Submission #785154

#TimeUsernameProblemLanguageResultExecution timeMemory
785154andecaandeciGlobal Warming (CEOI18_glo)C++17
15 / 100
2072 ms3428 KiB
#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main() {
  ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
  int n, x; cin >> n >> x;
  vector<int> a(n); for(int &p : a) cin >> p;
  vector<int> dp; int ans=1;
  for(int i=0; i<n; i++) {
    for(int j=i; j<n; j++) {
      dp.clear();
      vector<int> temp=a;
      for(int k=i; k<=j; k++) temp[k]+=x;
      for(int p : temp) {
        auto it=lower_bound(dp.begin(), dp.end(), p);
        if(it==dp.end()) dp.push_back(p);
        else *it=p;
      }
      ans=max(ans, (int)dp.size());
    }
  }
  cout << ans << '\n';
    return 0;
}
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