[C++] Simple Solution
Code
# Code
```cpp []
class Solution {
public:
    vector<int> circularGameLosers(int n, int k) {
        vector<int> v(n, 0);
        int mult = 1;
        int idx = 0;
        v[0] = 1;
        while(true) {
            v[(idx+k*mult)%n]++;
            if(v[(idx+k*mult)%n] > 1) break;
            idx = (idx+k*mult)%n;
            mult++;
        }

        vector<int> ans;
        for(int i=0; i<n; i++) {
            if(v[i] == 0) {
                ans.push_back(i+1);
            }
        }

        return ans;
    }
};
```
['C++']