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View Compilation Error

0_0_15722951_22942.cpp:49:16: error: 'int log [1010]' redeclared as different kind of symbol
 int log[MAXN+10];//第i个前面的老鼠是j
                ^
In file included from GCC4.9.2/x86_64-w64-mingw32/include/c++/cmath:44:0,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/random:38,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/bits/stl_algo.h:66,
                 from GCC4.9.2/x86_64-w64-mingw32/include/c++/algorithm:62,
                 from 0_0_15722951_22942.cpp:22:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:149:18: note: previous declaration 'double log(double)'
   double __cdecl log(double _X);
                  ^
0_0_15722951_22942.cpp: In function 'void solve()':
0_0_15722951_22942.cpp:63:26: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
                     log[i] = j;
                          ^
0_0_15722951_22942.cpp:97:46: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     for( int i = residx ; i != -1 ; i = log[i] )
                                              ^
0_0_15722951_22942.cpp: In function 'int main(int, char**)':
0_0_15722951_22942.cpp:118:14: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
         log[N] = -1;
              ^


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