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Все 3 генератора
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Генераторы, примеры
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@VulpesCorsac
VulpesCorsac committed Feb 7, 2014
1 parent 75f4557 commit 3acfbba
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211 changes: 211 additions & 0 deletions Gen1.cpp
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#include <algorithm>
#include <iostream>
#include <cstdio>
#include <ctime>
#include <string>

using namespace std;

int number_of_variants, min_number = 10, max_number = 100, max_gen = 30, maxx = 10000000;
int a, b, c, d, k;

void init();
void run();
void print(int a);
void make_random_variants();
bool check();

int main()
{
init();
cerr << "INITED" << endl;

for (int i = 0; i < number_of_variants; i++)
{
cerr << "MAKING VARIANT " << i + 1 << endl;
run();
print(i + 1);
}

cerr << "MAKIN RANOM VARIANT FOR TEST" << endl;
make_random_variants();

cerr << "ALL DONE - CLOSING";

return 0;
}

void init()
{
cerr << "Generator (c) Aloyan" << endl;
cerr << "Generating (x*/a +- b)*/c +- d = k, that can be solved with wrong operations" << endl;

a = b = c = d = k = 1;

srand(time(NULL));

freopen("output.txt", "w+", stdout);
cout << "Гeнeрaтoр примeрoв пo aлгeбрe (c) Алоян" << endl;
fclose(stdout);

cerr << "Number of variants? " << endl;
cin >> number_of_variants;
fclose(stdin);
}

void run()
{
int b0 = 0, c0 = 0, d0 = 0, k0 = 0;
int i = 0;

a = rand() % max_gen + min_number;

do
{
c0 = rand() % max_gen;
i++;
if (i > maxx)
{
i = 0;
srand(time(NULL));
}
}
while (c0 < 3);
cerr << "25% ";
i = 0;

do
{
d0 = rand() % max_gen;
i++;
if (i > maxx)
{
i = 0;
srand(time(NULL));
}
}
while (d0 < 3);
cerr << "50% ";
i = 0;

do
{
k0 = rand() % (max_number - min_number) + min_number;
i++;
if (i > maxx)
{
i = 0;
srand(time(NULL));
k0 = rand() % (max_number - min_number) + max_number;
}
}
while (k0 <= 4*c0 + d0);
cerr << "75% ";
i = 0;

do
{
b0 = (((k0 - d0) / c0) - (rand() % (k0 - d0) / c0) - 1);
i++;
if (i > max_gen)
{
i = 0;
srand(time(NULL));
}
}
while (b0 < 2);
cerr << "100%" << endl;

c = c0;
d = d0 * a * c;
k = k0 * a * c;
b = b0 * a;
if (!check())
{
cerr << "ERROR!!!" << endl;
system("PAUSE");
}
}

void print(int z)
{
freopen("output.txt", "a+", stdout);

cout << endl;
cout << "Вариант №" << z << endl;

cout << "(x*" << a << "+" << b << ")*" << c << "+" << d << "=" << k << ", x = " << (((k - d) / c - b) / a) << endl;
cout << "(x*" << a << "+" << b << ")*" << c << "-" << d << "=" << k << ", x = " << (((k + d) / c - b) / a) << endl;
cout << "(x*" << a << "+" << b << ")/" << c << "+" << d << "=" << k << ", x = " << (((k - d) * c - b) / a) << endl;
cout << "(x*" << a << "+" << b << ")/" << c << "-" << d << "=" << k << ", x = " << (((k + d) * c - b) / a) << endl;
cout << "(x*" << a << "-" << b << ")*" << c << "+" << d << "=" << k << ", x = " << (((k - d) / c + b) / a) << endl;
cout << "(x*" << a << "-" << b << ")*" << c << "-" << d << "=" << k << ", x = " << (((k + d) / c + b) / a) << endl;
cout << "(x*" << a << "-" << b << ")/" << c << "+" << d << "=" << k << ", x = " << (((k - d) * c + b) / a) << endl;
cout << "(x*" << a << "-" << b << ")/" << c << "-" << d << "=" << k << ", x = " << (((k + d) * c + b) / a) << endl;
cout << "(x/" << a << "+" << b << ")*" << c << "+" << d << "=" << k << ", x = " << (((k - d) / c - b) * a) << endl;
cout << "(x/" << a << "+" << b << ")*" << c << "-" << d << "=" << k << ", x = " << (((k + d) / c - b) * a) << endl;
cout << "(x/" << a << "+" << b << ")/" << c << "+" << d << "=" << k << ", x = " << (((k - d) * c - b) * a) << endl;
cout << "(x/" << a << "+" << b << ")/" << c << "-" << d << "=" << k << ", x = " << (((k + d) * c - b) * a) << endl;
cout << "(x/" << a << "-" << b << ")*" << c << "+" << d << "=" << k << ", x = " << (((k - d) / c + b) * a) << endl;
cout << "(x/" << a << "-" << b << ")*" << c << "-" << d << "=" << k << ", x = " << (((k + d) / c + b) * a) << endl;
cout << "(x/" << a << "-" << b << ")/" << c << "+" << d << "=" << k << ", x = " << (((k - d) * c + b) * a) << endl;
cout << "(x/" << a << "-" << b << ")/" << c << "-" << d << "=" << k << ", x = " << (((k + d) * c + b) * a) << endl;

