foo.cc: In function 'int main()':
foo.cc:17:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if(t > s)
   ^~
foo.cc:19:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
    i++;
    ^
foo.cc:5:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
foo.cc:8:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&x,&y);
   ~~~~~^~~~~~~~~~~~~~~

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