Submission #1078811

#	Time	Username	Problem	Language	Result	Execution time	Memory
1078811		LittleOrange	Radio Towers (IOI22_towers)	C++17	11 / 100	4064 ms	1616 KiB

towers

#include "towers.h"

#include <vector>
#include<bits/stdc++.h>
using namespace std;
using ll = int;
ll n;
vector<ll> h;

void init(int N, std::vector<int> H) {
  n = N;
  h = H;
}

int max_towers(int L, int R, int D) {
  vector<ll> dp(R-L+1,1);
  for(ll i = L+2;i<=R;i++){
    ll mx = 0;
    for(ll j = i-1;j>=L;j--){
      if (mx>=max(h[i],h[j])){
        dp[i-L] = max(dp[i-L],dp[j-L]+1);
      }
      mx = max(mx,h[j]-D);
    }
  }
  ll ans = 0;
  for(ll i : dp) ans = max(i,ans);
  return ans;
}

• Subtask 1: 0 / 4
• Subtask 2: 11 / 11
• Subtask 3: 0 / 12
• Subtask 4: 0 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23