Submission #1023028

#	Time	Username	Problem	Language	Result	Execution time	Memory
1023028		vjudge1	송신탑 (IOI22_towers)	C++17	11 / 100	4062 ms	1624 KiB

towers

#include "towers.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define pii pair<int, int>
#define ff first
#define ss second

int a[200100];
int n;
int dp[200100];


void init(int N, vector<int> H) {
    n = N;
    for(int i=0; i<n; i++) a[i + 1] = H[i];
}

int max_towers(int L, int R, int D) {
    L ++;
    R ++;
    dp[L-1] = 0;
    for(int i=L; i<=R; i++){
        int mx = 0;
        dp[i] = 1;
        for(int j=i-1; j>=L; j--){
            //cout<<i<<' '<<j<<' '<<mx<<'\n';
            if(mx - D >= a[i] and mx - D >= a[j]) dp[i] = max(dp[i], dp[j]+1);
            mx = max(mx, a[j]);
        }
    }
    int ans = 0;
    for(int i=L; i<=R; i++){
        ans = max(ans, dp[i]);
    }
    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