Submission #1088775

#	Time	Username	Problem	Language	Result	Execution time	Memory
1088775		vjudge1	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	21 ms	5588 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

const int MAX_N = 2*1e6;

ll n, m;
vector<ll> a;

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

    cin >> n >> m;

    for(ll i=1; i<=n; i++){
        ll x; cin >> x;
        if(i*m >= x){
            a.push_back(i*m-x);
        }
    }

    vector<int> dp;
    
    for(int i: a){
        int pos = upper_bound(dp.begin(), dp.end(), i) - dp.begin();
        if(pos==dp.size()){
            dp.push_back(i);
        }
        else{
            dp[pos] = i;
        }
        
    }

    cout << n-dp.size() << endl;


}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:27:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |         if(pos==dp.size()){
      |            ~~~^~~~~~~~~~~

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