Compilare: user.cpp: In function ‘int final(int)’: user.cpp:39:21: warning: suggest parentheses around ‘+’ inside ‘>>’ [-Wparentheses] int mij = B + j >> 1; ^ user.cpp: In function ‘int main()’: user.cpp:55:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("banda.in", "r", stdin); ^ user.cpp:57:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d %d", &N, &K, &C); ^ user.cpp:58:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", C == 1 ? &s1 : &f2); ^