foo.cc: In function 'int Dinic()':
foo.cc:56:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   56 |    while(ls=dfs(S,T,inf))
      |          ~~^~~~~~~~~~~~~
foo.cc: In function 'int main()':
foo.cc:70:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   70 |  scanf("%d%d%d",&R,&A,&t);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
foo.cc:74:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   74 |   scanf("%lf%lf",&X[i],&Y[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~
foo.cc:79:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   79 |   double x,y,v;scanf("%lf%lf%lf",&x,&y,&v);
      |                ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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