Submission #855529

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
855529	2023-10-01 11:46:17	tvladm2009	Giraffes (JOI22_giraffes)	C++17	59 / 100	30 ms	111448 KiB

giraffes

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 300 + 7;
int a[N], pos[N], dp[N][N][N];
int main() {
#ifdef ONPC
  freopen("input.txt", "r", stdin);
#else
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#endif // ONPC
  int n;
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> a[i];
    pos[a[i]] = i;
  }
  for (int len = 1; len <= n; len++) {
    for (int l = 1; l + len - 1 <= n; l++) {
      for (int t = 1; t <= 300 && t + len - 1 <= n; t++) {
        int r = l + len - 1;
        int tt = t + len - 1;
        if (a[l] == t) {
          dp[len][l][t] = dp[len - 1][l + 1][t + 1] + 1;
        } else if (a[r] == t) {
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 22 / 22
• Subtask 3: 27 / 27
• Subtask 4: 0 / 41