View Compilation Error

0_0_36617136_19067.cpp: In function 'int main()':
0_0_36617136_19067.cpp:50:9: error: invalid types 'node [105][double]' for array subscript
     a[kk].x=x1;
         ^
0_0_36617136_19067.cpp:51:9: error: invalid types 'node [105][double]' for array subscript
     a[kk].y=y1;
         ^