View Compilation Error

0_0_29068975_41.cpp: In function 'bool Find(int)':
0_0_29068975_41.cpp:14:6: error: 'linr' was not declared in this scope
   if(linr[x][i]&&!used[i]){
      ^
0_0_29068975_41.cpp:16:7: error: 'ntx' was not declared in this scope
    if(ntx[i]==0||Find(nxt[i])){
       ^
0_0_29068975_41.cpp: In function 'int main(int, char**)':
0_0_29068975_41.cpp:35:2: error: expected ';' before 'while'
  while(cin>>k&&k){
  ^
0_0_29068975_41.cpp:45:1: error: expected '}' at end of input
 }
 ^