View Compilation Error

0_0_18527171_17762.cpp: In function 'int main()':
0_0_18527171_17762.cpp:52:2: error: 'nbsp' was not declared in this scope
     int t;
  ^
0_0_18527171_17762.cpp:70:133: error: 'kkk' was not declared in this scope
                     int x=i+dir[kkk][0],y=j+dir[kkk][1];
                                                                                                                                     ^
0_0_18527171_17762.cpp:71:137: error: 'y' was not declared in this scope
                     if(a[i][j]>a[x][y])
                                                                                                                                         ^
0_0_18527171_17762.cpp:73:163: error: 'y' was not declared in this scope
                         cnt+=a[i][j]-a[x][y];
                                                                                                                                                                   ^
0_0_18527171_17762.cpp:75:121: error: 'else' without a previous 'if'
                     else
                                                                                                                         ^
0_0_18527171_17762.cpp:76:145: error: continue statement not within a loop
                         continue;
                                                                                                                                                 ^