/in/foo.cc: In function 'int main()':
/in/foo.cc:11:3: warning: 'n' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if(a[i]==n)
   ^~

VJ4Error('ProblemDataNotFoundError', '题目 5bf6705cd3d8a136627038fa 的数据未找到。', 'DONGDENG', '5bf6705cd3d8a136627038fa')