# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1086321 | firegirlwaterboy | Rabbit Carrot (LMIO19_triusis) | C++14 | 19 ms | 5336 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
void solve() {
int n, k;
cin >> n >> k;
vector<int> poles(n);
for (int &p : poles) {
cin >> p;
}
vector<int> poss;
for (int i = 1; i <= n; i++) {
if (i * k >= poles[i - 1]) poss.push_back(i * k - poles[i - 1]);
}
vector<int> ans;
for (int i : poss) {
int pos = upper_bound(ans.begin(), ans.end(), i) - ans.begin();
if (pos == ans.size()) {
ans.push_back(i);
} else {
ans[pos] = i;
}
}
cout << n - ans.size() << "\n";
}
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}
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