(1.1.7)UVA 10935 Throwing cards away I(直叙式模拟)

#include   
#include   
#include   
  
using namespace std;  
  
int main() {  
    int n;  
    const int maxn = 55;  
    int ans[maxn];  
    while (scanf("%d", &n) != EOF, n) {  
        int i;  
  
        queue q;  
        for (i = 1; i <= n; ++i) {  
            q.push(i);  
        }  
  
        int k = 0;  
  
        while (!q.empty()) {  
            ans[k++] = q.front();  
            q.pop();  
  
            if (!q.empty()) {  
                int t = q.front();  
                q.pop();  
                q.push(t);  
            }else{  
                break;  
            }  
        }  
  
        printf("Discarded cards:");  
        for (i = 0; i < n - 1; ++i) {  
            printf(i < n - 2   " %d," : " %d", ans[i], ans[i]);  
  
        }  
  
        printf("\nRemaining card: %d\n", ans[n - 1]);  
    }  
  
    return 0;  
}