Submission #1008606

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008606		Malix	Fountain Parks (IOI21_parks)	C++17	5 / 100	43 ms	9052 KiB

parks

#include "parks.h"
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> vii;
typedef pair<int,int> pi;
typedef vector<pi> pii;
typedef tuple<int,int,int> tii;

#define REP(i,a,b) for(int i=a;i<b;i++)
#define F first
#define S second
#define PB push_back
#define MP make_pair
#define LSOne(s) ((s)&(-s))

ll INF=1e18+10;
int inf=1e9+10;
ll M=1e9+7;

int construct_roads(std::vector<int> x, std::vector<int> y) {
    int n=x.size();
    pii a;
    REP(i,0,n)a.PB({y[i],i});
    sort(a.begin(),a.end());
    vii ans(4);
    REP(i,0,n-1){
        if(a[i].F+2!=a[i+1].F)return 0;
        ans[0].PB(a[i].S);
        ans[1].PB(a[i+1].S);
        ans[2].PB(3);
        ans[3].PB(a[i].F+1);
    }
    build(ans[0],ans[1],ans[2],ans[3]);
    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