View Compilation Error

0_0_21271140_25808.cpp: In function 'int dfs(int, int)':
0_0_21271140_25808.cpp:47:41: error: redeclaration of 'int tmp'
   int op=s.pos,zx=op>>2,zy=op&3,nxt=127,tmp,np;
                                         ^
0_0_21271140_25808.cpp:42:7: note: 'int tmp' previously declared here
   int tmp = x+hv;
       ^