Submission #990673

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
990673	2024-05-31 01:27:02	starchan	Fish 3 (JOI24_fish3)	C++17	100 / 100	551 ms	111956 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
#define int long long
#define in array<int, 2>
#define pb push_back
#define pob pop_back
#define INF (int)1e17
#define fast() ios_base::sync_with_stdio(false); cin.tie(NULL)
const int LOGM = 19;
const int MX = 3e5+5;
signed main()
{
  fast();
  int n, d;
  cin >> n >> d;
  vector<int> c(n+1); vector<int> off(n+1, 0);
  for(int i = 1; i <= n; i++)
    cin >> c[i];
  
  vector<int> a(n+1), pref(n+1, 0); pref[1] = a[1] = c[1]/d;
  for(int i = 2; i <= n; i++)
  {
    off[i] = off[i-1] + ((c[i]%d) < (c[i-1]%d));
    a[i] = (c[i]/d) - off[i];
    pref[i] = a[i] + pref[i-1];
  }
  //immediate left that is smaller.
 
 
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• Subtask 1: 9 / 9
• Subtask 2: 7 / 7
• Subtask 3: 28 / 28
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36