Submission #1099480

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1099480	2024-10-11 11:49:57	NoMercy	Discharging (NOI20_discharging)	C++17	20 / 100	76 ms	16004 KiB

Discharging

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MAXN = 1e6 + 55;
ll dp[MAXN], T[MAXN];
ll f (array<ll, 2> line, ll x) {
  return line[0] * x + line[1];
}
long double inters (array<ll, 2> line1, array<ll, 2> line2) {
  return (line2[1] - line1[1]) / (line1[0] - line2[0]);
}
struct Hull {
  deque<array<ll, 2>> dq;
  int query (ll x) {
    while ((int)dq.size() > 1 && f(dq[0], x) > f(dq[1], x)) dq.pop_front();
    return f(dq[0], x);
  }
  void insert (array<ll, 2> line) {
    while (dq.size() > 1 && inters(line, dq.back()) <= inters(line, dq[dq.size() - 2])) dq.pop_back();
    dq.push_back(line);
  }
};
int32_t main () {
    ios_base::sync_with_stdio(0); 
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 0 / 13
• Subtask 3: 0 / 25
• Subtask 4: 11 / 11
• Subtask 5: 0 / 14
• Subtask 6: 0 / 28