Submission #1270929

#	Time	Username	Problem	Language	Result	Execution time	Memory
1270929		nerrrmin	Fountain Parks (IOI21_parks)	C++20	5 / 100	39 ms	8080 KiB

parks

#include "parks.h"
#define pb push_back
#include<bits/stdc++.h>
using namespace std;
int construct_roads(std::vector<int> x, std::vector<int> y)
{

    if (x.size() == 1) {
	build({}, {}, {}, {});
        return 1;
    }
    vector < pair < int, int > > g;
    int cnt = 0;
    for (auto pos: y)
    {
        g.pb(make_pair(pos, cnt ++));
    }
    sort(g.begin(), g.end());
    for (int i = 0 ;i < g.size(); ++ i)
    {
        if(i == 0)continue;
        if(g[i].first - g[i-1].first != 2)return 0;
    }
    std::vector<int> u, v, a, b;
    for (int i = 0 ;i < g.size(); ++ i)
    {
        if(i == 0)continue;
        u.pb(g[i-1].second);
        v.pb(g[i].second);
        a.pb(3);
        b.pb(g[i].first-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