foo.cc: In function 'void fdij()':
foo.cc:27:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   27 |     for (int i=1;i<=n;i++) dis[i] = INF, vi[i] = false, pre[i] = 0; dis[1] = 0;
      |     ^~~
foo.cc:27:69: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   27 |     for (int i=1;i<=n;i++) dis[i] = INF, vi[i] = false, pre[i] = 0; dis[1] = 0;
      |                                                                     ^~~
foo.cc: In function 'void dij()':
foo.cc:48:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   48 |     for (int i=1;i<=n;i++) dis[i] = INF, vi[i] = false; dis[1] = 0;
      |     ^~~
foo.cc:48:57: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   48 |     for (int i=1;i<=n;i++) dis[i] = INF, vi[i] = false; dis[1] = 0;
      |                                                         ^~~
foo.cc: In function 'int main()':
foo.cc:67:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   67 |     scanf("%d%d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~
foo.cc:73:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   73 |         scanf("%d %d %d", &x, &y, &z);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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