foo.cc: In function 'll Dinic()':
foo.cc:58:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   58 |    while(ls=dfs(S,T,inf))
      |          ~~^~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:78:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'll' {aka 'long long int'} [-Wformat=]
   78 |  printf("%d",Dinic());
      |          ~^  ~~~~~~~
      |           |       |
      |           int     ll {aka long long int}
      |          %lld
foo.cc:65:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   65 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
foo.cc:69:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   69 |   int a,b,v;scanf("%d%d%d",&a,&b,&v);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~
foo.cc:72:13: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   72 |  int w;scanf("%d",&w);
      |        ~~~~~^~~~~~~~~
foo.cc:75:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   75 |   int x;scanf("%d",&x);
      |         ~~~~~^~~~~~~~~

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