Compilare: main.cpp: In function 'void sortare(charray&)': main.cpp:15:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(sir.c); i++) ~^~~~~~~~~~~~~~ main.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<strlen(sir.c)-1; i++) ~^~~~~~~~~~~~~~~~ main.cpp:18:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=i+1; j<strlen(sir.c); j++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int cautare(charray, charray)': main.cpp:30:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(k<strlen(c1.c)-1 && strlen(poz)) { ~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:53:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(strlen(sir)>max) { ~~~~~~~~~~~^~~~ main.cpp:56:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] } else if(strlen(sir)==max) { ~~~~~~~~~~~^~~~~ main.cpp:65:13: warning: unused variable 'poz' [-Wunused-variable] int poz,ok,cnt=0; ^~~