29 lines
531 B
C++
29 lines
531 B
C++
#include <iostream>
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#include <fstream>
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#include <cstdlib>
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int main()
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{
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std::ifstream input("input.txt");
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if (!input.is_open())
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{
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std::cerr << "could not open input.txt for reading.\n";
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return EXIT_FAILURE;
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}
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std::ofstream output("output.txt");
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if (!output.is_open())
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{
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std::cerr << "could not open output.txt for writing.\n";
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return EXIT_FAILURE;
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}
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output << input.rdbuf();
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if (!output)
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{
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std::cerr << "error copying the data.\n";
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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