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#include <iostream>
#include <string>
#include <unordered_map>
#include <vector>
#include <algorithm>
#include <cstring>
using namespace std;
typedef long long int ll;
int cnt = 1;
int M, N;
unordered_map<ll, int> database;
int q, w, e, r;
int getid(int a, int b, int c, int d)
{
ll id = a * 256 * 256 * 256 + b * 256 * 256 + c * 256 + d;
if (database[id] == 0)
{
database[id] = cnt;
++cnt;
}
return database[id];
}
vector<int> agent;
vector<int> server;
char ad[16];
int dp[6000][1010];
int DP(int step, int A)
{
if (dp[step][A] != 99999)
{
return dp[step][A];
}
if (server[step] == A)
{
...
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