Submission #1014111

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1014111	2024-07-04 10:55:51	Aiperiii	Building 4 (JOI20_building4)	C++14	100 / 100	169 ms	68936 KiB

building4

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#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(),x.end()
#define ff first
#define ss second
#define pb push_back
using namespace std;
const int N=5e5+5;
pair <int,int> dp[N*2][2];
signed main(){
   ios_base::sync_with_stdio(0);
   cin.tie(0);cout.tie(0);
    int n;
    cin>>n;
    vector <int> a(n*2+1),b(n*2+1);
    for(int i=1;i<=n*2;i++){
        cin>>a[i];
    }
    for(int i=1;i<=n*2;i++){
        cin>>b[i];
    }
    dp[1][0]={0,0};
    dp[1][1]={1,1};
    for(int i=2;i<=n*2;i++){
        dp[i][0]={1e9,-1e9};
        dp[i][1]={1e9,-1e9};
    }
    for(int i=2;i<=n*2;i++){
        if(a[i]>=a[i-1]){
            dp[i][0].ff=min(dp[i][0].ff,dp[i-1][0].ff);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 89 / 89