求助 ABC D题

#include<bits/stdc++.h>
#define int unsigned long long
using namespace std;
string s;
int q,tmp,len,g,now;
int N;
void output(char c)
{
	if(c <= 'Z' && c >= 'A') c = (int)c + 32;
	else c  = (int)c -32;
	cout<<c<<" ";
	return ;
}
void solve(int x)
{
	//cout<<"db\n";
	g = x/N;
	if(x%N!=0) g++;
	x -= (g-1)*N;
	//cout<<"g:"<<g<<" x:"<<x<<'\n';
	if(g % 2 == 0)
	{
		now = x/len;
		if(x%len!=0) now++;
		x -= (now-1)*len;
		if(now == 1 || now == 4)
		{
			output(s[x-1]);
		}
		else cout<<s[x-1]<<" ";
	}
	else
	{
		now = x/len;
		if(x%len!=0) now++;
		x -= (now-1)*len;
		// cout<<"now:"<<now<<'\n';
		// cout<<"x:"<<x<<'\n';
		if(now == 2 || now == 3)
		{
			output(s[x-1]);
		}
		else cout<<s[x-1]<<" ";
	}
}
signed main()
{
	cin>>s;
	//char k = 'a';
	//output(k);
	len = s.size();
	N = len * 4;
	cin>>q;
	//solve(3);
	while(q--)
	{
		cin>>tmp;
		solve(tmp);
	}
	return 0;
}