Submission #569405

# Submission time Handle Problem Language Result Execution time Memory
569405 2022-05-27T11:24:23 Z anmichi Hexagonal Territory (APIO21_hexagon) C++17
36 / 100
33 ms 7860 KB
#include "hexagon.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < n; i++)
#define all(v) v.begin(), v.end()
template <class T, class U>
inline bool chmax(T& a, U b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}
template <class T, class U>
inline bool chmin(T& a, U b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
constexpr int INF = 1000000000;
constexpr ll llINF = 3000000000000000000;
constexpr int mod = 1000000007;
const ll half = (mod + 1) / 2;
constexpr double eps = 1e-10;
ll modinv(ll a, ll m = mod) {
    ll b = m, u = 1, v = 0;
    while (b) {
        ll t = a / b;
        a -= t * b;
        swap(a, b);
        u -= t * v;
        swap(u, v);
    }
    u %= m;
    if (u < 0) u += m;
    return u;
}
constexpr int dx[] = {1, 1, 0, -1, -1, 0}, dy[] = {1, 0, -1, -1, 0, 1};
ll cross(ll a, ll b, ll c, ll d) { return a * d - b * c; }
int draw_territory(int n, int a, int b, vector<int> d, vector<int> l) {
    if (n == 3) {
        ll s = l[0];
        ll resa = (s + 1) * (s + 2) / 2 % mod * a % mod;
        ll resb = s * (s + 1) % mod * (s + 2) % mod * modinv(3) % mod * b % mod;
        return (resa + resb) % mod;
    }
    vector<ll> x(n + 1), y(n + 1);
    rep(i, n) {
        d[i]--;
        x[i + 1] = x[i] + dx[d[i]] * l[i];
        y[i + 1] = y[i] + dy[d[i]] * l[i];
    }
    ll S = 0;
    rep(i, n) S += cross(x[i], y[i], x[i + 1], y[i + 1]);
    S = abs(S);
    rep(i, n) S += l[i];
    S /= 2;
    return (S + 1) % mod * a % mod;
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 216 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 256 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 2 ms 532 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 568 KB Output is correct
7 Correct 10 ms 1336 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 8 ms 1976 KB Output is correct
12 Correct 8 ms 2004 KB Output is correct
13 Correct 8 ms 1936 KB Output is correct
14 Correct 9 ms 2108 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 300 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 2 ms 528 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 300 KB Output is correct
7 Correct 2 ms 436 KB Output is correct
8 Correct 2 ms 596 KB Output is correct
9 Correct 8 ms 1364 KB Output is correct
10 Correct 1 ms 308 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 8 ms 1904 KB Output is correct
14 Correct 10 ms 2004 KB Output is correct
15 Correct 8 ms 1876 KB Output is correct
16 Correct 10 ms 2104 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 14 ms 3304 KB Output is correct
21 Correct 2 ms 564 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 20 ms 4436 KB Output is correct
24 Correct 27 ms 6732 KB Output is correct
25 Correct 30 ms 7200 KB Output is correct
26 Correct 15 ms 3716 KB Output is correct
27 Correct 11 ms 2772 KB Output is correct
28 Correct 12 ms 1908 KB Output is correct
29 Correct 33 ms 7860 KB Output is correct
30 Correct 32 ms 7732 KB Output is correct
31 Correct 32 ms 7756 KB Output is correct
32 Correct 33 ms 7492 KB Output is correct
33 Correct 16 ms 3688 KB Output is correct
34 Correct 8 ms 2004 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 244 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Incorrect 1 ms 212 KB Output isn't correct
6 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -