Submission #1331245

#	Time	Username	Problem	Language	Result	Execution time	Memory
1331245		jump	Computer Network (BOI14_network)	C++20	100 / 100	52 ms	4436 KiB

network

#include "network.h"
#include <bits/stdc++.h>
int dist[2010];
std::vector<std::vector<int>> table;
std::vector<int> route;
void findRoute (int N, int a, int b)
{
    table.resize(2010);
    for(int i=1;i<=N;i++){
        if(i==a)dist[i]=0;
        else dist[i]=ping(a,i)+1;
        table[dist[i]].push_back(i);
    }
    int curr=b;
    //std::cout << curr << "<-" << '\n';
    route.push_back(b);
    while(curr!=a){
        for(int i=0;i<table[dist[curr]-1].size();i++){
            if(ping(curr,table[dist[curr]-1][i])==0){
                int target=table[dist[curr]-1][i];
                route.push_back(target);
                curr=target;
                break;
            }
        }
        //std::cout << curr << "<-" << '\n';
    }
    for(int i=route.size()-2;i>=0;i--){
        travelTo(route[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: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25