size() && s[i]!=',' && s[i]!=')') ^ user.cpp:80:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<mpp[f].size();++j) ^ user.cpp:75:10: warning: unused variable ‘okk’ [-Wunused-variable] bool okk=0; ^ user.cpp: In function ‘int main()’: user.cpp:91:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<eval.size();++i) ^