test.cpp

1、对于凯撒密文

#include <fstream>
#include <iostream>
#include <cstdlib>
#include <cmath>
#include <ctime>
using namespace std;
clock_t start , finish;
ifstream in("back_tetra.txt");
ofstream out("output.txt");
int tt[26][26][26][26];

char a,b,c,d,temp;
int num;
float ft;
char aa = 'a';
void main()
{
	out << "void MakeFreq(int tetfreq[26][26][26][26])" << endl;
	out << "{" << endl;
	for ( int i = 0 ; i < 26 ; i ++ )
		for ( int j = 0 ; j < 26 ; j ++ )
			for ( int k = 0 ; k < 26 ; k ++ )
				for ( int l = 0 ; l < 26 ; l ++ )
				{
					in >> a >> b >> c >> d >> num;
					out << "tetfreq[" << i << "]" << 
						"[" << j << "]" << 
						"[" << k << "]" << 
						"[" << l << "]" << 
						"=" << num << ";" << endl; 
				}
	out << "}" << endl;
}