제출 #1325468

#제출 시각아이디문제언어결과실행 시간메모리
1325468zwezdinvMonster Game (JOI21_monster)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>


std::vector<int> s = {4, 2, 1, 0, 3, 5};
bool Query(int a, int b) {
    if (std::abs(s[a] - s[b]) == 1) {
        return s[a] < s[b];
    }   
    return s[a] > s[b];
}

std::vector<int> Solve(int n) {
    std::vector<int> vec(n);
    std::iota(vec.begin(), vec.end(), 0);
    std::sort(vec.begin(), vec.end(), [&](int x, int y) {
        return Query(y, x);
    });
    for (int i = 0; i + 1 < n; ++i) {
        assert(Query(vec[i + 1], vec[i]));
    }
    std::vector<std::pair<int, int>> ss;
    const int SZ = std::min(n, 8);
    for (int i = 0; i < SZ; ++i) {
        int cnt = 0;
        for (int j = 0; j < SZ; ++j) {
            if (i != j) cnt += Query(vec[i], vec[j]);
        }
        ss.emplace_back(cnt, vec[i]);
    }
    std::sort(ss.begin(), ss.end());
    int mn;
    if (ss[0].first == ss[1].first) {
        mn = Query(ss[0].second, ss[1].second) ? ss[0].second : ss[1].second;
    } else {
        mn = ss[0].second;
    }
    int i = 0, j = std::find(vec.begin(), vec.end(), mn) - vec.begin();
    if (j == SZ - 1) {
        while (j + 1 < n && Query(vec[1], vec[j + 1])) ++j;
    }
    std::reverse(vec.begin(), vec.begin() + j + 1);
    while (j != n - 1) {
        int k = j + 1;
        while (Query(vec[k], vec[j])) ++k;
        std::reverse(vec.begin() + j + 1, vec.begin() + k + 1);
        i = j + 1, j = k;
    }
    std::vector<int> ans(n);
    for (int i = 0; i < n; ++i) ans[vec[i]] = i;
    return ans;
}

// int main() {
//     int n = s.size();
//     for (auto x : Solve(n)) std::cout << x << ' ';
// }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccm2EF98.o: in function `Query(int, int)':
stub.cpp:(.text+0x0): multiple definition of `Query(int, int)'; /tmp/cciZHYF6.o:monster.cpp:(.text+0xaa0): first defined here
collect2: error: ld returned 1 exit status