/in/foo.cc: In function 'int main()':
/in/foo.cc:10:24: error: 'memset' was not declared in this scope
  memset(f,-63,sizeof(f));
                        ^
/in/foo.cc:11:7: error: incompatible types in assignment of 'int' to 'int [2001]'
  f[0]=0;
       ^