soricel1.cpp: In function 'int main()': soricel1.cpp:44: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result soricel1.cpp:45: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result soricel1.cpp:51: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel1.cpp:52: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel1.cpp:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel1.cpp:59: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel1.cpp:62: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel1.cpp:66: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result soricel1.cpp:46: warning: 'nrord' may be used uninitialized in this function soricel1.cpp:68: warning: 'nrord2' may be used uninitialized in this function