crypt

#include <fstream>
#include <cstring>
using namespace std;
int i,j,key,m,n,c,p;
string s;
int main()
{
	ifstream fi("crypt.in");
	ofstream fo("crypt.out");
	fi>>n;
	getline(fi,s);
	for(i=1;i<=n;i++)
	{
		getline(fi,s);
		m=s.length();
		key=0;
		for(j=2;j<=m;j++) key+=j;
		for(j=0;j<m;j++)
		{
			c=(int)s[j];
			if(c%8==1)//Grija la cele lungi
			{
				if((j%8==0) or(j%8==1)) p=0;
				if((j%8==2) or(j%8==3)) p=4;
				if((j%8==4) or(j%8==5)) p=8;
				if((j%8==6) or(j%8==7)) p=12;
				fo<<(char)(c-key+p);
			}
			if(c%8==2)
			{
				p=j/4;
				p*=8;
				if(j%2) p+=2;
				fo<<(char)(c-key+p);
			}
			if(c%8==3)
			{
				p=j/4;
				p*=8;
				fo<<(char)(c-key+p);
			}
			if(c%8==4)//Grija la cele lungi
			{
				p=j/8;
				p*=16;
				if(j%4==1) p+=2;
				if(j%4==2) p+=4;
				if(j%4==3) p+=6;
				fo<<(char)(c-key+p);
			}
			if(c%8==5)//Grija la cele lungi
			{
				p=j/8;
				p*=16;
				if((j%4==2) or(j%4==3)) p+=4;
				fo<<(char)(c-key+p);
			}
			if(c%8==6)
			{
				p=0;
				if(j%2) p=2;
				fo<<(char)(c-key+p);
			}
			if(c%8==7)
			{
				fo<<(char)(c-key);
			}
			if(c%8==0)
			{
				p=j*2;
				fo<<(char)(c-key+p);
			}
		}
		fo<<"\n";
	}
	return 0;
}