poze.cpp: In function 'void read()': poze.cpp:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result poze.cpp:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result poze.cpp: In function 'int main()': poze.cpp:135: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result poze.cpp:136: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result poze.cpp:139: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result