/in/foo.cc:116:6: error: expected unqualified-id before 'delete'
  116 | void delete(int n, Block *cur_block, int cur_off) {
      |      ^~~~~~
/in/foo.cc: In function 'int main()':
/in/foo.cc:217:20: warning: left operand of comma operator has no effect [-Wunused-value]
  217 |             delete(n, cur_block, cur_off);
      |                    ^
/in/foo.cc:217:34: warning: right operand of comma operator has no effect [-Wunused-value]
  217 |             delete(n, cur_block, cur_off);
      |                                  ^~~~~~~
/in/foo.cc:217:32: error: type 'int' argument given to 'delete', expected pointer
  217 |             delete(n, cur_block, cur_off);
      |                   ~~~~~~~~~~~~~^~~~~~~~~~