Owl Get a Life

Compile Error

easyquestion.cpp: In function ‘int32_t main()’:
easyquestion.cpp:348:31: error: ‘fo’ was not declared in this scope; did you mean ‘fs’?
348 | if (u == v) { fo.writeLong(A[u], '\n'); continue; }
| ^~
| fs
easyquestion.cpp:389:21: error: ‘fo’ was not declared in this scope; did you mean ‘fs’?
389 | fo.writeLong(base_purchases + extra, '\n');
| ^~
| fs
easyquestion.cpp:394:21: error: ‘fo’ was not declared in this scope; did you mean ‘fs’?
394 | fo.writeLong(base_purchases + m, '\n');
| ^~
| fs
easyquestion.cpp:427:21: error: ‘fo’ was not declared in this scope; did you mean ‘fs’?
427 | fo.writeLong(base_purchases + m, '\n');
| ^~
| fs<