Submission #1135736

#	Time	Username	Problem	Language	Result	Execution time	Memory
1135736		tvladm	Rabbit Carrot (LMIO19_triusis)	C++20	63 / 100	1095 ms	2736 KiB

triusis

#include <bits/stdc++.h>

#define F first
#define S second

using namespace std;
using ll = long long;
using pi = pair<int, int>;
using vi = vector<int>;

template<class T> bool ckmin(T& a, T b) { return b < a ? a = b, true : false; }
template<class T> bool ckmax(T& a, T b) { return a < b ? a = b, true : false; }

int main() {
    ios::sync_with_stdio(0); cin.tie(0);
    
    ll n, m; cin >> n >> m;
    vector<ll> a(n + 1);
    for (int i = 1; i <= n; ++i) cin >> a[i];
    
    for (int i = 1; i <= n; ++i) a[i] -= i * m;
    
    vector<int> dp(n + 1, -1e9);
    dp[0] = 0;
    for (int i = 1; i <= n; ++i) {
        for (int j = 0; j < i; ++j) {
            if (a[i] <= a[j]) {
                dp[i] = max(dp[i], dp[j] + 1);
            }
        }
    }
    int ans = 0;
    for (int i = 1; i <= n; ++i) ckmax(ans, dp[i]);
    cout << n - ans << "\n";
}

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