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Submission #936340

# Submission time Handle Problem Language Result Execution time Memory
936340 2024-03-01T16:16:20 Z VMaksimoski008 Fancy Fence (CEOI20_fancyfence) C++14
15 / 100
 59 ms 3156 KB 
#include <bits/stdc++.h>

#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
//#define int long long

using namespace std;

using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int inv = 500000004;
const int LOG = 20;
const int maxn = 1e5 + 5;
const double eps = 1e-9;

int32_t main() {
    int n;
    cin >> n;
    set<int> diff;

    vector<int> h(n), w(n);
    for(int &x : h) cin >> x, diff.insert(x);
    for(int &x : w) cin >> x;

    if(diff.size() == 1) {
        ll W = 0;
        for(int &x : w) W += x, W %= mod;
        ll p1 = W * (W + 1) % mod * inv % mod;
        ll p2 = 1ll * h[0] * (h[0] + 1) % mod * inv % mod;
        cout << (p1 * p2) % mod << '\n';
    }

    return 0;
}

Subtask #1
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 344 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 1 ms 348 KB Output is correct
2 Correct 6 ms 604 KB Output is correct
3 Correct 27 ms 1804 KB Output is correct
4 Correct 58 ms 3128 KB Output is correct
5 Correct 59 ms 3156 KB Output is correct
6 Correct 0 ms 348 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 344 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 -