/in/foo.cc: In function 'int main()':
/in/foo.cc:12:22: error: expected ';' before '<=' token
   12 |         for(int i=n,i<=m;i++) {
      |                      ^~
      |                      ;
/in/foo.cc:12:22: error: expected primary-expression before '<=' token
   12 |         for(int i=n,i<=m;i++) {
      |                      ^~