Submission #796283

#	Time	Username	Problem	Language	Result	Execution time	Memory
796283		t6twotwo	Fountain Parks (IOI21_parks)	C++17	5 / 100	47 ms	7112 KiB

parks

#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int construct_roads(vector<int> X, vector<int> Y) {
    int N = X.size();
    vector<int> ord(N);
    iota(ord.begin(), ord.end(), 0);
    sort(ord.begin(), ord.end(), [&](int i, int j) {
        return Y[i] < Y[j];
    });
    vector<int> u, v, a, b;
    for (int i = 0; i < N - 1; i++) {
        if (Y[ord[i]] + 2 != Y[ord[i + 1]]) {
            return 0;
        }
        u.push_back(ord[i]);
        v.push_back(ord[i + 1]);
        a.push_back(1);
        b.push_back(Y[ord[i]] + 1);
    }
    build(u, v, a, b);
    return 1;
}

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30