Identify a 5-bit pattern, given a bit stream, accessible by function uint8_t getBits(), which returns 4 bits at a time.

Question

Revish · Accepted Answer

static int flag = 0;
int matchPattern (char bitStream[]) //bitstream obtained from the function that returns 4 bits
{    
    
    //extract the first 4 bits of the 5-bit pattern value to be matched in the string Pattern 2

    
    if(flag==1 && bitStream[0]==Pattern[4[)     //When the next stream occurs match it with the last 
                                                                                                        bit of the pattern
      return 1;   

     if(!strcmpi(bitStream,Pattern2))
        flag=1;
}

Ambu Sreedharan · Answer

#include
#include
#include
using namespace std;
int numMatches(vector get_bits, unsigned char pattern){
        unsigned char stream = 0x00;
        int counter = 0;
        for(int i = 0; i0?1:0);
                        if ((pattern & stream) == pattern){
                                counter++;
                        }
                }
                pattern = pattern >> 3;
        }
        return counter;
}
int main(){
        vector get_bits;
        get_bits.push_back(0x0F);
        get_bits.push_back(0x0D);
        get_bits.push_back(0x0F);
        get_bits.push_back(0x00);
        unsigned char pattern = 0x1F;
        cout<

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