зависло

#include <stdio.h>
#include <string.h>
#include <math.h>
#include <algorithm>
#include <map>
#include <vector>
#include <ctype.h>
#include <set>

using namespace std;

int main()
{
    int a[101] = {0};
    int b[101] = {0};
    int c[3][101];

    int n;
    int i,j,k;
    scanf("%d",&n);

    int q;
    q = (n+1)/2;

    for(i=1;i<=q;++i)
    {
        for(j=1;j<=n;++j)
        {
            c[1][j] = c[2][j];
            c[2][j] = 0;
        }

        printf("Q %d %d",i,i+q-1);
        fflush(stdout);

        for(j=1;j<=q;++j)
        {
            scanf("%d",&k);
            b[k]++;
            c[2][k] = 1;
        }

        if(i!=1)
        {
            for(j=1;j<=n;++j)
                if(c[1][j] == 1 && c[2][j] == 0)
                    a[i-1] = j;
                else if(c[1][j] == 0 && c[2][j] == 1)
                    a[i+q-1] = j;
        }

        if(i == q)
        {
            for(j=1;j<=n;++j)
                if(b[j] == q)
                    a[q] = j;
                else if(b[j] == 0)
                    a[n] = j;
        }

    }

    printf("A ");
    fflush(stdout);
    for(i=1;i<=n;++i)
    {
        printf("%d ",a[i]);
        fflush(stdout);
    }

    return 0;
}