oj.uz

Submission #1008098

# Submission time Handle Problem Language Result Execution time Memory
1008098 2024-06-26T07:36:29 Z devariaota Fancy Fence (CEOI20_fancyfence) C++17
15 / 100
 13 ms 1884 KB 
#include <bits/stdc++.h>
#define ll long long
#define pb push_back
#define pp pop_back
#define fi first
#define se second
#define lb lower_bound
#define ub upper_bound
#define pll pair<ll,ll> 
#define pii pair<int,int> 
#define vl vector<ll> 
#define nikah ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const ll maxn = 1e5+7, modn1 = 1e9+7, modn2 = 998244353;
using namespace std;
 
// kalo kamu ngga emas nanti nadya merasa bersalah, ayo san demi nadya!!!
// Kalo emang soalnya susah, pindah soal dulu 
// Jangan sampe diem, pikirin sesuatu, pasti bisa!!!
// Cobain semua approach, jangan ngestuck di satu pemikiran
// Jangan overthinking, jangan panik, tenangin pikiranmu
 
 
ll t,n;
ll h[maxn], w[maxn];
 
ll f (ll x) {
  return ((x * (x+1)) / 2) % modn1;
}
 
void solve () {
  cin>>n;
  for (ll i=1; i<=n; i++) {
    cin>>h[i];
  }
  ll sum = 0;
  for (ll i=1; i<=n; i++) {
    cin>>w[i];
    sum = (sum + w[i]) % modn1;
  }
  /*for (ll i=1; i<=n; i++) {
    if (h[i] == 2) {
      cnt+=w[i];
    } else {
      ans += (cnt * (cnt + 1)) % modn1;
      cnt = 0;
    }
  }
  ans += (cnt * (cnt + 1)) % modn1;*/
  ll ans = (f(sum) * f(h[1])) % modn1; 
  cout<<ans<<endl;
}           
 
 
int main () {
  nikah
  t = 1;
//  cin>>t;
  while (t--) {
    solve();
  //  cout<<endl;
  }
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 604 KB Output is correct
3 Correct 6 ms 1112 KB Output is correct
4 Correct 13 ms 1884 KB Output is correct
5 Correct 11 ms 1884 KB Output is correct
6 Correct 0 ms 344 KB Output is correct

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 18.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -