Compilare: main.cpp: In function 'bool calc(char*, int*, int, int)': main.cpp:85:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<v.size(); i++) ~^~~~~~~~~ main.cpp:91:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=1; i<rez.size(); i++) ~^~~~~~~~~~~ main.cpp: In function 'void verif(int)': main.cpp:102:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = aux[k-1] + 1; i < var.size(); i++) ~~^~~~~~~~~~~~ main.cpp:110:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (k < var.size() - 1) ~~^~~~~~~~~~~~~~~~