Submission #1123792

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1123792	2024-12-04 07:56:10	Icelast	Building 4 (JOI20_building4)	C++20	0 / 100	1 ms	584 KiB

building4

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#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll maxn = 2*1e5+5, INF = 4e18+9;
struct segment{
    int l, r;
};
void solve(){
    int n;
    cin >> n;
    vector<int> a(n*2+1), b(n*2+1);
    for(int i = 1; i <= 2*n; i++){
        cin >> a[i];
    }
    for(int i = 1; i <= 2*n; i++){
        cin >> b[i];
    }
    a[0] = 0;
    vector<vector<segment>> f(n*2+1, vector<segment>(2, {-1, -1}));
    auto merge = [&](segment &a, segment b) -> void{
        if(b.l == -1) return;
        if(a.l == -1){
            a = b;
            return;
        }
        a.l = min(a.l, b.l);
        a.r = max(a.r, b.r);
    };
    f[0][0] = {0, 0};
 
 
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• Subtask 1: 0 / 11
• Subtask 2: 0 / 89