运行 ID: 31699

Main.cc: In function ‘int main()’:
Main.cc:15:13: error: ‘li’ was not declared in this scope
   for(int i=li<=r;i++){
             ^~
Main.cc:15:13: note: suggested alternative: ‘i’
   for(int i=li<=r;i++){
             ^~
             i
Main.cc:15:22: error: expected ‘;’ before ‘)’ token
   for(int i=li<=r;i++){
                      ^