View Compilation Error

0_0_22803144_12630.cpp:132:1: error: 'll' does not name a type
 ll dist(int x, int y) {  
 ^
0_0_22803144_12630.cpp: In function 'int main()':
0_0_22803144_12630.cpp:174:21: error: 'dist' was not declared in this scope
      if( dist( i, j ) <= mid ) {
                     ^