ecuatii.cpp: In function 'int main()': ecuatii.cpp:13: warning: format '%s' expects type 'char*', but argument 2 has type 'char (*)[256]' ecuatii.cpp:24: warning: comparison between signed and unsigned integer expressions ecuatii.cpp:7: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ecuatii.cpp:8: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result ecuatii.cpp:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result ecuatii.cpp:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result