Submission #1314837

#	Time	Username	Problem	Language	Result	Execution time	Memory
1314837		Zone_zonee	Computer Network (BOI14_network)	C++20	25 / 100	50 ms	4268 KiB

network

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

void findRoute (int N, int a, int b)
{
    using namespace std;

    int dist = ping(a, b);
    priority_queue<pair<int, int>> ans;
    for(int i = 1; i <= N; ++i){
        if(i == a || i == b) continue;
        int da = ping(a, i), db = ping(i, b);
        if(da + db + 1 == dist){
            ans.push({-da, i});
        }
    }
    while(!ans.empty()){
        auto [d, u] = ans.top(); ans.pop();
        // cerr << u << '\n';
        travelTo(u);
    }
    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: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25