Submission #588449

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
588449	2022-07-03 09:58:12	dozer	Exam (eJOI20_exam)	C++14	13 / 100	345 ms	197584 KiB

exam

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#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sp " "
#define endl "\n"
#define fileio() freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout)
#define fastio() cin.tie(0), ios_base::sync_with_stdio(0)
#define N 5005
#define pii pair<int, int>
#define st first
#define nd second
#define modulo 1000000007
#define LOGN 18
#define int long long
int a[N], b[N];
int dp[N][N];
map<int, int> val;
int f(int i, int j)
{
  if (i == 0 || j == 0) return 0;
  if (dp[i][j] != -1) return dp[i][j];
  int ans = f(i, j - 1);
  if (b[j] == a[i]) ans++;
  ans = max(ans, f(i - 1, min(j, i - 1)));
  return dp[i][j] = ans;
}
 
 
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