Submission #1099580

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1099580	2024-10-11 17:41:54	vladilius	Building 4 (JOI20_building4)	C++17	100 / 100	187 ms	44612 KiB

building4

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second
 
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int n; cin>>n;
    int m = 2 * n;
    vector<int> a(m + 1), b(m + 1);
    for (int i = 1; i <= m; i++) cin>>a[i];
    for (int i = 1; i <= m; i++) cin>>b[i];
    
    pii rr[m + 1][2];
    rr[1][0] = {1, 1};
    rr[1][1] = {0, 0};
    
    const int inf = 1e9;
    
    int l1, r1;
    for (int i = 2; i <= m; i++){
        l1 = inf; r1 = 0;
        if (a[i - 1] <= a[i] && rr[i - 1][0].ff != -1){
            l1 = min(l1, rr[i - 1][0].ff + 1);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 89 / 89