Compilare: main.cpp: In function 'void citire()': main.cpp:32:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<strlen(s);i++){ ~^~~~~~~~~~ main.cpp: In function 'void rez()': main.cpp:46:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<=strlen(s);i++){ ~^~~~~~~~~~~