Submission #578693

#	Time	Username	Problem	Language	Result	Execution time	Memory
578693		shubham20_03	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	34 ms	7488 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL);
#define deb(x) cout<<#x<<'='<<x<<'\n';
#define deb2(x,y) cout<<#x<<'='<<x<<", "<<#y<<'='<<y<<'\n';
#define int long long
#define all(x) (x).begin(), (x).end()
#define pii pair<int, int>
#define pb push_back
#define f first
#define s second
#define sz(x) (int)(x).size()
const long double PI = acos(-1);
const int mod = 1e9 + 7, inf = 1e18;
const int D = 2e5 + 10;

// UG - internal editorial
signed main() {
    fastio

    //freopen("../input1.txt", "r", stdin);
    //freopen("../output1.txt", "w", stdout);

    int n, m; cin >> n >> m;
    int a[n + 5] = {0};
    for (int i = 1; i <= n; i++)
        cin >> a[i];

    int b[n + 5] = {0};
    for (int i = 1; i <= n; i++)
        b[i] = m * i - a[i];

    vector<int> v;
    for (int i = 1; i <= n; i++) {
        if (b[i] < 0) continue;

        auto p = upper_bound(all(v), b[i]) - v.begin();
        if (p == sz(v)) v.pb(b[i]);
        else v[p] = b[i];
    }

    cout << n - sz(v) << '\n';

    return 0;
}

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