Submission #428894

#	Time	Username	Problem	Language	Result	Execution time	Memory
428894		Keshi	Comparing Plants (IOI20_plants)	C++17	0 / 100	1 ms	460 KiB

plants

//In the name of God
#include <bits/stdc++.h>
#include "plants.h"
using namespace std;

typedef int ll;
typedef pair<ll, ll> pll;

const ll maxn = 2e5 + 100;
const ll mod = 1e9 + 7;
const ll inf = 1e9;

#define fast_io ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define Mp make_pair
#define F first
#define S second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define Sz(x) ll((x).size())
#define lc (id << 1)
#define rc (lc | 1)

ll n, k, dd, a[maxn], b[maxn];

void init(int K, vector<int> R){
	k = K;
	assert(k == 2);
	n = Sz(R);
	for(ll i = 0; i < n; i++){
		a[i] = R[i];
	}
	dd = n - k;
	for(ll i = n; i--;){
		ll mn = inf;
		for(ll j = 0; j < n; j++){
			mn = min(mn, a[j]);
		}
		vector<ll> vec;
		for(ll j = 0; j < n; j++){
			if(mn == a[j]) vec.pb(j);
		}
		ll x = vec[0];
		for(ll j = 0; j + 1 < Sz(vec); j++){
			if(vec[j + 1] - vec[j] >= dd) x = vec[j + 1];
		}
		b[x] = i;
		a[x] += inf;
		ll y = x - k + 1;
		while(y != x){
			a[y++]--;
			if(y == n) y = 0;
		}
	}
	return;
}

int compare_plants(int x, int y){
	if(b[x] > b[y]) return 1;
	return -1;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 14
• Subtask 3: 0 / 13
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 15
• Subtask 7: 0 / 25