View Compilation Error

0_0_29652664_22025.cpp:57:14: error: conflicting declaration 'bool vis [70]'
 bool vis[maxn];
              ^
0_0_29652664_22025.cpp:11:48: note: previous declaration as 'int vis [70]'
 int C[maxnode],H[maxnode],coln[maxm],ans[maxn],vis[maxn];
                                                ^