Submission #1314874

#	Time	Username	Problem	Language	Result	Execution time	Memory
1314874		zenzaza	Computer Network (BOI14_network)	C++20	100 / 100	50 ms	4384 KiB

network

#include "network.h"
#include <bits/stdc++.h>

using namespace std;

void findRoute (int N, int a, int b)
{
    vector<int> node[N+5];
    stack<int> ans;

    for (int i=1; i<=N; i++)
    {
        if (i==a) continue;
        int t = ping(a, i);
        node[t].push_back(i);
    }
    int cur = b;
    int count = 0;
    for (int i=ping(a, b)-1; i>=0; i--)
    {
        for (int x : node[i])
        {
            if (ping(cur, x) == 0)
            {
                ans.push(x);
                cur = x;
                break;
            }
        }
    }

    while(!ans.empty()) travelTo(ans.top()), ans.pop();
    travelTo(b);
}

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