Submission #161868

#	Time	Username	Problem	Language	Result	Execution time	Memory
161868		AQT	Computer Network (BOI14_network)	C++14	100 / 100	120 ms	8196 KiB

network

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

using namespace std;

vector<int> dist[1005];

void findRoute(int N, int A, int B){
    int D = ping(A, B)+1;
    for(int n = 1; n<=N; n++){
        if(n != A && n != B){
            int k = ping(n, B);
            dist[k+1].push_back(n);
        }
    }
    int crnt = A;
    for(int d = D-1; d; d--){
        int lst = crnt;
        for(int n : dist[d]){
            if(ping(crnt, n) == 0){
                crnt = n;
                travelTo(n);
                break;
            }
        }
        assert(crnt != lst);
    }
    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]
     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]
             scanf("%d", &distance[u][v]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 25 / 25
• Subtask 2: 25 / 25
• Subtask 3: 25 / 25
• Subtask 4: 25 / 25