Submission #996623

#	Time	Username	Problem	Language	Result	Execution time	Memory
996623		vjudge1	Rabbit Carrot (LMIO19_triusis)	C++17	100 / 100	57 ms	5320 KiB

triusis

#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define ll long long
#define f first
#define s second

int main() {
  int n, m;
  cin >> n >> m;
  vector<ll> v;
  for (int i = 1; i <= n; i++) {
    ll a;
    cin >> a;
    v.pb((a - (m * i)));
  }
  reverse(v.begin(), v.end());
  vector<ll> v1;
  for (int i : v) {
    if (i <= 0) {
      int pos = upper_bound(v1.begin(), v1.end(), i) - v1.begin();
      if (pos == v1.size()) {
        v1.pb(i);
      } else {
        v1[pos] = i;
      }
    }
  }
  cout << n - v1.size() << endl;
}

Compilation message (stderr)

triusis.cpp: In function 'int main()':
triusis.cpp:22:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |       if (pos == v1.size()) {
      |           ~~~~^~~~~~~~~~~~

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