评测姬

#include <bits/stdc++.h>
using namespace std;

signed main() {
    auto ST = chrono::steady_clock::now();

    // do some thing
    
    //mt19937_64 rd(chrono::system_clock::now().time_since_epoch().count());
    //uniform_int_distribution<int> dis(1, 998244353);

    //int P = dis(rd);
    int ans = 0;
    for (int i = 1; i <= 5e8; i++) ans = (ans + i) % 998244353;
    cerr << ans << endl;

    auto ED = chrono::steady_clock::now();
    cerr << "Timer diff : " << chrono::duration<double, milli>(ED - ST).count() << endl;
    return 0;
}

梦熊：\(2.2e8\) link
tg.hszxoj.com：\(2.3e8\) link
accoders NOI：\(2.4e8\) link
www.hszxoj.com：\(2.5e8\) link
uoj.ac：\(2.8e8\) link
h.hszxoj.com: \(2.9e8\) link
www.luogu.com.cn \(3.4e8\) link
codeforces.com：\(3e8\) link
atcoder.jp：\(3e8\) link
LOACL：\(3.9e8\)
loj.ac：\(4.2e8\) link