View Compilation Error

0_0_38885376_750.cpp: In function 'int lca(int, int)':
0_0_38885376_750.cpp:24:13: error: 'reint' was not declared in this scope; did you mean 'rint'?
   24 |         for(reint i = 19; i >= 0; --i){
      |             ^~~~~
      |             rint
0_0_38885376_750.cpp:24:27: error: 'i' was not declared in this scope
   24 |         for(reint i = 19; i >= 0; --i){
      |                           ^
0_0_38885376_750.cpp: At global scope:
0_0_38885376_750.cpp:35:1: error: cannot declare '::main' to be inline
   35 | inline int main(){
      | ^~~~~~