View Compilation Error

0_0_13499220_16264.cpp: In function 'int main()':
0_0_13499220_16264.cpp:17:28: error: 'memset' was not declared in this scope
    memset(map,0,sizeof(map));
                            ^
0_0_13499220_16264.cpp:18:11: error: 'cx' was not declared in this scope
    memset(cx,-1,sizeof(x));
           ^
0_0_13499220_16264.cpp:19:11: error: 'cy' was not declared in this scope
    memset(cy,-1,sizeof(y));
           ^
0_0_13499220_16264.cpp:37:19: error: 'path' was not declared in this scope
      ant += path(j);
                   ^
0_0_13499220_16264.cpp: In function 'int path(int)':
0_0_13499220_16264.cpp:59:8: error: invalid types 'int[int]' for array subscript
     x[x]=i;
        ^