Submission #880695

#	Time	Username	Problem	Language	Result	Execution time	Memory
880695		a5a7	Rabbit Carrot (LMIO19_triusis)	C++14	100 / 100	75 ms	8388 KiB

triusis

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

int main(){
    ll n, m;
    cin >> n >> m;
    ll a[n];
    for (int i = 0; i < n; i++) cin >> a[i];
    vector<ll> b;
    for (int i = 0; i < n; i++){
        if (m * (i+1) < a[i]) continue;
        b.push_back(m*(i+1)-a[i]);
    }
    vector<ll> dp;
    for (ll i : b){
        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:18:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |         if (pos == dp.size()){
      |             ~~~~^~~~~~~~~~~~

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