View Compilation Error

0_0_38237184_18585.cpp: In function 'int main()':
0_0_38237184_18585.cpp:7:5: error: 'LL' was not declared in this scope
     LL a[6][201],b[40001],c[40001];
     ^
0_0_38237184_18585.cpp:14:20: error: 'a' was not declared in this scope
      scanf("%lld",&a[i][j]);
                    ^
0_0_38237184_18585.cpp:18:6: error: 'b' was not declared in this scope
      b[++p]=a[1][i]+a[2][j];
      ^
0_0_38237184_18585.cpp:18:13: error: 'a' was not declared in this scope
      b[++p]=a[1][i]+a[2][j];
             ^
0_0_38237184_18585.cpp:22:6: error: 'c' was not declared in this scope
      c[++q]=a[3][i]+a[4][j];
      ^
0_0_38237184_18585.cpp:22:13: error: 'a' was not declared in this scope
      c[++q]=a[3][i]+a[4][j];
             ^
0_0_38237184_18585.cpp:23:11: error: 'b' was not declared in this scope
      sort(b+1,b+1+p);
           ^
0_0_38237184_18585.cpp:24:11: error: 'c' was not declared in this scope
      sort(c+1,c+1+q);
           ^
0_0_38237184_18585.cpp:27:7: error: 'a' was not declared in this scope
       a[5][i]=-a[5][i];
       ^