View Compilation Error

0_0_17026715_11240.cpp:1:10: error: 'MAXN' was not declared in this scope
 int rank[MAXN],height[MAXN];
          ^
0_0_17026715_11240.cpp:1:23: error: 'MAXN' was not declared in this scope
 int rank[MAXN],height[MAXN];
                       ^
0_0_17026715_11240.cpp: In function 'void Height(int*, int*, int)':
0_0_17026715_11240.cpp:6:9: error: 'rank' was not declared in this scope
         rank[sa[i]]=i;
         ^
0_0_17026715_11240.cpp:7:19: error: 'height' was not declared in this scope
     for(i=k=0;i<n;height[rank[i++]]=k)
                   ^
0_0_17026715_11240.cpp:7:26: error: 'rank' was not declared in this scope
     for(i=k=0;i<n;height[rank[i++]]=k)
                          ^