Owl Get a Life

Compile Error

mirrors.cpp: In function ‘int main()’:
mirrors.cpp:19:22: error: expected ‘;’ before ‘<=’ token
19 | for ( int d = -1, d <= 1; d+=2) {
| ^~~
| ;
mirrors.cpp:19:23: error: expected primary-expression before ‘<=’ token
19 | for ( int d = -1, d <= 1; d+=2) {
| ^~
mirrors.cpp:46:2: error: expected ‘}’ at end of input
46 | }
| ^
mirrors.cpp:4:12: note: to match this ‘{’
4 | int main() {
| ^