#include <iostream>
#include <cstdint>
using namespace std;

class Reg8{
    private:
        uint8_t value;

    public:
        Reg8(): value(0){}

        void write(uint8_t v){
            value = v;
        }

        uint8_t read(){
            return value;
        }

        void setBit(int bit){
            if(bit >= 0 && bit <= 7){
                value |= (1 << bit);
            }
        }

        void clearBit(int bit){
            if(bit >= 0 && bit <= 7){
                value &= ~(1 << bit);
            }
        }
};
int main() {
    int initialValue;
    int bitToSet, bitToClear;

    cin >> initialValue >> bitToSet >> bitToClear;

    Reg8 reg;
    reg.write(static_cast<uint8_t>(initialValue));
    reg.setBit(bitToSet);
    reg.clearBit(bitToClear);

    cout << static_cast<int>(reg.read());
    return 0;
}

Solving Approach

 

 

 

 

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Input

10 1 3

Expected Output

2