作业要求 触发器
mysql> create trigger after_order_insert -> after insert on orders -> for each row -> update goods set num num - new.onum where gid new.gid; mysql> create trigger after_order_delete -> after delete on or…
A 牛客传送门 代码如下:
const int N2e610,M1e410;
const int INF0x3f3f3f3f;
const int mod998244353;
ll n;void solve(){map<int,int>mp;mp[1]mp[2]mp[3]mp[5]mp[6]1;for(int i1;i<7;i){int a…