제출 #769711

#제출 시각아이디문제언어결과실행 시간메모리
769711PlurmCyberland (APIO23_cyberland)C++17
컴파일 에러
0 ms0 KiB
#include "cyberland.h"
#include <bits/stdc++.h>
using namespace std;

vector<pair<int, int>> g[100005];
bool reach[100005];
void dfsreach(int u, int H) {
    if (reach[u])
        return;
    reach[u] = true;
    if (u == H)
        return;
    for (auto v : g[u]) {
        dfsreach(v.first);
    }
}
long long dist[100005];
double solve(int N, int M, int K, int H, std::vector<int> x, std::vector<int> y,
             std::vector<int> c, std::vector<int> arr) {
    for (int i = 0; i < M; i++) {
        g[x[i]].push_back({y[i], c[i]});
        g[y[i]].push_back({x[i], c[i]});
    }
    dfsreach(0, H);
    if (!reach[H]) {
        for (int i = 0; i < N; i++) {
            g[i].clear();
            reach[i] = false;
        }
        return -1;
    }
    priority_queue<pair<long long, int>> pq;
    for (int i = 0; i < N; i++) {
        dist[i] = 2e18;
        if (arr[i] == 0 && reach[i]) {
            pq.push({0, i});
            dist[i] = 0;
        }
    }
    pq.push({0, 0});
    dist[0] = 0;
    while (!pq.empty()) {
        auto cur = pq.top();
        pq.pop();
        for (auto nxt : g[cur.second]) {
            if (dist[nxt.first] > -cur.first + nxt.second) {
                dist[nxt.first] = -cur.first + nxt.second;
                pq.push({-dist[nxt.first], nxt.first});
            }
        }
    }
    for (int i = 0; i < N; i++) {
        g[i].clear();
        reach[i] = false;
    }
    if (dist[H] > 1e18)
        return -1;
    else
        return dist[H];
}

컴파일 시 표준 에러 (stderr) 메시지

cyberland.cpp: In function 'void dfsreach(int, int)':
cyberland.cpp:14:25: error: too few arguments to function 'void dfsreach(int, int)'
   14 |         dfsreach(v.first);
      |                         ^
cyberland.cpp:7:6: note: declared here
    7 | void dfsreach(int u, int H) {
      |      ^~~~~~~~