统计用户获得积分

drop table if exists  `visit_tb` ; 
CREATE TABLE `visit_tb` (
`info_id` int(11) NOT NULL,
`user_id` int(11) NOT NULL,
`visit_time` datetime NOT NULL,
`leave_time` datetime NOT NULL,
PRIMARY KEY (`info_id`));
INSERT INTO visit_tb VALUES(0911,10,'2022-09-01 08:00:00','2022-09-01 09:02:00'); 
INSERT INTO visit_tb VALUES(0912,11,'2022-09-01 08:30:00','2022-09-01 09:10:00'); 
INSERT INTO visit_tb VALUES(0913,12,'2022-09-01 09:50:00','2022-09-01 10:12:00'); 
INSERT INTO visit_tb VALUES(0914,13,'2022-09-01 11:40:00','2022-09-01 12:22:00'); 
INSERT INTO visit_tb VALUES(0921,11,'2022-09-02 10:30:00','2022-09-02 11:05:00'); 
INSERT INTO visit_tb VALUES(0922,11,'2022-09-02 12:00:00','2022-09-02 12:02:00'); 
INSERT INTO visit_tb VALUES(0923,12,'2022-09-02 11:40:00','2022-09-02 13:15:00'); 
INSERT INTO visit_tb VALUES(0924,13,'2022-09-02 09:00:00','2022-09-02 09:02:00'); 
INSERT INTO visit_tb VALUES(0925,14,'2022-09-02 10:00:00','2022-09-02 10:40:00'); 
INSERT INTO visit_tb VALUES(0931,10,'2022-09-03 09:00:00','2022-09-03 09:22:00'); 
INSERT INTO visit_tb VALUES(0932,11,'2022-09-03 08:30:00','2022-09-03 09:10:00'); 
INSERT INTO visit_tb VALUES(0933,13,'2022-09-03 09:00:00','2022-09-03 09:32:00'); 

user_id|point
11|11
12|11
10|8
13|7
14|4