Submission #797060

#	Time	Username	Problem	Language	Result	Execution time	Memory
797060		vjudge1	Road Construction (JOI21_road_construction)	C++17	0 / 100	77 ms	4964 KiB

road_construction

#include<bits/stdc++.h>

using namespace std;
using ll = long long;

ll dist(pair<int, int> a, pair<int, int> b) {
    return abs(a.first - b.first) + abs(a.second - b.second);
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int n, k;
    cin >> n >> k;
    vector<pair<int, int>> p(n);
    for(int i = 0; i < n; i++) 
        cin >> p[i].first >> p[i].second;
    sort(p.begin(), p.end());
    
    if(n <= 1000) {
        vector<int> v;
        for(int i = 0; i < n; i++) {
            for(int j = i + 1; j < n; j++) {
                v.push_back(dist(p[i], p[j]));
            }
        }    
        sort(v.begin(), v.end());
        for(int i = 0; i < k; i++) cout << v[i] << '\n';
        return 0;
    } 
    vector<int> v;
    for(int i = 0; i < n - 1; i++) 
        v.push_back(dist(p[i], p[i + 1]));
    sort(v.begin(), v.end());
    for(int i = 0; i < k; i++) cout << v[i] << '\n';
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 20
• Subtask 5: 0 / 27
• Subtask 6: 0 / 35