제출 #1118914

#제출 시각아이디문제언어결과실행 시간메모리
1118914SofiatpcXylophone (JOI18_xylophone)C++17
100 / 100
183 ms988 KiB
#include <bits/stdc++.h>
#include "xylophone.h"

using namespace std;

int x[5005], y[5005], v[5005];

int calc(int a, int b, int x, int y){
	if(abs(a-b) != y && x != y){
		if(a > b)return b-x;
		return b+x;
	}else{
		if(a > b)return b+x;
		return b-x;
	}
}

void solve(int n) {
	v[1] = 1;
	x[2] = query(1,2);
	v[2] = 1+x[2];

	for(int i = 3; i <= n; i++){
		x[i] = query(i-1,i), y[i] = query(i-2,i);
		v[i] = calc(v[i-2],v[i-1], x[i], y[i]);
	}

	int idmn = 1, idmx = 2;
	for(int i = 2; i <= n; i++){
		if(v[idmn] > v[i])idmn = i;
		if(v[idmx] < v[i])idmx = i;
	}

	if(idmn > idmx){
		v[2] = v[1] - x[2];
		for(int i = 3; i <= n; i++)
			v[i] = calc(v[i-2],v[i-1], x[i], y[i]);

		idmn = 2, idmn = 1;
		for(int i = 2; i <= n; i++){
			if(v[idmn] > v[i])idmn = i;
			if(v[idmx] < v[i])idmx = i;
		}
	}

	for(int i = 1; i <= n; i++)
		answer(i,v[i]-v[idmn]+1);
}
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