제출 #819792

#제출 시각아이디문제언어결과실행 시간메모리
819792Abrar_Al_SamitComparing Plants (IOI20_plants)C++17
14 / 100
182 ms7700 KiB
#include <bits/stdc++.h>
#include "plants.h"
using namespace std;

const int nax = 5002;
int val[nax], n, k;
bool done[nax];

bool cmp(int x, int y) {
	if(x + k - 1 < n) {
		return y > x && y <= x + k - 1;
	} else {
		if(y < x) return (x + k - 1) % n >= y;
		else return y > x;
	}
}
void init(int K, vector<int> r) {
	k = K;
	n = r.size();

	for(int tg=1; tg<=n; ++tg) {
		int mn = -1;
		for(int i=0; i<n; ++i) if(!done[i] && r[i]==k-1) {
				if(mn==-1) mn = i;
				else if(!cmp(mn, i)) mn = i;
		}
		val[mn] = tg;
		done[mn] = true;

		for(int i=mn, cnt=0; cnt<k; ++cnt, i=(i-1+n)%n) {
			++r[i];
		}
	}

	// for(int i=0; i<n; ++i) {
	// 	cerr<<val[i]<<' ';
	// }
	// cerr<<'\n';
}

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