69 lines
1.4 KiB
C++
69 lines
1.4 KiB
C++
#include <iostream>
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#include <fstream>
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#include <sstream>
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#include <vector>
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using namespace std;
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class Newton
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{
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public:
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void readFromFile(string filename)
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{
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string str;
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// stopien = 0;
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fstream file(filename);
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if (!file)
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{
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cerr << "Nie udalo sie otworzyc pliku o nazwie: " << filename << "\n";
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exit(EXIT_FAILURE);
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}
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while (getline(file, str))
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{
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std::istringstream iss(str);
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if (iss >> a >> b) {
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x.push_back(a);
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y.push_back(b);
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}
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}
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file.close();
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}
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void oblicz()
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{
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}
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void wyswietl_x_y()
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{
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for (int i = 0; i < x.size(); i++)
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{
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cout << "x" << i << ": " << x[i] << "\t \t" << "y" << i << ": " << y[i] << "\n";
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}
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}
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void wyswietl_tabela()
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{
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std::cout << std::setw(5) << "i" << std::setw(10) << "x" << std::setw(10) << "y" << std::endl; // Table headers
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std::cout << std::string(26, '-') << std::endl;
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for (size_t i = 0; i < x.size(); ++i)
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{
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std::cout << std::setw(5) << i << std::setw(10) << x[i] << std::setw(10) << y[i] << std::endl; // Table rows
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}
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}
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private:
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float a, b;
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vector<float> x ,y;
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};
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int main()
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{
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Newton first;
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first.readFromFile("input.txt");
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// first.wyswietl_x_y();
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first.wyswietl_tabela();
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return 0;
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} |