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View Compilation Error

0_0_37772976_29132.cpp: In function 'void Tarjan(int)':
0_0_37772976_29132.cpp:14:5: error: reference to 'stack' is ambiguous
     stack[++top] = x;
     ^
0_0_37772976_29132.cpp:6:48: note: candidates are: int stack [1005]
 int dfn[MAXN],vis[MAXN],low[MAXN],belong[MAXN],stack[MAXN],dfs_num=0,top=0,cnt=0; 
                                                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/stack:61:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:88,
                 from 0_0_37772976_29132.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_stack.h:99:11: note:                 template<class _Tp, class _Sequence> class std::stack
     class stack
           ^
0_0_37772976_29132.cpp:32:17: error: reference to 'stack' is ambiguous
             j = stack[top--];
                 ^
0_0_37772976_29132.cpp:6:48: note: candidates are: int stack [1005]
 int dfn[MAXN],vis[MAXN],low[MAXN],belong[MAXN],stack[MAXN],dfs_num=0,top=0,cnt=0; 
                                                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/stack:61:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:88,
                 from 0_0_37772976_29132.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_stack.h:99:11: note:                 template<class _Tp, class _Sequence> class std::stack
     class stack
           ^
0_0_37772976_29132.cpp: In function 'void init()':
0_0_37772976_29132.cpp:45:12: error: reference to 'stack' is ambiguous
     memset(stack,0,sizeof(stack));
            ^
0_0_37772976_29132.cpp:6:48: note: candidates are: int stack [1005]
 int dfn[MAXN],vis[MAXN],low[MAXN],belong[MAXN],stack[MAXN],dfs_num=0,top=0,cnt=0; 
                                                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/stack:61:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:88,
                 from 0_0_37772976_29132.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_stack.h:99:11: note:                 template<class _Tp, class _Sequence> class std::stack
     class stack
           ^
0_0_37772976_29132.cpp:45:27: error: reference to 'stack' is ambiguous
     memset(stack,0,sizeof(stack));
                           ^
0_0_37772976_29132.cpp:6:48: note: candidates are: int stack [1005]
 int dfn[MAXN],vis[MAXN],low[MAXN],belong[MAXN],stack[MAXN],dfs_num=0,top=0,cnt=0; 
                                                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/stack:61:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/x86_64-w64-mingw32/bits/stdc++.h:88,
                 from 0_0_37772976_29132.cpp:1:
GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_stack.h:99:11: note:                 template<class _Tp, class _Sequence> class std::stack
     class stack
           ^


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