1 2 3 4 5 6 7 8 9 10 11 12
#include <iostream> using namespace std; int main(){ int size; cin >> size; int *arr = new int [size]; for (int i = 0; i < size; i++) arr[i] = i; for (int j = 0; j < size; j++) cout << arr[j]; return 0; }