koala.cpp: In function 'int maxValue(int, int)':
koala.cpp:17:9: error: 'vector' was not declared in this scope
17 | vector<int>psbl;
| ^~~~~~
koala.cpp:17:16: error: expected primary-expression before 'int'
17 | vector<int>psbl;
| ^~~
koala.cpp:19:17: error: 'psbl' was not declared in this scope
19 | psbl.push_back(i);
| ^~~~
koala.cpp:20:15: error: 'psbl' was not declared in this scope
20 | while(psbl.size() > 1){
| ^~~~
koala.cpp:22:17: error: 'fill' was not declared in this scope
22 | fill(B, B+N, 0);
| ^~~~
koala.cpp:25:17: error: 'PlayRound' was not declared in this scope; did you mean 'playRound'?
25 | PlayRound(B, R);
| ^~~~~~~~~
| playRound
koala.cpp:31:16: error: 'psbl' was not declared in this scope
31 | return psbl[0];
| ^~~~