#include "network.h" #include <bits/stdc++.h> using namespace std; void findRoute (int N, int a, int b) { /* * Obviously, this is not a good solution. * Replace it with your own code. */ int dist= ping(a,b), prv=a; vector<int> fa(N+1, -1), tob(N+1, -1); fa[b] = dist; vector<bool> vst(N+1, false); vst[a] = true; for (int i=0; i<=dist; i++) { for (int j=1; j<=N; j++) { if (vst[j]) continue; if (fa[j] == -1) fa[j] = ping(a, j); if (tob[j] == -1 && j != b) tob[j] = (j != b ? ping(j, b) : 0); //cout<< j<< ' '<<fa[j]<< ' '<< tob[j]<< ' '<< dist<< '\n'; if (fa[j] == i && tob[j] == dist-fa[j]-1 && ping(prv, j) == 0) { travelTo(j); vst[j] = true; prv = j; break; } } } }

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]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~