BNU OJ 51000 BQG's Random String

#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;

const int maxn=+;
char s[maxn];

int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        scanf("%s",s);
        int len=strlen(s);
        int ans=;
        for(int i=;s[i];i++)
        {
            if(i<len&&i+<len&&i+<len&&s[i]=='Q'&&s[i+]=='A'&&s[i+]=='Q')
        ans++;
        }
        printf("%d\n",ans);

    }
    return ;
}