제출 #320837

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
320837		seedkin	로카히아 유적 (FXCUP4_lokahia)	C++17	0 / 100	3 ms	1024 KiB

lokahia

#include "lokahia.h"
#include <stdio.h>

int root[205]; // who is root?
int select[205]; // able to get mana?

int getRoot(int n) {
	int r = root[n];
	if(r == -1) return n;
	root[n] = getRoot(r);
	return root[n];
}

int findRoot(int r, int leaf) {
	if(r == leaf) return select[r];

	int temp = root[leaf];
	select[r] += select[leaf];
	root[leaf] = r;
	select[leaf] = 0;	

	return temp == -1 ? select[r]: findRoot(r, temp);
}

int FindBase(int N){	
	int target = N / 2;	
	int boss[205];
	int bossNum = 0;
	
	for(int i =0; i < N; i++) {
		root[i] = -1;
		select[i] = 1;		
		boss[i] = 0;
	}

	for(int i =0; i< N;) {
		int s = 1;
		boss[bossNum++] = i;
		for(int j =i+1; j < N; j++) {
			int r = CollectRelics(i, j);
			if( r == -1) {
				s--;
				if(s == 0) {
					i = j+1;
					if(i == N) return -1;
					break;
				}
				continue;
			}
			int num = findRoot(r, i);
			num = findRoot(r,j);
			if(num > target) return r;
			s++;
		}
	}

	int c = boss[bossNum-1];

	for(int i =0; i < bossNum-1; i++) {
		int a = boss[i];
		if(root[c] == root[a] && root[c] != -1) continue;
		int r = CollectRelics(c, a);
		if(r == -1) {
			int b = boss[i+1];
			for(int j = a+1; j < b; j++) {
				if(root[c] == root[j] && root[c] != -1) continue;
				if(root[j] != -1) continue;
				r = CollectRelics(c, j);
				if(r == -1) continue;
				int num = findRoot(r, c);
				num = findRoot(r, j);
				if(num > target) return r;
			}
			continue;
		}
		int num = findRoot(r, c);
		num = findRoot(r, a);
		if(num > target) return r;
	}

	if(root[c] == -1 && select[c] > target ) return c;
	else if(root[c] != -1 && select[getRoot(c)] > target) return root[c];
	return -1;
}

• Subtask 1: 0 / 100