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Source Code
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#include <iostream>
#include <array>
#include <vector>
int main(void)
{
std::array<double, 10> data1;
data1[5] = 9.87;
data1[0] = -7.8765;
data1[9] = 1000.343;
std::cout << data1[5] << "\n";
for (auto val : data1) {
std::cout << val << "\n";
}
std::vector<double> data2;
data2.resize(4); // size = 4, capacity 4
data2[3] = 9.87;
data2[0] = -7.8765;
data2[1] = 1000.343;
std::cout << data2[2] << std::endl;
for (auto & val : data2) { // reference
val *= 2; // modify the value
std::cout << val << "\n";
}
data2.resize(5); // size = 5, capacity = 8 (double the initial, to avoid frequent mallocs)
data2.push_back(0.987); // size = 6, capacity = 8
data2.push_back(12343.987); // size = 7, capacity = 8
data2.push_back(-0.000987); // size = 8, capacity = 8
data2.push_back(3.986544); // size = 9, capacity = 16
return 0;
}
Compiling Program...
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Text
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