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View Compilation Error

0_0_22356119_12710.cpp:12:13: error: 'int cos [205]' redeclared as different kind of symbol
 int cos[maxn];
             ^
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_22356119_12710.cpp:5:
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_22356119_12710.cpp: In function 'void dij()':
0_0_22356119_12710.cpp:26:13: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     if(cos[x]==inf){
             ^
0_0_22356119_12710.cpp:30:17: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     sum += cos[x]*y;
                 ^
0_0_22356119_12710.cpp:32:27: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    if(sum>=0 && cos[pos[j]]>sum)cos[pos[j]] = sum;
                           ^
0_0_22356119_12710.cpp:32:43: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
    if(sum>=0 && cos[pos[j]]>sum)cos[pos[j]] = sum;
                                           ^
0_0_22356119_12710.cpp: In function 'int main()':
0_0_22356119_12710.cpp:46:28: error: ISO C++ forbids applying 'sizeof' to an expression of function type [-fpermissive]
   memset(cos,inf,sizeof(cos));
                            ^
0_0_22356119_12710.cpp:46:29: error: cannot resolve overloaded function 'cos' based on conversion to type 'void*'
   memset(cos,inf,sizeof(cos));
                             ^
0_0_22356119_12710.cpp:53:10: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     cos[i] = c;
          ^
0_0_22356119_12710.cpp:73:15: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     if(j-cos[i]>=0)dp[j] = max(dp[j],dp[j-cos[i]]+pri[i]);
               ^
0_0_22356119_12710.cpp:73:48: error: invalid types '<unresolved overloaded function type>[int]' for array subscript
     if(j-cos[i]>=0)dp[j] = max(dp[j],dp[j-cos[i]]+pri[i]);
                                                ^


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