Main.cc: In function 'int main()':
Main.cc:18:13: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   18 |         if(i=1) sum++;
      |            ~^~
Main.cc: At global scope:
Main.cc:23:9: error: expected unqualified-id before 'return'
   23 |         return 0;
      |         ^~~~~~
Main.cc:24:1: error: expected declaration before '}' token
   24 | }
      | ^