Compilare: user.cpp: In function ‘long long unsigned int inm(long long unsigned int, long long unsigned int, long long unsigned int)’: user.cpp:9: warning: suggest parentheses around comparison in operand of ‘&’ user.cpp: In function ‘void high()’: user.cpp:24: warning: suggest parentheses around comparison in operand of ‘&’ user.cpp: In function ‘int main()’: user.cpp:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result