ofstream_vector.cpp
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	#include <cassert>
	#include <fstream>
	#include <iostream>

	int main(int argc, char *argv[]) {
	double x[3] = {0.0, 1.0, 0.0};
	double y[3] = {0.0, 0.0, 1.0};

	std::ofstream write_output("Output.dat");
	assert(write_output.is_open());

	for (int i = 0; i < 3; i++) {
	write_output << x[i] << " " << y[i] << "\n";
	}

	write_output.close();
	return 0;
	}