제출 #978384

#제출 시각아이디문제언어결과실행 시간메모리
978384oolimry코알라 (APIO17_koala)C++17
52 / 100
28 ms600 KiB
#include "koala.h"
#include<bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define sz(x) ((int) x.size())
using namespace std;

int B[100]; int R[100];
int minValue(int N, int W) {
	fill(B,B+N,0); B[0] = 1;
    playRound(B,R);
    for(int i = 0;i < N;i++){
        if(R[i] == 0) return i;
    }
    return -1;
}

int big[105];
int maxValue(int n, int W) {
	fill(big,big+n,1);
	vector<int> witness = {};
	for(int x : witness){
		for(int i = 0;i < n;i++){
			if(big[i]) B[i] = x;
			else B[i] = 0;
		}
		playRound(B,R);
		
		for(int i = 0;i < n;i++){
			if(R[i] == 0) big[i] = 0;
		}
		
		for(int i = 0;i < n;i++) { cerr << R[i] << " "; } cerr << endl;
	}
	
	for(int i = 0;i < n;i++) if(big[i]) return i;
	return 0;
}

int greaterValue(int n, int W){
	int x = 0;
	for(int s = 4;s >= 1;s /= 2){
		x += s;
		
		B[0] = x;
		B[1] = x;
		playRound(B,R);
		
		if(R[0] > R[1]) return 0;
		if(R[1] > R[0]) return 1;
		if(R[0] == 0) x -= s;
	}
	return -1;
}

void allValues1(int n, int W, int *P){
	int B[n]; int R[n]; int A[n];
	for(int i = 0;i < n;i++) A[i] = i;
	
	stable_sort(A, A+n, [&](int a, int b){
		fill(B,B+n,0);
		B[a] = n, B[b] = n;
		playRound(B,R);

		if(R[a] == 0) return true;
		else return false;
	});
	
	for(int i = 0;i < n;i++) P[A[i]] = i+1;
}

void allValues2(int n, int *P, int s, int e, vector<int> stuff){
	if(sz(stuff) == 1){
		P[stuff[0]] = s;
		return;
	}
	
	for(int X = 1;X < 100;X++){
		fill(B,B+n,0);
		for(int i : stuff) B[i] = X;
		playRound(B,R);
		
		vector<int> left, right;
		for(int i : stuff){
			if(R[i] == 0) left.push_back(i);
			else right.push_back(i);
		}
		
		if(sz(left) != 0 and sz(right) != 0){
			int m = s + sz(left);
			allValues2(n, P, s, m-1, left);
			allValues2(n, P, m, e, right);
			return;
		}
	}
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) allValues1(N, W, P);
    else{
		vector<int> stuff;
		for(int i = 0;i < N;i++) stuff.push_back(i);
		allValues2(N, P, 1, N, stuff);
	}
}
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