Compilare: user.cpp:4:29: warning: integer overflow in expression [-Woverflow] const int INF = (1 << 31) - 1; ^ user.cpp: In function ‘int main()’: user.cpp:34:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ user.cpp:36:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%f\n", a + i); ^ user.cpp:58:20: warning: ‘bias’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i = bias +1; i <= n; i++) ^