Submission #592140

#	Time	Username	Problem	Language	Result	Execution time	Memory
592140		jasmin	Roads (CEOI20_roads)	C++14	15 / 100	20 ms	2264 KiB

roads

#include<bits/stdc++.h>
using namespace std;
#define int long long

const int inf=1e18;

void subtask2(int n, vector<pair<pair<int,int>, pair<int,int> > >& p){
    sort(p.begin(), p.end());
    pair<int,int> last={-inf, -inf};
    for(int i=0; i<n; i++){
        auto a=p[i].first;
        auto b=p[i].second;

        if(last.first!=-inf){
            cout << last.first << " " << last.second << " " << a.first << " " << a.second << "\n";
        }
        last=b;
    }
}

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;
    vector<pair<pair<int,int>, pair<int,int> > >p(n);
    for(int i=0; i<n; i++){
        cin >> p[i].first.first >> p[i].first.second;
        cin >> p[i].second.first >> p[i].second.second;
        if(p[i].first>p[i].second){
            swap(p[i].first, p[i].second);
        }
    }
    subtask2(n, p);
}

• Subtask 1: 0 / 0
• Subtask 2: 15 / 15
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 15
• Subtask 6: 0 / 40