View Compilation Error

0_0_19867413_9303.cpp: In function 'int main(int, const char**)':
0_0_19867413_9303.cpp:27:18: error: 'j' was not declared in this scope
             if(h[j]<=h[j-1]) l[j]=l[j-1];
                  ^
0_0_19867413_9303.cpp:32:18: error: 'j' was not declared in this scope
             if(h[j]<=h[j+1]) r[j]=r[j+1];
                  ^