Compilare: user.c: In function ‘Precalculate’: user.c:126:10: warning: operation on ‘partial’ may be undefined [-Wsequence-point] Sum[ ++partial ] = Sum[ partial - 1 ] + div; ^ user.c:147:14: warning: operation on ‘partial’ may be undefined [-Wsequence-point] Sum[ ++partial ] = Sum[ partial - 1 ] + div + ((div * step) != n); ^ user.c: In function ‘getChar’: user.c:67:14: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] fread(buff , 1 , Dragoste , fin); ^ user.c: In function ‘main’: user.c:177:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin , "%d %d " , &n , &Query ); ^ user.c:181:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d " , &Shoe[ i ] ); ^ user.c:191:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin , "%d %d" , &left , &right ); ^