Submission #292346

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
292346	2020-09-06 20:55:30	VodkaInTheJar	Horses (IOI15_horses)	C++14	100 / 100	907 ms	53496 KiB

horses

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#include <bits/stdc++.h>
 
using namespace std;
const int maxn = 5e5 + 3; 
const int mod = 1e9 + 7; 
int n, x[maxn], y[maxn];
set <int> s;
pair <int, int> tr[maxn * 4];
void merge(int v)
{
  tr[v].first = max(tr[v * 2].first, tr[v * 2 + 1].first);
  tr[v].second = 1ll * tr[v * 2].second * tr[v * 2 + 1].second % mod;
}
void build(int v, int l, int r)
{
  if (l == r)
  {
    tr[v] = {y[l], x[l]};
    return;
  }
  
  int mid = (l + r) / 2;
  build(v * 2, l, mid);
  build(v * 2 + 1, mid + 1, r);
  
  merge(v);
 
 
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Compilation message (stderr)

horses.cpp: In function 'void merge(int)':
horses.cpp:15:63: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   15 |  tr[v].second = 1ll * tr[v * 2].second * tr[v * 2 + 1].second % mod;
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int get2(int, int, int, int, int)':
horses.cpp:54:81: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   54 |  return 1ll * get2(v * 2, l, mid, ll, rr) * get2(v * 2 + 1, mid + 1, r, ll, rr) % mod;
      |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~
horses.cpp: In function 'int get()':
horses.cpp:146:38: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
  146 |   return 1ll * (ans % mod) * to_mult % mod;
      |          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~

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