fclose(stdout);
}

void make_random_variants()
{
freopen("output.txt", "r+", stdin);
freopen("variants.txt", "w+", stdout);

string s;
getline(cin, s);
// getline(cin, s);

cout << "Генератор примеров по алгебре (с) Алоян" << endl << endl;

for (int i = 0; i < number_of_variants; i++)
{
getline(cin, s);
getline(cin, s);

int q = 10;
while (q == 10 || q == 11)
q = rand() % 14;

for (int j = 0; j < q; j++)
getline(cin, s);

getline(cin, s);
cout << "Вариант №" << i + 1 << " ";
for (int i = 0; i < (int) s.length(); i++)
{
if (s[i] == ',')
break;

if (s[i] == '/')
cout << ":";
else
cout << s[i];
}
cout << endl;

for (int j = q + 1; j < 16; j++)
getline(cin, s);
}

fclose(stdin);
fclose(stdout);
}

bool check()
{
if (k > d)
if ((k - d) % c == 0)
if ((k + d) % c == 0)
if ((k - d) / c > b)
if (((k - d) / c - b) % a == 0)
return true;
return false;
}
104 changes: 104 additions & 0 deletions Gen2.cpp
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#include <algorithm>
#include <iostream>
#include <cstdio>
#include <ctime>
#include <string>

using namespace std;

int number_of_variants = 0, min_gen = 10, max_gen = 100, a, b, c;

void init()
{
srand(time(NULL));
cerr << "Generator (c) Aloyan" << endl;
cerr << "Generating a+- b*/x = c, can be solved with wrong priority" << endl;
cerr << "Number of variants? " << endl;
cin >> number_of_variants;

freopen("output.txt", "w+", stdout);
cout << "Гeнeрaтoр примeрoв пo aлгeбрe (c) Алоян" << endl;
fclose(stdout);

freopen("variants.txt", "w+", stdout);
cout << "Гeнeрaтoр примeрoв пo aлгeбрe (c) Алоян" << endl << endl;
fclose(stdout);
}

void generate(int q)
{
freopen("output.txt", "a+", stdout);
cout << endl << "Вариант № " << q << " " << endl;
cerr << "MAKING VARIANT " << q << endl;

a = b = c = 1;
int v = rand() % 2, a0 = 1, b0 = 1, c0 = 1;

if (v)
{
b0 = rand() % (max_gen - min_gen) + min_gen;
a0 = rand() % (max_gen - min_gen) + min_gen;
c0 = rand() % (max_gen - min_gen) + min_gen + a0 * b0;

b = b0;
a = a0 * b;
c = c0 * b;

cout << "Верный порядок" << endl;
cout << a << "+x*" << b << "=" << c << " x = " << (c - a) / b << endl;
cout << a << "+x/" << b << "=" << c << " x = " << (c - a) * b << endl;
cout << "Неверный порядок" << endl;
cout << a << "+x*" << b << "=" << c << " x = " << (c / b - a) << endl;
cout << a << "+x/" << b << "=" << c << " x = " << (c * b - a) << endl;

fclose(stdout);
freopen("variants.txt", "a+", stdout);

cout << "Вариант № " << q << " ";
int vv = rand() % 2;
if (vv)
cout << a << "+x*" << b << "=" << c << endl;
else
cout << a << "+x/" << b << "=" << c << endl;
}
else
{
b0 = rand() % (max_gen - min_gen) + min_gen;
c0 = rand() % (max_gen - min_gen) + min_gen;
a0 = rand() % (max_gen - min_gen) + min_gen + c0 * b0;

b = b0;
a = a0 * b;
c = c0 * b;

cout << "Верный порядок" << endl;
cout << a << "-x*" << b << "=" << c << " x = " << (a - c) / b << endl;
cout << a << "-x/" << b << "=" << c << " x = " << (a - c) * b << endl;
cout << "Неверный порядок" << endl;
cout << a << "-x*" << b << "=" << c << " x = " << (a - c / b) << endl;
cout << a << "-x/" << b << "=" << c << " x = " << (a - c * b) << endl;

fclose(stdout);
freopen("variants.txt", "a+", stdout);

cout << "Вариант № " << q << " ";
int vv = rand() % 2;
if (vv)
cout << a << "-x*" << b << "=" << c << endl;
else
cout << a << "-x/" << b << "=" << c << endl;
}

fclose(stdout);
}

int main()
{
init();
cerr << "INITED" << endl;
for (int i = 0; i < number_of_variants; i++)
generate(i + 1);
cerr << "ALL DONE - CLOSING";

return 0;
}
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