Compilare: user.cpp: In function ‘int p1()’: user.cpp:13:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1; i<strlen(s); i++) ^ user.cpp: In function ‘int papo(int)’: user.cpp:54:11: warning: statement has no effect [-Wunused-value] kk+1; ^ user.cpp: In function ‘int main()’: user.cpp:65:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int h=0; h<strlen(s); h++) ^ user.cpp:63:9: warning: unused variable ‘j’ [-Wunused-variable] int j,i,numar,semn,ok; ^ user.cpp:63:11: warning: unused variable ‘i’ [-Wunused-variable] int j,i,numar,semn,ok; ^