Submission #972763

#	Time	Username	Problem	Language	Result	Execution time	Memory
972763		jadai007	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	23 ms	3904 KiB

triusis

#include<bits/stdc++.h>

using namespace std;

int n,m,height[200200], dp[200200], p;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> m;
    for(int i = 1; i<=n; ++i){
        cin >> height[i];
        height[i] = -(height[i] - m*i);
    }
    for(int i=1; i<=n; i++){
        if(height[i] < 0) continue;
        int idx = upper_bound(dp, dp+p, height[i]) - dp;
        if(idx == p) p++;
        dp[idx] = height[i];
    }
    cout << n - p;
}

• Subtask 1: 14 / 14
• Subtask 2: 21 / 21
• Subtask 3: 28 / 28
• Subtask 4: 37 / 37