算法
(模拟) $O(N)$
答案为 $ans[A_i] = i$
C++ 代码
#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
using std::cin;
using std::cout;
using std::vector;
int main() {
int n;
cin >> n;
vector<int> a(n);
rep(i, n) cin >> a[i];
vector<int> ans(n);
rep(i, n) ans[a[i]-1] = i + 1;
rep(i, n) cout << ans[i] << " ";
return 0;
}