选大王
1 #include <iostream> 2 #include <algorithm> 3 using namespace std; 4 5 int main(){ 6 int n, m; 7 while (cin >> n >> m){ 8 int ans = 0; 9 for (int i = 2; i <= n; i++){ 10 ans = (ans + m) % i; 11 } 12 cout << ans + 1 << endl; 13 } 14 15 return 0; 16 }