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  1. Practice
  2. C++
  3. Introduction
  4. Arrays Introduction
  5. Discussions

Arrays Introduction

  • ness_eg + 1 comment

    Why did you add '&& N' in 'while(cout<

    • JChiquin + 2 comments

      That's because only with cout the loop will never end, so I add other constraints, when N will be 0 the loop will end (N is like an inverse iterator).

      Sorry my english

      • ness_eg + 0 comments

        thank you ^^

      • narutoitachi329 + 1 comment
        int main() {
  int n, i = 0;
  cin >> n;
  int a[n];
  for (; i < n; i++)
    cin >> a[i];
  for (; i >0; i--)
    cout << a[i- 1] <<" ";
  return 0;
}
        • JChiquin + 1 comment

          You shouldn't use arrays like that. In fact, a is initialized with the first value of n what is garbage, something like 39281233, because is initialized in compile time not execution time, for dinamic size you must use pointers and the keyword new or vector from std.