foo.cc: In function 'int main()':
foo.cc:14:3: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
   if (k[i]>k[i+1])u+=1;p=i;
   ^~
foo.cc:14:24: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
   if (k[i]>k[i+1])u+=1;p=i;
                        ^
foo.cc:16:14: warning: 'p' may be used uninitialized in this function [-Wmaybe-uninitialized]
  if (k[0]>k[p])u-=1;
           ~~~^

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