Submission #70404

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
70404	2018-08-22T19:41:36 Z	Googal	Computer Network (BOI14_network)	C++14	Compilation error	0 ms	0 KB

network

#include <iostream>
#include <vector>

//#include "network.h"

using namespace std;

const int NMAX = 1e3;

vector < int > p[1 + NMAX];

void findRoute (int n, int a, int b) {

  int dist = ping(a, b);

  for(int i = 1; i <= n; i++)
    if (i != a)
      p[ping(a, i) + 1].push_back(i);

  for(int d = 1; d <= dist; d++) {
    bool ok = false;

    for(int i = 1; i < p[d].size(); i++) {
      if(ping(a, p[d][i]) == 0) {
        if(d + ping(p[d][i], b) == dist) {
          a = p[d][i];
          travelTo(a);
          ok = true;
          break;
        }
      }
    }

    if (ok == false) {
      a = p[d][0];
      travelTo(a);
    }
  }

  travelTo(b);
}

Compilation message

network.cpp: In function 'void findRoute(int, int, int)':
network.cpp:14:14: error: 'ping' was not declared in this scope
   int dist = ping(a, b);
              ^~~~
network.cpp:14:14: note: suggested alternative: 'uint'
   int dist = ping(a, b);
              ^~~~
              uint
network.cpp:23:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 1; i < p[d].size(); i++) {
                    ~~^~~~~~~~~~~~~
network.cpp:27:11: error: 'travelTo' was not declared in this scope
           travelTo(a);
           ^~~~~~~~
network.cpp:36:7: error: 'travelTo' was not declared in this scope
       travelTo(a);
       ^~~~~~~~
network.cpp:40:3: error: 'travelTo' was not declared in this scope
   travelTo(b);
   ^~~~~~~~
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]);
             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~