제출 #1074173

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1074173		deera	웜뱃 (IOI13_wombats)	C++14	0 / 100	192 ms	64064 KiB

wombats

#include <bits/stdc++.h>
using namespace std;
#include "wombats.h"

const int M = 5000;
const int N = 200;

int R, C;
// tuple<from, to, weight>
vector<tuple<int, int, int>> edges;
const int MAX = 1000'000;
vector<vector<pair<int, int>>> adj(MAX, vector<pair<int, int>>());

void init(int _R, int _C, int H[5000][200], int V[5000][200]) {
    R = _R;
    C = _C;

    // for (int i = 0; i < R; i++)
    //     for (int j = 0; j < C - 1; j++)
    //         H[i][j] = _H[i][j], sum += H[i][j];

    // for (int i = 0; i < R - 1; i++)
    //     for (int j = 0; j < C; j++)
    //         V[i][j] = _V[i][j], sum += V[i][j];

    for (int i = 0; i < R; i++)
        for (int j = 0; j < C - 1; j++)
            // edges.push_back({i * 5000 + j, i * 5000 + (j + 1), H[i][j]}),
            {
                int a = i * 5000 + j;
                int b = i * 5000 + (j + 1);

                adj[a].push_back({b, H[i][j]});
                adj[b].push_back({a, H[i][j]});
            }

    for (int i = 0; i < R - 1; i++)
        for (int j = 0; j < C; j++)
            // edges.push_back({i * 5000 + j, (i + 1) * 5000 + j, V[i][j]});
            {
                int a = i * 5000 + j;
                int b = (i + 1) * 5000 + j;

                adj[a].push_back({b, V[i][j]});
                adj[b].push_back({a, V[i][j]});
            }
}

void changeH(int P, int Q, int W) {
}

void changeV(int P, int Q, int W) {
}

int escape(int V1, int V2) {
    int a = 0 * 5000 + V1;
    int b = (R - 1) * 5000 + V2;

    vector<int> dist(MAX, INT_MAX);
    dist[a] = 0;
    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
    pq.push({0, a});

    while (!pq.empty()) {
        auto [d, u] = pq.top();
        pq.pop();

        if (d > dist[u])
            continue;

        for (auto [v, w] : adj[u]) {
            if (dist[u] + w < dist[v]) {
                dist[v] = dist[u] + w;
                pq.push({dist[v], v});
            }
        }
    }

    return dist[b];
}

컴파일 시 표준 에러 (stderr) 메시지

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~
wombats.cpp: In function 'int escape(int, int)':
wombats.cpp:65:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   65 |         auto [d, u] = pq.top();
      |              ^
wombats.cpp:71:19: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   71 |         for (auto [v, w] : adj[u]) {
      |                   ^

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24