A C program contains the following statements: #include 〈stdio. h⟩int i, j; long ix; short s; unsigned u; float x; double dx; char c; Write an appropriate scanf function to accommodate each of the following situations, assuming that all integers will be read in as decimal quantities. (a) Enter values for i, j, x and dx, assuming that each integer quantity does not exceed four characters, the floating-point quantity does not exceed eight characters, and the double-precision quantity does not exce