palindromuri.cpp: In function 'int main()': palindromuri.cpp:85: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result palindromuri.cpp:86: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result palindromuri.cpp:87: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result palindromuri.cpp: In function 'long long int P(long long int)': palindromuri.cpp:37: warning: array subscript is below array bounds