conjectura.cpp: In function 'Huge getHuge()': conjectura.cpp:16: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result conjectura.cpp: In function 'int main()': conjectura.cpp:63: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result conjectura.cpp:64: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result conjectura.cpp:65: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result /tmp/ccY6UojV.o: In function `getHuge()': conjectura.cpp:(.text+0x1d0): warning: the `gets' function is dangerous and should not be used.