Compilare: user.cpp: In function ‘void suffix_array()’: user.cpp:50: warning: array subscript has type ‘char’ user.cpp:51: warning: array subscript has type ‘char’ user.cpp: In function ‘void solve(int, int)’: user.cpp:138: warning: unused variable ‘nfp’ user.cpp: In function ‘int main()’: user.cpp:225: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:226: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:228: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:229: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:235: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:239: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result