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Submission #976691

# Submission time Handle Problem Language Result Execution time Memory
976691 2024-05-07T03:09:40 Z gaga999 Strange Device (APIO19_strange_device) C++17
10 / 100
 713 ms 125748 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 init(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 __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);
}

signed main()
{
#define f(x) ((x) % lll(a * b))
    int n;
    llt a, b, l, r;
    rd(n, a, b);
    map<llt, int> mp;
    for (int i = 0; i < n; i++)
    {
        rd(l, r);
        if (r - l + 1 >= (lll)a * b)
            prt(a * b), putchar('\n'), exit(0);
        l = f(l), r = f(r);
        if (l > r)
            mp[l]++, mp[a * b]--, mp[a * b - 1], mp[0]++, mp[r + 1]--, mp[r];
        else
            mp[l]++, mp[r + 1]--, mp[r];
    }
    llt lt = -1, ans = 0, cr = 0;
    for (auto it : mp)
    {
        if (cr)
            ans += it.F - lt;
        cr += it.S, lt = it.F;
    }
    prt(ans), putchar('\n');
}

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 4 ms 1628 KB Output is correct
3 Correct 4 ms 1628 KB Output is correct
4 Incorrect 1 ms 344 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct

Subtask #3
5.0 / 5.0

# 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 1 ms 604 KB Output is correct
4 Correct 1 ms 604 KB Output is correct
5 Correct 51 ms 468 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 387 ms 62980 KB Output is correct
3 Incorrect 587 ms 125716 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 387 ms 62980 KB Output is correct
3 Incorrect 587 ms 125716 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 387 ms 62980 KB Output is correct
3 Incorrect 587 ms 125716 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #7
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 49 ms 12980 KB Output is correct
3 Correct 52 ms 13008 KB Output is correct
4 Correct 607 ms 125736 KB Output is correct
5 Correct 50 ms 12884 KB Output is correct
6 Correct 65 ms 12884 KB Output is correct
7 Correct 51 ms 12888 KB Output is correct
8 Correct 51 ms 12884 KB Output is correct
9 Correct 50 ms 13012 KB Output is correct
10 Correct 45 ms 12884 KB Output is correct
11 Correct 48 ms 12884 KB Output is correct
12 Correct 51 ms 12892 KB Output is correct
13 Correct 66 ms 12964 KB Output is correct
14 Correct 713 ms 125748 KB Output is correct
15 Incorrect 51 ms 12832 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 4 ms 1628 KB Output is correct
3 Correct 4 ms 1628 KB Output is correct
4 Incorrect 1 ms 344 KB Output isn't correct
5 Halted 0 ms 0 KB -