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Submission #984965

# Submission time Handle Problem Language Result Execution time Memory
984965 2024-05-17T08:47:42 Z gaga999 Gap (APIO16_gap) C++17
89.0382 / 100
 51 ms 5256 KB 
// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC optimize("O3,unroll-loops")
// #pragma GCC target("avx,avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
#define lowbit(x) ((x) & -(x))
#define ml(a, b) ((1ll * (a) * (b)) % M)
#define tml(a, b) (a) = ((1ll * (a) * (b)) % M)
#define ad(a, b) ((0ll + (a) + (b)) % M)
#define tad(a, b) (a) = ((0ll + (a) + (b)) % M)
#define mi(a, b) ((0ll + M + (a) - (b)) % M)
#define tmi(a, b) (a) = ((0ll + M + (a) - (b)) % M)
#define tmin(a, b) (a) = min((a), (b))
#define tmax(a, b) (a) = max((a), (b))
#define iter(a) (a).begin(), (a).end()
#define riter(a) (a).rbegin(), (a).rend()
#define inin(a, b) memset((a), (b), sizeof(a))
#define cpy(a, b) memcpy((a), (b), sizeof(a))
#define uni(a) a.resize(unique(iter(a)) - a.begin())
#define size(x) (int)x.size()
#define pb emplace_back
#define mpr make_pair
#define ls(i) ((i) << 1)
#define rs(i) ((i) << 1 | 1)
#define INF 0x3f3f3f3f
#define NIF 0xc0c0c0c0
#define eps 1e-9
#define F first
#define S second
#define AC cin.tie(0)->sync_with_stdio(0)
using namespace std;
typedef long long llt;
typedef unsigned long long ull;
typedef __int128_t lll;
typedef pair<int, int> pii;
typedef pair<double, double> pdd;
typedef pair<llt, llt> pll;
typedef pair<llt, int> pli;
typedef complex<double> cd;
// const int M = 998244353;

// random_device rm;
// mt19937 rg(rm());
// default_random_engine rg(rm());
// uniform_int_distribution<int> rd(INT_MIN, INT_MAX);
// uniform_real_distribution<double> rd(0, M_PI);

void db() { cerr << "\n"; }
template <class T, class... U>
void db(T a, U... b) { cerr << a << " ", db(b...); }

inline char gc()
{
    const static int SZ = 1 << 16;
    static char buf[SZ], *p1, *p2;
    if (p1 == p2 && (p2 = buf + fread(p1 = buf, 1, SZ, stdin), p1 == p2))
        return -1;
    return *p1++;
}
void rd() {}
template <typename T, typename... U>
void rd(T &x, U &...y)
{
    x = 0;
    bool f = 0;
    char c = gc();
    while (!isdigit(c))
        f ^= !(c ^ 45), c = gc();
    while (isdigit(c))
        x = (x << 1) + (x << 3) + (c ^ 48), c = gc();
    f && (x = -x), rd(y...);
}

template <typename T>
void prt(T x)
{
    if (x < 0)
        putchar('-'), x = -x;
    if (x > 9)
        prt(x / 10);
    putchar((x % 10) ^ 48);
}

const llt MX = 1ll << 60;

void MinMax(llt, llt, llt *, llt *);

llt findGap(int t, int n)
{
    if (t == 1 || n <= 8)
    {
        vector<llt> ar(n + 2);
        ar[0] = -MX, ar[n + 1] = MX;
        for (int i = 0; i < (n + 1) >> 1; i++)
            MinMax(ar[i] + 1, ar[n - i + 1] - 1, &ar[i + 1], &ar[n - i]);
        llt ans = 0;
        for (int i = 2; i <= n; i++)
            tmax(ans, ar[i] - ar[i - 1]);
        return ans;
    }
    else
    {
        vector<llt> ar(2);
        MinMax(-MX, MX, &ar[0], &ar[1]);
        llt ans = (ar[1] - ar[0] - 1) / (n - 1) + 1;
        llt d = (ar[1] - ar[0]) / (n - 1), x, y;
        for (llt i = ar[0] + 1; i + d <= ar[1]; i += d)
            MinMax(i, i + d - 1, &x, &y), ar.pb(x), ar.pb(y);
        sort(iter(ar)), uni(ar);
        for (int i = 1; i < size(ar); i++)
            tmax(ans, ar[i] - ar[i - 1]);
        return ans;
    }
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2388 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2644 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 7 ms 2600 KB Output is correct
17 Correct 7 ms 2724 KB Output is correct
18 Correct 7 ms 2584 KB Output is correct
19 Correct 7 ms 2584 KB Output is correct
20 Correct 8 ms 2628 KB Output is correct
21 Correct 28 ms 3620 KB Output is correct
22 Correct 28 ms 3620 KB Output is correct
23 Correct 28 ms 3624 KB Output is correct
24 Correct 28 ms 3864 KB Output is correct
25 Correct 25 ms 3620 KB Output is correct
26 Correct 28 ms 3616 KB Output is correct
27 Correct 28 ms 3628 KB Output is correct
28 Correct 29 ms 3756 KB Output is correct
29 Correct 28 ms 3620 KB Output is correct
30 Correct 24 ms 3620 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 0 ms 2392 KB Output is correct

Subtask #2
59.0381998534 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2488 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 2 ms 2392 KB Output is correct
14 Correct 1 ms 2556 KB Output is correct
15 Correct 1 ms 2388 KB Output is correct
16 Correct 12 ms 3220 KB Output is correct
17 Correct 12 ms 3216 KB Output is correct
18 Correct 12 ms 3220 KB Output is correct
19 Correct 12 ms 3388 KB Output is correct
20 Partially correct 6 ms 3204 KB Partially correct
21 Correct 48 ms 5004 KB Output is correct
22 Correct 50 ms 5256 KB Output is correct
23 Correct 48 ms 5012 KB Output is correct
24 Correct 47 ms 5012 KB Output is correct
25 Correct 42 ms 5004 KB Output is correct
26 Correct 49 ms 5012 KB Output is correct
27 Correct 46 ms 4996 KB Output is correct
28 Correct 47 ms 5008 KB Output is correct
29 Correct 51 ms 5012 KB Output is correct
30 Partially correct 29 ms 5012 KB Partially correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct