제출 #921204

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
921204	2024-02-03 13:43:18	PM1	Seesaw (JOI22_seesaw)	C++17	100 / 100	142 ms	16316 KiB

seesaw

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;
#define ll long double
#define fr first
#define sc second
const int mxn=2e5+5;
int n,a[mxn];
ll ps[mxn],mx,ans=1e9;
vector<pair<ll,ll>>v;
int main(){
  cin>>n;
  for(int i=1;i<=n;i++){
    cin>>a[i];
    ps[i]=ps[i-1]+a[i];
  }
  for(int i=1;i<n;i++){
    int L=1,R=n-i+1;
    while(R-L>1){
      int mid=(L+R)/2;
      ll x=(ps[mid+i-1]-ps[mid-1])/(ll)i;
      if(x<=(ps[n]/(ll)n))
        L=mid;
      else
        R=mid;
    }
    ll x=(ps[L+i-1]-ps[L-1])/i,y=(ps[L+i]-ps[L])/(ll)i;
    v.push_back({x,y});
    //cout<<x<<" "<<y<<endl;
  }
  v.push_back({ps[n]/(ll)n,ps[n]/(ll)n});
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 1 / 1
• Subtask 2: 33 / 33
• Subtask 3: 33 / 33
• Subtask 4: 33 / 33