Submission #413712

#	Time	Username	Problem	Language	Result	Execution time	Memory
413712		duyanh1704	Rabbit Carrot (LMIO19_triusis)	C++14	0 / 100	1 ms	204 KiB

triusis

#include <bits/stdc++.h>
#define int long long
using namespace std;

const int inf = 1e18 + 9;
int n, m, res;
int a[200005];

signed main(){
    ios::sync_with_stdio(0); cin.tie(0);
    cin >> n >> m;
    for (int i = 1; i <= n; ++i){
        int x; cin >> x;
        a[i] = m * i - x;
    }

    vector<int> f(n + 5, inf);
    f[0] = -inf;
    for (int i = 1; i <= n; ++i){
        int k = upper_bound(f.begin(), f.end(), a[i]) - f.begin();
        res = max(res, k);
        f[k] = a[i];
    }

    cout << n  - res;
}

• Subtask 1: 0 / 14
• Subtask 2: 0 / 21
• Subtask 3: 0 / 28
• Subtask 4: 0 / 37