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| #define _CRT_SECURE_NO_WARNINGS
#include "stdafx.h"
#include <iostream>
#include <cmath>
#include <fstream>
#include <iomanip>
#include <string>
using namespace std;
float Abs(float b)
{
if (b > 0)
return b;
else
return -b;
}
double f(double x, int i)
{
return pow(-1, i)*log(1 + x*x) / sqrt(1 + x*x);
}
float E(float b)
{
b = b * 10000;
int k = b;
float result = (float)k / 10000;
return result;
}
float* create(int &n, ifstream &in)
{
int i;
float *x = new float[n];
in >> x[0];
for (i = 1; i < n; i++)
{
x[i] = E(f(x[i - 1], i + 1));
}
return x;
}
void sort(float *x, int n)
{
int i, j;
float temp;
for ( i = 0; i<n; i++)
for ( j = 0; j < i; j++)
{
if (x[i] < x[j])
{
temp = x[i];
x[i] = x[j];
x[j] = temp;
}
}
}
void show(float *x, int n, ofstream &out, int num)
{
string str = "";
if (num == 1)
{
int i;
string chain = "chain";
for ( i = sizeof(chain) / 2; i < n * 10 + 4; i++)
out << " ";
out << chain;
out << endl;
for ( i = 0; i < n * 20 + 8; i++)
out << '*';
out << endl;
out << " *";
for ( i = 1; i < n + 1; i++)
{
char tmp[20];
sprintf_s(tmp, "%d", i);
str = tmp;
while (strlen(str.c_str())<9)
{
str =str+ " ";
}
out << " " << str << '*';
str = "";
}
out << endl;
for ( i = 0; i < n * 20 + 8; i++)
out << '*';
out << endl;
out << "first *";
}
else
out << "second *";
int i;
for ( i = 0; i < n; i++)
{
char tmp[20];
sprintf_s(tmp, "%f", x[i]);
//переводит число в массив чаров
str = tmp;
//переводит массив чаров в строку
while (strlen(str.c_str())<13)
{
str =str+ " ";
}
out << " " << str << '*';
str = "";
}
out << endl;
for ( i = 0; i < n * 20 + 8; i++)
out << '*';
out << endl;
}
int main()
{
int n;
ofstream out("OUTPUT.txt");
ifstream in("INPUT.txt");
in >> n;
float *x = create(n, in);
show(x, n, out, 1);
sort(x, n);
show(x, n, out, 2);
out.close();
return 0;
} |
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