ecuatii.cpp: In function 'int main()': ecuatii.cpp:51: warning: format '%s' expects type 'char*', but argument 3 has type 'char (*)[260]' ecuatii.cpp:49: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ecuatii.cpp:51: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result ecuatii.cpp:47: warning: 'nr1' may be used uninitialized in this function