Compilare: user.cpp:3:20: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define CONFIGMAX 1<<17 ^ user.cpp:8:7: note: in expansion of macro ‘CONFIGMAX’ int d[CONFIGMAX + 5]; ^ user.cpp: In function ‘int main()’: user.cpp:13:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("zebughil.in", "r", stdin); ^ user.cpp:14:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("zebughil.out", "w", stdout); ^ user.cpp:18:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d%d", &N, &G); ^ user.cpp:20:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &vg[i]); ^