cuvinte1.cpp: In function 'int main()': cuvinte1.cpp:11: warning: unused variable 'ok' cuvinte1.cpp:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cuvinte1.cpp:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result cuvinte1.cpp:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cuvinte1.cpp:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cuvinte1.cpp:14: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result cuvinte1.cpp:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result cuvinte1.cpp:18: warning: ignoring return value of 'char* gets(char*)', declared with attribute warn_unused_result /tmp/cc4HCvY3.o: In function `main': cuvinte1.cpp:(.text+0x86): warning: the `gets' function is dangerous and should not be used.