reteta.cpp: In function 'void inserare(char*, char*)': reteta.cpp:19: warning: comparison between signed and unsigned integer expressions reteta.cpp: In function 'int main()': reteta.cpp:50: warning: comparison between signed and unsigned integer expressions reteta.cpp:56: warning: comparison between signed and unsigned integer expressions reteta.cpp: In function 'void inserare(char*, char*)': reteta.cpp:18: warning: 'cantitate' may be used uninitialized in this function