#include "network.h" #include<bits/stdc++.h> using namespace std; void findRoute (int N, int a, int b) { int dist = ping(a,b)+1; int sz = dist+1; vector<int> arr(sz); arr[0] = a; arr[sz-1] = b; bool empty = true; int last = -1; for(int i = 1; i <= N; i++) { if(i == a || i == b) continue; if(empty) { int x = ping(a, i)+1; int y = ping(i, b)+1; if(x+y == dist) arr[x] = i; last = i; } else { int x = ping(a,i)+1; int y = ping(i,last)+1; if(x+y==last) { arr[x] = i; last = min(last, x); } } } for(int i = 1; i < sz; i++) travelTo(arr[i]); }

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