Amplitude Hackathon '23 Practice Problem 1 - Gigatron EPS Modulo 998244353

    1#include <bits/stdc++.h>
    2using namespace std;
    3using ll = long long;
    4using i128 = __int128;
    5const int inf = 1e9;
    6const ll INF = 2e18; //❄️
    7int main() {
    8    ios::sync_with_stdio(0); cin.tie(0); 
    9    int n; cin >> n;
    10    ll ans = 0;
    11    const int mod = 998244353;
    12    for (int i = 0; i < n; i++) {
    13        ll x; cin >> x;
    14        ans += x;
    15        if (ans >= mod) ans -= mod;
    16    }
    17    cout << ans << '\n';
    18    return 0;
    19}