DROP PROCEDURE IF EXISTS mywhile; CREATE PROCEDURE mywhile () BEGIN DECLARE i INT default 0; outer_label: BEGIN #设置一个标记并设置开始 while i<10 DO SET i = i + 1; IF i > 2 THEN select '跳出循环' column1; LEAVE o
链接:http://codeforces.com/problemset/problem/443/B Kolya and Tandem Repeat time limit per test:2 seconds memory limit per test:256 megabytes input:standard input output:standard output