Submission #17769178

Source Code Expand

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  ll A, B, C; cin >> A >> B >> C;
  ll MOD = 998244353;
  ll sumA = A * (A + 1) / 2 % MOD;
  ll sumB = B * (B + 1) / 2 % MOD;
  ll sumC = C * (C + 1) / 2 % MOD;
  ll ans = sumA * sumB % MOD;
  ans = ans * sumC % MOD;
  cout << ans << '\n';
  return 0;
}
 
 
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#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);

  ll A, B, C; cin >> A >> B >> C;

  ll MOD = 998244353;
  ll sumA = A * (A + 1) / 2 % MOD;
  ll sumB = B * (B + 1) / 2 % MOD;
  ll sumC = C * (C + 1) / 2 % MOD;

  ll ans = sumA * sumB % MOD;
  ans = ans * sumC % MOD;
  cout << ans << '\n';
  return 0;
}

Submission Info

Judge Result