Submission #1308131

#	Time	Username	Problem	Language	Result	Execution time	Memory
1308131		packmani	Computer Network (BOI14_network)	C++20	100 / 100	51 ms	4408 KiB

network

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

const int n = 2005;
int dist[n];
vector<int> ldist[n];
int d,e,temp;
vector<int> ans;
void findRoute (int N, int a, int b)
{
    /*
     *  Obviously, this is not a good solution.
     *  Replace it with your own code.
     */
    /*
    int dist = ping(a, b);
    for (int i = 1; i <= dist; ++i)
        travelTo (i);
    */
    for(int i=1;i<=N;i++)
    {
        if(i==a) continue;
        dist[i] = ping(a,i);
        ldist[dist[i]].push_back(i);
    }
    d = dist[b];
    e=b;
    //cout << d << '\n';
    for(int i=1;i<=d;i++)
    {
        ans.push_back(e);
        for(auto to : ldist[d-i])
        {
            temp = ping(to, e);
            if(temp==0)
            {
                e=to;
                break;
            }
        }
    }
    ans.push_back(e);
    //cout << a << '\n';
    for(int i=ans.size()-1;i>=0;i--)
    {
        //cout << ans[i] << '\n';
        //cout << ans[i] << '\n';
        travelTo(ans[i]);
    }
}
/*
-------d--------
---------to-----
---------|--tmp-


*/

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: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25