45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
#include <iostream>
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#include <vector>
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int main() {
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int *p = new int[1];
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int len = 1;
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std::vector<int> v;
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int num;
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std::cout << "Please enter a number: ";
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std::cin >> num;
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v.push_back(num); //vector append
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p[0] = num;
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while (num != 0) {
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std::cout << "Please enter a number: ";
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std::cin >> num;
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v.push_back(num); //vector append
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// realloc
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int* temp = new int[len + 1]; //create a new temporary array to "transport values"
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//std::copy(p, p + len, temp);
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for (int i = 0; i < len; i++) temp[i] = p[i]; //copy contents of current array to temp arr
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temp[len] = num; //add new number to end of temp array
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delete [] p; //delete (free the memory) array p in preparation for resize
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p = temp; //set old array to the temp array
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len++;
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}
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std::cout << "Vector: " << std::endl;
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for (int i : v) {
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std::cout << i << " " << std::endl;
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}
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std::cout << std::endl << "Array: " << std::endl;
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for (int i = 0; i < len; i++) {
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std::cout << p[i] << " " << std::endl;
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}
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delete [] p;
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return 0;
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}
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