Submission #433285

#	Time	Username	Problem	Language	Result	Execution time	Memory
433285		fvogel499	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	100 ms	2616 KiB

triusis

/*
File created on 06/19/2021 at 14:09:08.
Link to problem: https://oj.uz/problem/view/LMIO19_triusis
Description: 
Time complexity: O()
Space complexity: O()
Status: DEV
Copyright: Ⓒ 2021 Francois Vogel
*/

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <functional>

using namespace std;
using namespace __gnu_pbds;

#define pii pair<int, int>
#define f first
// #define s second

#define pb push_back
#define ins insert
#define cls clear

#define ll long long

typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;

signed main() {
    cin.tie(0);
    // ios_base::sync_with_stdio(0);

    int n, m;
    cin >> n >> m;
    vector<int> b;
    for (int i = 0; i < n; i++) {
        int v;
        cin >> v;
        int x = m*(i+1)-v;
        if (x >= 0) b.pb(x);
    }
    vector<int> s;
    for (int i : b) {
        int p = upper_bound(s.begin(), s.end(), i)-s.begin();
        if (p == s.size()) s.pb(i);
        else s[p] = i;
    }
    cout << n-s.size();

    int d = 0;
    d++;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:47:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |         if (p == s.size()) s.pb(i);
      |             ~~^~~~~~~~~~~

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