Submission #1328371

#	Time	Username	Problem	Language	Result	Execution time	Memory
1328371		vahagng	Computer Network (BOI14_network)	C++20	0 / 100	50 ms	4252 KiB

network

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


void findRoute(int N, int a, int b)
{
    set<int>st;
    for (int i = 1; i <= N; i++) {
        if(i != a && i != b) st.insert(i);
    }
    while (a != b) {
        vector<int>V;
        for (auto i : st) {
            if (ping(a, i) == 1) {
                V.push_back(i);
            }
        }
        int mn = -1, node;
        for (auto i : V) {
            int d = ping(i, b);
            if (mn == -1 || mn > d) {
                mn = d;
                node = i;
            }
        }
        for(auto i : V){
            st.erase(i);
        }
        st.erase(a);
        travelTo(node);
        a = node;
    }
}

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