Submission #719539

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
719539	2023-04-06 09:24:55	thimote75	Horses (IOI15_horses)	C++14	100 / 100	378 ms	74824 KiB

horses

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 "horses.h"
#include <bits/stdc++.h>
using namespace std;
#define ld long double
#define num long long
#define inf 1e9
const num MOD = 1e9 + 7;
vector<num> X;
vector<num> Y;
struct SGD {
  ld mx_ls = - inf;
  ld se_ls = - inf;
  num mx_pv = 0;
  num se_pv = 0;
  void merge (SGD &l, SGD &r) {
    se_ls = l.se_ls + r.se_ls;
    se_pv = (l.se_pv * r.se_pv) % MOD;
    mx_ls = max(l.mx_ls, r.mx_ls + l.se_ls);
    if (mx_ls == l.mx_ls) mx_pv = l.mx_pv;
    else mx_pv = (l.se_pv * r.mx_pv) % MOD;
  }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

horses.cpp: In constructor 'SegTree::SegTree(int)':
horses.cpp:39:16: warning: conversion from 'double' to 'int' may change value [-Wfloat-conversion]
   39 |   height = ceil(log2(size));
      |            ~~~~^~~~~~~~~~~~

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 20 / 20
• Subtask 4: 23 / 23
• Subtask 5: 23 / 23