chimie.cpp: In function 'void adauga(int&, element*, char*, int)': chimie.cpp:36: warning: comparison between signed and unsigned integer expressions chimie.cpp: In function 'void prelucreazaSir(char*, int&, element*)': chimie.cpp:50: warning: comparison between signed and unsigned integer expressions chimie.cpp:61: warning: comparison between signed and unsigned integer expressions chimie.cpp:86: warning: comparison between signed and unsigned integer expressions chimie.cpp: In function 'void scoateParanteze(char*, char*)': chimie.cpp:135: warning: comparison between signed and unsigned integer expressions chimie.cpp: In function 'int main()': chimie.cpp:143: warning: unused variable 'c' chimie.cpp:143: warning: unused variable 'j'