Compilare: user.cpp: In function ‘void Precalculate()’: user.cpp:126:48: warning: operation on ‘partial’ may be undefined [-Wsequence-point] Sum[ ++partial ] = Sum[ partial - 1 ] + div; ^ user.cpp:147:74: warning: operation on ‘partial’ may be undefined [-Wsequence-point] Sum[ ++partial ] = Sum[ partial - 1 ] + div + ((div * step) != n); ^ user.cpp: In function ‘char getChar(FILE*)’: user.cpp:67:41: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buff , 1 , Dragoste , fin); ^