Submission #1310616

#	Time	Username	Problem	Language	Result	Execution time	Memory
1310616		chawinkn	컴퓨터 네트워크 (BOI14_network)	C++20	25 / 100	49 ms	4312 KiB

network

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

void findRoute (int N, int a, int b)
{
    /*
     *  Obviously, this is not a good solution.
     *  Replace it with your own code.
     */

    vector<int> distA(N+1), distB(N+1);
    vector<pair<int,int>> A;

    for (int i = 1; i <= N; i++) {
        if (a != i) {
            distA[i] = ping(a, i) + 1;
            A.push_back({distA[i], i});
        }
        if (b != i)
            distB[i] = ping(b, i) + 1;
    }

    sort(A.begin(), A.end());

    int cur=a;
    for (auto [d, i] : A) {
        // cout << d << " " << i << " " << d+distB[i] << " " << distA[b] << "\n";
        if (d+distB[i] == distA[b] && distA[cur]+1 == distA[i]) {
            cur = i;
            travelTo(i);
        }
    }
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:48:11: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |     scanf ("%d%d%d%d", &N, &a, &b, &M);
      |     ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
grader.c:51:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   51 |             scanf("%d", &distance[u][v]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25