Does anyone know how we can assign nodes for binomial tree number. I mean, how can we represent the number of nodes per array? Please give me a hint, I'm really confused.

# Tag: number

## How to find number calls for a given tag in Google Voice, rather than counting them all

Is there a way to count them individually in Google Voice instead of counting them?

I used Hangout to make calls, and call history appears in Google Voice. However, I have to count individually to determine the number of calls for that day.

I have to sort this problem if counting is not required.

## Bubble sorting: how to calculate the number of comparisons and swaps?

For a given sequence 1, N, 2, N-1, 3, N-2, … I would like to calculate the number of comparisons and swaps for bubble sorting. How can I achieve this with $ theta () $ Notation? I would know it for every sequence, but not for a specific one.

## What would affect the number of hash generations with leading zeros when Bitcoin increases its nonce size from 32 to 60 or 100 bits?

If Bitcoin increases the nonce size of 32 bits to double or triple the size, how does this affect the speed at which the right hash is detected with the required number of zeros?

## google sheets – project reference number generator online

I have a construction business and a team of contractors. We are constantly faced with a problem where contractors are unsure which project reference number to assign to their projects to ensure accuracy rather than having two projects with the same number.

I was wondering if there could be a database and user input function where all the details can be entered and which will generate the next project reference. No, while also the details and the number are stored in the database.

You also wonder if the database can also be used to automatically generate the project work order form.

Can Google forms and sheets do this?

I have a subscription to wix so I can host it on my website. I also have a subscription to a cloud service.

Please recommend a solution to my problem.

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## php – SQL Injection Username and account number to change the password

I want the user to enter their account number and username to confirm their identity and change the password.

The code works if I only enter the user name to be confirmed, but I can not seem to get the extra injection in the sql to work.

```
```
I want the SQL to say that `WHERE account = ? AND username = ?;`

But it does not work. I tried everything that came to mind. I have been here for a week. Please help.

```
// Prepare an update statement
$sql = "UPDATE vendors SET password = ? WHERE account = ?";
```

I'm not sure if it's the way I issue the variables or if I put it wrong, that it just does not complete it if I add the username option.

```
if($stmt = mysqli_prepare($link, $sql)){
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "si", $param_password, $param_account);
// Set parameters
$param_password = password_hash($new_password, PASSWORD_DEFAULT);
$param_account = $account;
// Attempt to execute the prepared statement
if(mysqli_stmt_execute($stmt)){
// Store result
mysqli_stmt_store_result($stmt);
// Check if account exists, if yes then verify password
if(mysqli_stmt_num_rows($stmt) !== 1){
// Bind result variables
mysqli_stmt_bind_result($account);
// submited
session_start();
// Store data in session variables
$_SESSION("loggedin") = true;
$_SESSION("id_users") = $id_users;
$_SESSION("account") = $account;
echo "you made it";
} else{
// Display an error message if password is not valid
$password_err = "The password you entered was not valid.";
}
}
} else{
// Display an error message if account doesn't exist
$account_err = "No account found with that Security Number.";
}
} else{
echo "Oops! Something went wrong. Please try again later.";
}
// Close statement
mysqli_stmt_close($stmt);
}
// Close connection
mysqli_close($link);
?>
```

```
```

```
```

```
```
## Number theory – Can we rewrite the ABC conjecture?

The ABC conjecture states that:

**guess**: Given, no $ ε> 0 $Then there is a constant $ C_ {ε}> 0 $ so for every triple the positive integers $ x, y, z $, satisfying $ x + y = z $ and $ gcd (x, y, z) = 1 $ we have

$$ z <C_ {ε} (rad (xyz)) ^ {1 + ε} $$

Where $ rad (xyz) $ denote the product of all divisors of $ xyz $,

To let $ D $ be the sentence of $ xyz $triple review

$$ z> rad (xyz) ^ {1 + ε} $$

This assumption is equivalent to:

**guess**: For each $ ε> 0 $. $ D $ has a finite number of elements

My question is: Can we rewrite the last version of the conjecture to be of the form:

**guess**: For each $ ε> 0 $. $ S $ has a **infinitely** Number of elements

Where $ S $ is another sentence dependent on $ x, y, z $ and $ ε> 0 $,

## To optimize the number (*) by using only the foreign key index in PostgreSQL

I have a web app that uses a large number of data tables to connect to the database to retrieve data.

