View Compilation Error

0_0_39430644_17950.cpp: In function 'int main()':
0_0_39430644_17950.cpp:22:9: error: 'ret' was not declared in this scope
   22 |         ret
      |         ^~~
0_0_39430644_17950.cpp:22:12: error: expected '}' at end of input
   22 |         ret
      |            ^
0_0_39430644_17950.cpp:4:11: note: to match this '{'
    4 | int main(){
      |           ^