prieteni3.cpp: In function 'int main()': prieteni3.cpp:8: warning: unused variable 'mmm' prieteni3.cpp:8: warning: unused variable 'a' prieteni3.cpp:8: warning: unused variable 'b' prieteni3.cpp:6: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result prieteni3.cpp:7: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result prieteni3.cpp:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result prieteni3.cpp:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result prieteni3.cpp:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result