The problem is, however, that always first the total results have to be counted before the data can be paginated `limit`

and `offset`

Are there any kind of special indexes or configurations that always force the calculation of the count to index only, without relying on the end table? because now it seems that it ignores the index when it asks for the count.

## java – Minimum number of swaps required to bring the queue to its final state, not exceeding 2 swaps per element

**Scenario or problem definition:**

It is New Year and everyone is ready for the roller coaster ride in Wonderland! There are a number of people in the queue, and each person carries a sticker indicating their original position in the queue. The starting positions are increased from 1 in front of the line to n behind the line by 1.

Any person in the queue can bribe the person directly in front of them to swap positions. When two people change positions, they still wear the same sticker that marks their original positions in a line. One person can bribe at most two others. For example, if n = 8 and person bribe 5 person 4, the queue looks like this: 1,2,3,5,4,6,7,8.

Fascinated by this chaotic queue, you need to know the minimum number of bribes that have taken place to bring the queue to its current state!

**operation manual**

Complete the minimumBribes function in the editor below. An integer must be issued indicating the minimum number of required bribes. If the line configuration is not possible, it is too chaotic.

minimumBribes has the following parameters:

q: an array of integers

**input format**

The first line contains an integer, the number of test cases.

Each of the next pairs of lines is as follows: – The first line contains an integer, the number of people in the queue. The second line contains space-separated integers describing the final state of the queue.

**output format**

Issue an integer that specifies the minimum number of bricks required to bring the queue to its final state. Too messy if the condition is invalid, d. H. If a person must have bribed more than persons.

**Sample Input**

```
2
8
5 1 2 3 7 8 6 4
8
1 2 5 3 7 8 6 4
```

**example output**

```
Too chaotic
7
```

Basically, I'm trying to create a method that will accept the values of the queue in this (final) state and return the number of bricks needed to get to the final state, starting with 1,2,3,4 , 5, … Indicate if the number of bribes per person in the queue is not more than 2. Otherwise "too messy".

**The code that fails in some cases using Java streams is as follows. I want to know why I can not achieve the output with Java streams.**

```
static void minimumBribes(int() q) {
AtomicInteger bribeCount = new AtomicInteger(0);
AtomicReference
``` chaoticString = new AtomicReference();
IntStream.rangeClosed(1, q.length).forEach(i -> {
if (q(i - 1) > i) {
if (q(i - 1) - i > 2) {
chaoticString.set("Too chaotic");
} else {
bribeCount.addAndGet(q(i - 1) - i);
}
}
});
if (chaoticString.get() == "Too chaotic")
System.out.print(chaoticString.get());
else
System.out.print(bribeCount.get());
}

**The code passed without using Java streams is given below:**

```
static void minimumBribes(int() q) {
for (int i = 0; i < q.length; i++) {
if (q(i) - (i + 1) > 2) {
System.out.println("Too chaotic");
return;
}
}
int bribe = 0;
for (int i = 0; i < q.length; i++) {
for (int j = i + 1; j < q.length; j++) {
if(q(i) > q(j)) {
q(j) = q(i) + q(j);
q(i) = q(j) - q(i);
q(j) = q(j) - q(i);
bribe++;
}
}
}
System.out.println(bribe);
}
**Below is the complete code except for the method:**
public class MaximumTwoBribesAllowedForMovingForwardInQueue {
//Method that needs to be filled in
static void minimumBribes(int() q) {
}
private static final Scanner scanner = new Scanner(System.in);
public static void main(String() args) {
int t = scanner.nextInt();
scanner.skip("(rn|(nru2028u2029u0085))?");
for (int tItr = 0; tItr < t; tItr++) {
int n = scanner.nextInt();
scanner.skip("(rn|(nru2028u2029u0085))?");
int() q = new int(n);
String() qItems = scanner.nextLine().split(" ");
scanner.skip("(rn|(nru2028u2029u0085))?");
for (int i = 0; i < n; i++) {
int qItem = Integer.parseInt(qItems(i));
q(i) = qItem;
}
minimumBribes(q);
}
scanner.close();
}
}
```

**Can you please help us to recommend changes to achieve this with Java streams?**

**Example input:**

```
2
8
5 1 2 3 7 8 6 4
8
1 2 5 3 7 8 6 4
```

**Expected correct issue:**

Too chaotic

7

**Actual wrong issue:**

Too chaotic

6

```
```