View Compilation Error

0_0_38251193_29505.cpp: In function 'void bfs()':
0_0_38251193_29505.cpp:37:21: error: 'bestx' was not declared in this scope
                     bestx[i] = tp.x[i];
                     ^
0_0_38251193_29505.cpp:51:21: error: 'bestx' was not declared in this scope
                     bestx[i] = newp.x[i];
                     ^
0_0_38251193_29505.cpp: In function 'int main()':
0_0_38251193_29505.cpp:72:16: error: 'bestx' was not declared in this scope
         memset(bestx, 0, sizeof bestx);
                ^