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# 1212. Team Scores in Football Tournament

<https://leetcode.com/problems/team-scores-in-football-tournament>

## Description

Table: `Teams`

```
+---------------+----------+
| Column Name   | Type     |
+---------------+----------+
| team\_id       | int      |
| team\_name     | varchar  |
+---------------+----------+
team\_id is the primary key of this table.
Each row of this table represents a single football team.
```

Table: `Matches`

```
+---------------+---------+
| Column Name   | Type    |
+---------------+---------+
| match\_id      | int     |
| host\_team     | int     |
| guest\_team    | int     | 
| host\_goals    | int     |
| guest\_goals   | int     |
+---------------+---------+
match\_id is the primary key of this table.
Each row is a record of a finished match between two different teams. 
Teams host\_team and guest\_team are represented by their IDs in the teams table (team\_id) and they scored host\_goals and guest\_goals goals respectively.
```

You would like to compute the scores of all teams after all matches. Points are awarded as follows:

* A team receives three points if they win a match (Score strictly more goals than the opponent team).
* A team receives one point if they draw a match (Same number of goals as the opponent team).
* A team receives no points if they lose a match (Score less goals than the opponent team).

Write an SQL query that selects the **team\_id**, **team\_name** and **num\_points** of each team in the tournament after all described matches. Result table should be ordered by **num\_points** (decreasing order). In case of a tie, order the records by **team\_id** (increasing order).

The query result format is in the following example:

```
Teams table:
+-----------+--------------+
| team\_id   | team\_name    |
+-----------+--------------+
| 10        | Leetcode FC  |
| 20        | NewYork FC   |
| 30        | Atlanta FC   |
| 40        | Chicago FC   |
| 50        | Toronto FC   |
+-----------+--------------+
Matches table:
+------------+--------------+---------------+-------------+--------------+
| match\_id   | host\_team    | guest\_team    | host\_goals  | guest\_goals  |
+------------+--------------+---------------+-------------+--------------+
| 1          | 10           | 20            | 3           | 0            |
| 2          | 30           | 10            | 2           | 2            |
| 3          | 10           | 50            | 5           | 1            |
| 4          | 20           | 30            | 1           | 0            |
| 5          | 50           | 30            | 1           | 0            |
+------------+--------------+---------------+-------------+--------------+
Result table:
+------------+--------------+---------------+
| team\_id    | team\_name    | num\_points    |
+------------+--------------+---------------+
| 10         | Leetcode FC  | 7             |
| 20         | NewYork FC   | 3             |
| 50         | Toronto FC   | 3             |
| 30         | Atlanta FC   | 1             |
| 40         | Chicago FC   | 0             |
+------------+--------------+---------------+
```

## ac

```java
```


---

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