View Compilation Error

0_0_17507512_24113.cpp: In function 'int main()':
0_0_17507512_24113.cpp:211:43: error: 'n' was not declared in this scope
  for(scanf("%d",&T);T--;printf("%d\n",ans[n][k]))
                                           ^
0_0_17507512_24113.cpp:211:46: error: 'k' was not declared in this scope
  for(scanf("%d",&T);T--;printf("%d\n",ans[n][k]))
                                              ^