func_code_string: #include <bits/stdc++.h>   using namespace std;   const int mod = 998244353;   long long powmod(long long a, long long b) {     long long res = 1;     for (; b; b >>= 1) {       if (b & 1) (res *= a) %= mod;       (a *= a) %= mod;     }     return res;   }   int main() {     ios::sync_with_stdio(false);     cin.tie(0);     int n;     cin >> n;     vector<int> a(n);     for (int i = 0; i < n; ++i) cin >> a[i];     long long ans = 0, now = 1, x = powmod(100, mod - 2);     for (int i = 0; i < n; ++i) {       (ans += now) %= mod;       (now *= a[i]) %= mod;       (now *= x) %= mod;     }     (ans *= powmod(now, mod - 2)) %= mod;     cout << ans <<   n ;     return 0;   }   