View Compilation Error

0_0_28867523_21936.cpp:4:2: error: invalid preprocessing directive #decine
 #decine F(a, b) for(int a = 1; a <= b; a++)
  ^
0_0_28867523_21936.cpp:5:2: error: invalid preprocessing directive #decine
 #decine mem(a) memset(a, 0,sizeof(a))
  ^
0_0_28867523_21936.cpp: In function 'int main()':
0_0_28867523_21936.cpp:39:7: error: 'mem' was not declared in this scope
  mem(a);
       ^
0_0_28867523_21936.cpp:42:4: error: 'i' was not declared in this scope
  F(i, t)
    ^
0_0_28867523_21936.cpp:42:8: error: 'F' was not declared in this scope
  F(i, t)
        ^