49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
|
/*
|
|||
|
|
* exercise.cpp
|
|||
|
|
*
|
|||
|
|
* Created on: 3 окт. 2021 г.
|
|||
|
|
* Author: alexander
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include "exercises.hpp"
|
|||
|
|
#include <math.h>
|
|||
|
|
|
|||
|
|
void exercise_1()
|
|||
|
|
{
|
|||
|
|
const unsigned int size = 10;
|
|||
|
|
int newIntValue = -3;
|
|||
|
|
double newDoubleValue = 2.2;
|
|||
|
|
|
|||
|
|
vector<int> v(size);
|
|||
|
|
generator(v, -10, 10);
|
|||
|
|
sort(v.begin(), v.end());
|
|||
|
|
print(v); // -9 -9 -4 3 3 4 6 8 9 10
|
|||
|
|
insert_sorted(v, newIntValue);
|
|||
|
|
print(v); // -9 -9 -4 -3 3 3 4 6 8 9 10
|
|||
|
|
|
|||
|
|
list<double> l(size);
|
|||
|
|
generator(l, -10.0, 10.0);
|
|||
|
|
l.sort();
|
|||
|
|
print(l); // -9.31992 -6.76971 -5.98545 -2.1297 -1.9722 -0.292701 0.715274 3.43089 4.35249 9.45377
|
|||
|
|
insert_sorted(l, newDoubleValue);
|
|||
|
|
print(l); // -9.31992 -6.76971 -5.98545 -2.1297 -1.9722 -0.292701 0.715274 2.2 3.43089 4.35249 9.45377
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
void exercise_2()
|
|||
|
|
{
|
|||
|
|
vector<double> v(100);
|
|||
|
|
|
|||
|
|
double error = 0;
|
|||
|
|
generator(v, -1000.0, 1000.0);
|
|||
|
|
|
|||
|
|
print(v); // 1-ый вектор - печать исходного вектора
|
|||
|
|
copy(v.begin(), v.end(), ostream_iterator<int> { cout, " " }); // 2-ой вектор - печать целочисленного вектора
|
|||
|
|
|
|||
|
|
for_each(v.begin(), v.end(), [&](const double &i)
|
|||
|
|
{
|
|||
|
|
error += pow(i - static_cast<int>(i), 2);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
cout << endl << error << endl;
|
|||
|
|
}
|