题解 | #明明的随机数#
明明的随机数
https://www.nowcoder.com/practice/3245215fffb84b7b81285493eae92ff0
#include <iostream> using namespace std; int main() { int n, b; cin >> n; if (n <= 0 || n > 1000) { cerr << "Invalid input size." << endl; return 1; } int* a = new int[n]; int c[1000] = {0}; for (int i = 0; i < n; i++) { cin >> a[i]; } for (int i = 0; i < n; i++) { b = a[i]; ++c[b]; } for (int k = 0; k < 1000; k++) { if (c[k] != 0) { cout << k << endl; } } return 0; }