# include & ltmath.h & gt
void main()
{
Unsigned int a, bai, shi, ge, sum// define unsigned shaping, where a is the data to be processed, bai is 100 bit, shi is 10 bit, ge is one bit, and sum is the sum of all bits.
scanf("d% ",& ampa); //input data a
White = a/100; //plastic division, the result is rounded and the hundreds are separated.
History = (a/10)%10; //Divide the two bits consisting of hundreds and bits by 10, and divide them into ten bits.
ge = a % 10; //Divide directly by 10 to separate bits.
Sum = white+stone+kudzu; //Add these three bits to get the desired result.
printf("d% ",sum); //output results
}