View Compilation Error

0_0_22175859_13140.cpp: In function 'int pd(long long int)':
0_0_22175859_13140.cpp:186:7: error: 'dis' was not declared in this scope
    if(dis[i] [j]<=ll) 
       ^
0_0_22175859_13140.cpp: In function 'int main()':
0_0_22175859_13140.cpp:220:29: error: 'sort' was not declared in this scope
      sort(xkrsb+1,xkrsb+1+kk); 
                             ^