roboti1.cpp: In function 'void date()': roboti1.cpp:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result roboti1.cpp:16: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result roboti1.cpp: In function 'int main()': roboti1.cpp:114: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result roboti1.cpp:115: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result