View Compilation Error

0_0_39762327_14445.cpp:5:13: error: expected ']' before ';' token
    5 | int height[N;
      |             ^
      |             ]
0_0_39762327_14445.cpp: In function 'void init_set()':
0_0_39762327_14445.cpp:9:17: error: 'height' was not declared in this scope
    9 |                 height[i]=0;
      |                 ^~~~~~
0_0_39762327_14445.cpp: In function 'void merget_set(int, int)':
0_0_39762327_14445.cpp:17:12: error: 'height' was not declared in this scope
   17 |         if(height[x]==height[y]){
      |            ^~~~~~