/in/foo.c: In function 'main':
/in/foo.c:9:2: warning: this 'while' clause does not guard... [-Wmisleading-indentation]
  while(s<=k);
  ^~~~~
/in/foo.c:10:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'while'
  {
  ^