제출 #808486

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
808486		thimote75	코알라 (APIO17_koala)	C++14	19 / 100	10 ms	324 KiB

koala

#include "koala.h"

#include <bits/stdc++.h>

using namespace std;

using di = pair<int, int>;
using vd = vector<di>;
using idata = vector<int>;
using bdata = vector<bool>;
const int MAXN = 100;
int R[MAXN], B[MAXN];

bdata defaultExclusion(MAXN, false);

idata playRound (vd V, bdata &exclusion) {
    for (int i = 0; i < MAXN; i ++) B[i] = 0;

    for (const auto &x : V) B[x.first] = x.second;

    playRound(B, R);

    idata answer;
    for (int i = 0; i < MAXN; i ++)
        if (B[i] < R[i] && !exclusion[i])
            answer.push_back(i);
        
    return answer;
}
vd fill (idata values, int count) {
    vd answer;
    for (int u : values) answer.push_back({ u, count });

    return answer;
}

int minValue(int N, int W) {
    idata result = playRound({ { 0, 1 } }, defaultExclusion);

    int answer = -1;
    for (int i = 0; i < N; i ++)
        if (R[i] == 0)
            answer = i;
    return answer;
}

int maxValue(int N, int W) {
    idata answer(N);
    iota(answer.begin(), answer.end(), 0);

    bdata exclusion(N);

    idata firstSubset = playRound(fill( answer, 1 ), exclusion);
    for (int i = 0; i < N; i ++) exclusion[i] = true;
    for (int u    : firstSubset) exclusion[u] = false;

    idata secondSubset = playRound(fill( firstSubset, N / firstSubset.size()), exclusion);
    for (int i = 0; i < N; i ++) exclusion[i] = true;
    for (int u   : secondSubset) exclusion[u] = false;
    idata thirdSubset = playRound(fill( secondSubset, N / secondSubset.size()), exclusion);
    for (int i = 0; i < N; i ++) exclusion[i] = true;
    for (int u   : thirdSubset) exclusion[u] = false;
    idata fourthSubset = playRound(fill( thirdSubset, N / thirdSubset.size()), exclusion);
    for (int i = 0; i < N; i ++) exclusion[i] = true;
    for (int u   : fourthSubset) exclusion[u] = false;

    if (fourthSubset.size() != 0) return fourthSubset[0];
    if (thirdSubset .size() != 0) return thirdSubset [0];
    if (secondSubset.size() != 0) return secondSubset[0];
    return firstSubset[0];
}

int greaterValue(int N, int W) {
    bdata exclusion(N, true);
    exclusion[0] = false; exclusion[1] = false;

    int a = 0;
    int b = 8;
    while (b - a > 1) {
        int c = (a + b) >> 1;

        idata ans = playRound({ {0, c}, {0, c} }, exclusion);
        if (ans.size() == 0) return ans[0];

        if (ans.size() == 2) b = c;
        else a = c;
    }
    return 0;
}

void allValues(int N, int W, int *P) {
    if (W == 2*N) {
        // TODO: Implement Subtask 4 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    } else {
        // TODO: Implement Subtask 5 solution here.
        // You may leave this block unmodified if you are not attempting this
        // subtask.
    }
}

• Subtask 1: 4 / 4
• Subtask 2: 15 / 15
• Subtask 3: 0 / 18
• Subtask 4: 0 / 10
• Subtask 5: 0 / 53