Compilare: main.cpp: In function 'void nfa(char*, int, int, bool&)': main.cpp:35:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < a[stare].size(); i ++) ~~^~~~~~~~~~~~~~~~~ main.cpp:41:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz == strlen(cuv) - 1) ~~~~^~~~~~~~~~~~~~~~~~ main.cpp:40:11: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] if(litera == cuv[poz]) ^ main.cpp: In function 'void generator(int)': main.cpp:82:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < a[nod.st].size(); i ++) ~~^~~~~~~~~~~~~~~~~~