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View Compilation Error

0_0_23249205_6816.cpp:26:15: error: 'int cos [32]' redeclared as different kind of symbol
 int n,m,cos[32],vis[210*210],dis[210*210];
               ^
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_23249205_6816.cpp:3:
GCC4.9.2/x86_64-w64-mingw32/include/math.h:139:18: note: previous declaration 'double cos(double)'
   double __cdecl cos(double _X);
                  ^
0_0_23249205_6816.cpp: In function 'void dij(int, int)':
0_0_23249205_6816.cpp:50:20: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
             cos[pos]=min(cos[pos],dis[u]);
                    ^
0_0_23249205_6816.cpp:50:33: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
             cos[pos]=min(cos[pos],dis[u]);
                                 ^
0_0_23249205_6816.cpp: In function 'int main()':
0_0_23249205_6816.cpp:94:17: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
            cos[i]=INF;
                 ^
0_0_23249205_6816.cpp:101:41: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
            dp[i][1<<i]=map[x1][y1]+cos[i];    //直接访问i点并出边界的代价
                                         ^
0_0_23249205_6816.cpp:122:45: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
            ans=min(ans,dp[i][(1<<k)-1]+cos[i]);
                                             ^


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