제출 #1071219

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1071219		Plurm	Ancient Machine (JOI21_ancient_machine)	C++17	5 / 100	2012 ms	4908 KiB

Anna

#include "Anna.h"
#include <vector>

namespace {

int variable_example = 0;

}

void Anna(int N, std::vector<char> S) {
    for (int i = 0; i < N; i++) {
        if (S[i] == 'X') {
            Send(0);
        } else if (S[i] == 'Y') {
            Send(1);
            Send(0);
        } else {
            Send(1);
            Send(1);
        }
    }
}

Bruno

#include "Bruno.h"
#include <bits/stdc++.h>
using namespace std;
namespace {
void resolve(vector<int> &ord, vector<vector<int>> &dp,
             vector<vector<int>> &par, int l, int r) {
    if (l > r)
        return;
    if (l == r) {
        ord.push_back(l);
        return;
    }
    if (par[l][r] >= 0) {
        resolve(ord, dp, par, l, par[l][r]);
        resolve(ord, dp, par, par[l][r] + 1, r);
    } else {
        resolve(ord, dp, par, l, ~par[l][r] - 1);
        if (find(ord.begin(), ord.end(), l) != ord.end())
            ord.erase(find(ord.begin(), ord.end(), l));
        resolve(ord, dp, par, ~par[l][r] + 1, r);
        if (find(ord.begin(), ord.end(), r) != ord.end())
            ord.erase(find(ord.begin(), ord.end(), r));
        ord.push_back(~par[l][r]);
        ord.push_back(l);
        ord.push_back(r);
    }
}
} // namespace

void Bruno(int N, int L, std::vector<int> A) {
    string target;
    int ptr = 0;
    while (ptr < L) {
        if (A[ptr++] == 0)
            target.push_back('X');
        else if (A[ptr++] == 0)
            target.push_back('Y');
        else
            target.push_back('Z');
    }
    bool done = false;
    vector<int> ord;
    int chosen = -1;
    do {
        vector<int> prefX(N, -1);
        for (int i = 0; i < N; i++) {
            if (target[i] == 'X')
                prefX[i] = i;
            else
                prefX[i] = i ? prefX[i - 1] : -1;
        }
        vector<int> suffZ(N, N);
        for (int i = N - 1; i >= 0; i--) {
            if (target[i] == 'Z')
                suffZ[i] = i;
            else
                suffZ[i] = i == N - 1 ? N : suffZ[i + 1];
        }
        int mn = 1e9;
        chosen = -1;
        for (int i = 0; i < N; i++) {
            if (target[i] == 'Y' && prefX[i] != -1 && suffZ[i] != N) {
                int c = 0;
                for (int j = prefX[i] + 1; j <= suffZ[i] - 1; j++) {
                    if (j == i)
                        continue;
                    if (target[j] != '\0')
                        c++;
                }
                if (c < mn) {
                    mn = c;
                    chosen = i;
                }
            }
        }
        if (chosen != -1) {
            for (int j = prefX[chosen] + 1; j <= suffZ[chosen] - 1; j++) {
                if (j == chosen)
                    continue;
                if (target[j] != '\0') {
                    ord.push_back(j);
                    target[j] = '\0';
                }
            }
            ord.push_back(chosen);
            target[chosen] = '\0';
        }
    } while (chosen != -1);
    for (int i = 0; i < N; i++) {
        if (target[i] != '\0')
            ord.push_back(i);
    }
    for (int x : ord)
        Remove(x);
}

컴파일 시 표준 에러 (stderr) 메시지

Anna.cpp:6:5: warning: '{anonymous}::variable_example' defined but not used [-Wunused-variable]
    6 | int variable_example = 0;
      |     ^~~~~~~~~~~~~~~~

Bruno.cpp: In function 'void Bruno(int, int, std::vector<int>)':
Bruno.cpp:41:10: warning: unused variable 'done' [-Wunused-variable]
   41 |     bool done = false;
      |          ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95