Compilare: main.cpp: In function 'int main()': main.cpp:31:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 1; i < v.size(); i ++) { ~~^~~~~~~~~~ main.cpp:36:54: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while((i - p[i] - 1) >= 0 && ( i + p[i] + 1) < v.size() && v[i + p[i] + 1] == v[i - p[i] - 1]) ~~~~~~~~~~~~~~~~^~~~~~~~~~