Submission #320010

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
320010	2020-11-07 09:13:20	jungsnow	Building Bridges (CEOI17_building)	C++14	0 / 100	50 ms	5348 KiB

building

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxm = 1e6 + 1;
const int maxn = 100001;
const ll oo = 1e18;
struct line {
  ll a, b;
  line () {}
  line (ll a, ll b) : a(a), b(b) {}
  ll get(ll x) {
    return a * x + b;
  }
} it[4 * maxm];
struct lichaotree {
  #define m ((l + r) >> 1)
  void init() {
    for (int i = 0; i < 4 * maxm; ++i) it[i].a = 0, it[i].b = oo; 
  }
  void insert(int node, int l, int r, line u) {
    bool lef = u.get(l) < it[node].get(l);
    bool mid = u.get(m) < it[node].get(m);
    if (mid) swap(u, it[node]);
    if (l == r) return;
    if (lef != mid) insert(node << 1, l, m, u);
    else insert(node << 1 | 1, m + 1, r, u);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 0 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40