Compilare: user.cpp: In function ‘int cmp(int*, int*)’: user.cpp:84:12: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (A[i] != B[i]) ^ user.cpp: In function ‘int main()’: user.cpp:226:13: warning: variable ‘D’ set but not used [-Wunused-but-set-variable] int D, X0, Y0; ^ user.cpp:173:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eval.in", "rt", stdin); ^ user.cpp:174:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("eval.out", "wt", stdout); ^ user.cpp:176:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:179:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf(" %s", tmp); ^ user.cpp:203:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf(" %s", tmp); ^