Method setPruning

app/src/main/java/solver/Utils.java:26–28

(int[] table, int index, int value)

    }

    public static void setPruning(int[] table, int index, int value) {
        table[index >> 3] ^= (15 ^ value) << ((index & 7) << 2);
    }

    public static int getBit(int[] arr, int idx) {
        return arr[idx >> 5] & (1 << (idx & 0x1f));