Compilare: user.cpp: In function ‘void precompute()’: user.cpp:14:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 2; i <= bun.size(); i++) ^ user.cpp: In function ‘bool gasit(int, int, long long int)’: user.cpp:64:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = stop; i <= a.size() - 1 && mere; i++) ^ user.cpp: In function ‘int main()’: user.cpp:82:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i <= a.size() - 1; i++) ^ user.cpp:84:44: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j <= a.size() - i - 1; j++) ^