#include "network.h" #include <bits/stdc++.h> using namespace std; vector<int> dist[1005]; void findRoute (int N, int a, int b) { int d = ping(a, b); for (int i = 1; i <= N; i++) { if (i == a || i == b) continue; dist[ping(i, a)].emplace_back(i); } stack<int> s; int cur = b; for (int i = d - 1; i >= 0; i--) { for (auto x : dist[i]) { if (ping(x, cur) == 0) { s.push(x); cur = x; break; } } } while (!s.empty()) { travelTo(s.top()); s.pop(); } 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]
   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]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~