Compilare: user.cpp:14:19: warning: suggest parentheses around ‘+’ inside ‘<<’ [-Wparentheses] #define maxDim (1 << 20 + 1) ^ user.cpp:17:10: note: in expansion of macro ‘maxDim’ int vals[maxDim]; ^ user.cpp: In function ‘int main()’: user.cpp:41:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bile3.in","r",stdin); ^ user.cpp:42:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bile3.out","w",stdout); ^ user.cpp:44:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^