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압축1 ¶
~cpp
#include<fstream>
#include<iostream>
#include<string>
using namespace std;
void main()
{
ifstream fin("input.txt");
ofstream fout("output.txt");
char temp = NULL;
int number = 0;
string pass;
fin >> pass;
for(int i = 0;pass[i];i++)
{
if(pass[i] != temp)
{
if(i!=0)
fout << number << temp;
temp = pass[i];
number = 1;
}
else
{
number ++;
}
}
fout << number << temp;
}
압축2 ¶
~cpp
#include<fstream>
#include<iostream>
#include<string>
using namespace std;
void main()
{
ifstream fin("input.txt");
ofstream fout("output.txt");
char temp = NULL;
int number;
string pass;
fin >> pass;
for(int i = 0;pass[i];i++)
{
if(i==0)
temp = pass[i];
else
{
pass[i] = (temp-pass[i])+48;
if(pass[i] < 48 )
{
number = pass[i] - 48;
fout << number;
continue;
}
}
fout << pass[i];
}
}
해제1 ¶
~cpp
#include<fstream>
#include<iostream>
#include<string>
using namespace std;
void main()
{
ifstream fin("output.txt");
ofstream fout("input.txt");
int decimal;
int num;
char pass[20];
fin >> pass;
int length = strlen(pass);
for(int i = (length-1); i < 0; i--)
{
if(isalpha(pass[i]))
{
decimal = 1;
num = (pass[i] - 48) * decimal;
decimal *= 10;
else
dacimal
}
해제2 ¶
~cpp
#include<fstream>
#include<iostream>
#include<string>
using namespace std;
void main()
{
ifstream fin("output.txt");
ofstream fout("input.txt");
char temp = NULL;
string pass;
fin >> pass;
for(int i = 0;pass[i];i++)
{
if(i==0)
temp = pass[i];
else
{
if(pass[i] == 45)
{
i++;
pass[i] = temp+(pass[i]-48);
}
else
pass[i] = temp-(pass[i]-48);
}
fout << pass[i];
}
}