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View Compilation Error

0_0_17514970_9829.cpp:8:79: error: 'int cos [20]' redeclared as different kind of symbol
 int map[205][205],tre[205][205],dis[205*205],vis[205][205],cost[20][20],cos[20];
                                                                               ^
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_17514970_9829.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_17514970_9829.cpp: In function 'void bfs(int, int)':
0_0_17514970_9829.cpp:53:14: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    if(cos[pos]>dis[u])
              ^
0_0_17514970_9829.cpp:54:11: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    cos[pos]=dis[u];
           ^
0_0_17514970_9829.cpp: In function 'int main()':
0_0_17514970_9829.cpp:93:9: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    cos[i]=INF;
         ^
0_0_17514970_9829.cpp:99:37: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    dp[i][1<<i]=map[u[i]][v[i]]+cos[i];
                                     ^


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