제출 #560613

#제출 시각아이디문제언어결과실행 시간메모리
560613piOOE즐거운 행로 (APIO20_fun)C++17
26 / 100
333 ms524288 KiB
#include "fun.h"

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define all(x) begin(x), end(x)

vector<int> createFunTour(int n, int q) {
    const int infI = 1e9 + 7;
    vector<vector<int>> dist(n, vector<int>(n));
    for (int i = 0; i < n; ++i) {
        for (int j = i + 1; j < n; ++j) {
            dist[i][j] = dist[j][i] = hoursRequired(i, j);
        }
    }
    for (int i = 0; i < n; ++i) {
        int j = i;
        vector<int> ans;
        vector<bool> used(n);
        int lst = infI;
        for (int k = 0; k < n; ++k) {
            ans.push_back(j);
            used[j] = true;
            pair<int, int> mx = {-infI, -infI};
            for (int z = 0; z < n; ++z) {
                if (!used[z] && dist[j][z] <= lst) {
                    mx = max(mx, make_pair(dist[j][z], z));
                }
            }
            if (mx.first == -infI) {
                break;
            }
            lst = mx.first;
            j = mx.second;
        }
        if (ans.size() == n) {
            return ans;
        }
    }
    assert(false);
    return {};
}

컴파일 시 표준 에러 (stderr) 메시지

fun.cpp: In function 'std::vector<int> createFunTour(int, int)':
fun.cpp:39:24: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   39 |         if (ans.size() == n) {
      |             ~~~~~~~~~~~^~~~
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