#include "network.h" #include <bits/stdc++.h> using namespace std; const int maxn = 1e3 + 5; int dist[maxn]; void findRoute(int N, int a, int b){ vector<int> spath; for (int i = 1; i <= N; i++){ if (i != a) dist[i] = ping(a, i) + 1; } for (int cur_node = b; cur_node != a;){ spath.push_back(cur_node); for (int i = 1; i <= N; i++){ if (dist[i] == dist[cur_node] - 1 && ping(cur_node, i) == 0){ cur_node = i; break; } } } int i = spath.end() - spath.begin(); while (i--) travelTo(spath[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]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~~~~~