View Compilation Error

0_0_31572778_26583.cpp: In function 'bool cmp(node, node)':
0_0_31572778_26583.cpp:23:22: error: 'B' was not declared in this scope
         return A.x < B.x;
                      ^
0_0_31572778_26583.cpp: In function 'll dis(node, node)':
0_0_31572778_26583.cpp:35:4: error: redefinition of 'll dis(node, node)'
 ll dis(node A, node B){
    ^
0_0_31572778_26583.cpp:18:4: note: 'll dis(node, node)' previously defined here
 ll dis(node A, node B){
    ^