View Compilation Error

0_0_20698551_5725.cpp: In function 'void dfs(int, int, int)':
0_0_20698551_5725.cpp:19:19: error: 'mp' was not declared in this scope
                if(mp[nx][ny]!='X')
                   ^
0_0_20698551_5725.cpp:22:30: error: 'dir' was not declared in this scope
                        dfs(x+dir[i][0],y+dir[i][1],t+1);  
                              ^