Submission #1008387

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1008387	2024-06-26 10:42:44	giorgi_pkhaladze	Building 4 (JOI20_building4)	C++17	11 / 100	37 ms	4432 KiB

building4

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#include <bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define ff first
#define ss second
using namespace std;
int n,m,k,i,j,ans,a[2][50005],d[2][50005][2];
int main() {
  cin>>n;
  n*=2;
  for(k=1; k<=n; k++)
    cin>>a[1][k];
  for(k=1; k<=n; k++)
    cin>>a[0][k];
  for(k=1; k<=n; k++){
    for(i=0; i<=1; i++){
      d[i][k][0]=n+1; 
      d[i][k][1]=-1;
      for(j=0; j<=1; j++){
        if(a[j][k-1]<=a[i][k]){
          d[i][k][0]=min(d[i][k][0],d[j][k-1][0]+i);
          d[i][k][1]=max(d[i][k][1],d[j][k-1][1]+i);
        }
      }
    }
  }
  int sz=-1;
  int pos=-1;
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 0 / 89