Compilare: user.cpp: In function ‘int main()’: user.cpp:26: warning: unused variable ‘q’ user.cpp:26: warning: unused variable ‘p’ user.cpp:26: warning: unused variable ‘c’ user.cpp:28: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:29: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:33: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:58: warning: ‘s’ is used uninitialized in this function user.cpp: In function ‘int min(int, int, int, int)’: user.cpp:9: warning: array subscript is above array bounds