oj.uz

답안 #960706

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
960706 2024-04-11T00:58:28 Z Pring 수확 (JOI20_harvest) C++17
5 / 100
 5000 ms 63556 KB 
#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;

#ifdef MIKU
string dbmc = "\033[1;38;2;57;197;187m", dbrs = "\033[0m";
#define debug(x...) cout << dbmc << "[" << #x << "]: ", dout(x)
void dout() { cout << dbrs << endl; }
template <typename T, typename ...U>
void dout(T t, U ...u) { cout << t << (sizeof...(u) ? ", " : ""); dout(u...); }
#else
#define debug(...) 39
#endif

// #define int long long
#define int __int128_t
#define ll __int128_t
#define lll __int128_t
#define fs first
#define sc second
#define mp make_pair
#define FOR(i, j, k) for (int i = j, Z = k; i < Z; i++)
// using ll = long long;
// using lll = __int128_t;
typedef pair<int, int> pii;
typedef tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> PBDS_TREE;

const int MXN = 200005;
int n, m, L, adf, a[MXN], b[MXN], q, qid[MXN];
ll qt[MXN];
int p[MXN], pt[MXN];
ll ans[MXN];
vector<pii> edge[MXN];
vector<int> qry[MXN];
bitset<MXN> vis;
PBDS_TREE tr[MXN];
// vector<int> tr[MXN];
ll lz[MXN];

istream &operator>>(istream &ss, __int128_t &x) {
    long long y;
    ss >> y;
    x = y;
    return ss;
}

ostream &operator<<(ostream &ss, __int128_t x) {
    long long y = x;
    ss << y;
    return ss;
}

struct VSET {
    bitset<MXN> b;
    vector<int> v;
    void init() {
        b.reset();
        v.clear();
    }
    void insert(int x) {
        if (b[x]) return;
        b[x] = true;
        v.push_back(x);
    }
    void clear() {
        for (auto &i : v) b[i] = false;
        v.clear();
    }
} sr;

struct BIT {
    int n;
    lll val[MXN];
    void init(int _n) {
        n = _n;
        fill(val, val + n, 0);
    }
    void modify(int id, lll v) {
        for (id++; id <= n; id += (id & -id)) val[id] += v;
    }
    lll query(int id) {
        ll ans = 0;
        for (; id > 0; id -= (id & -id)) ans += val[id];
        return ans;
    }
} B;

void PUT_TREE() {
    FOR(i, 0, m) {
        int pp = lower_bound(a, a + n, b[i]) - a - 1;
        if (pp == -1) pp += n;
        int x = (b[i] - a[pp] + L) % L;
        debug(i, pp, x);
        tr[pp].insert(x);
        // tr[pp].push_back(x);
    }
}

void GET_P() {
    vector<pii> v;
    FOR(i, 0, n) v.push_back(mp(a[i], i));
    FOR(i, 0, n) v.push_back(mp(a[i] + L, i));
    FOR(i, 0, n) {
        auto pp = prev(lower_bound(v.begin(), v.end(), mp(a[i] + L - adf % L, MXN)));
        p[i] = pp -> sc;
        pt[i] = adf / L * L + (a[i] + L - pp -> fs);
        debug(i, p[i], pt[i]);
        edge[p[i]].push_back(mp(pt[i], i));
    }
}

void CALC_CYC(vector<ll> &v, vector<pair<ll, int>> &vq, ll C) {
    int n = v.size(), m = vq.size();
    for (auto &[Q, aid] : vq) {
        for (auto &i : v) {
            if (Q - i < 0) continue;
            ans[aid] += (Q - i) / C + 1;
        }
    }
    // vector<lll> p(1, 0), pc(1, 0);
    // for (auto &i : v) {
    //     p.push_back(p.back() + i);
    //     pc.push_back(pc.back() + (C - i) % C);
    // }
    // B.init(n);
    // vector<pair<ll, int>> dist;
    // FOR(i, 0, n) dist.push_back(mp((v[i] ? v[i] - 1 : LLONG_MAX), i));
    // FOR(i, 0, m) dist.push_back(mp(vq[i].fs % C, -i - 1));
    // sort(dist.begin(), dist.end());
    // for (auto &[t, id] : dist) {
    //     if (id < 0) {
    //         id = -id - 1;
    //         auto [Q, aid] = vq[id];
    //         int s = lower_bound(v.begin(), v.end(), Q) - v.begin();
    //         if (s == 0) continue;
    //         lll x = Q * s - p[s] - (pc[s] + t * s + B.query(s));
    //         debug(Q, s, aid, x / C);
    //         ans[aid] += x / C + s;
    //     } else {
    //         B.modify(id, -C);
    //     }
    // }
}

namespace JELLY {
    void MERGE(int rt, int id, ll w) {
        if (tr[rt].size() >= tr[id].size()) {
            for (auto i : tr[id]) tr[rt].insert(i + lz[id] + w - lz[rt]);
        } else {
            lz[id] += w;
            for (auto i : tr[rt]) tr[id].insert(i + lz[rt] - lz[id]);
            tr[rt].swap(tr[id]);
            swap(lz[rt], lz[id]);
        }
        tr[id].clear();
    }
    void GET_SR() {
        vector<int> ind(n), ban(n);
        queue<int> q;
        FOR(i, 0, n) ind[p[i]]++;
        FOR(i, 0, n) if (ind[i] == 0) q.push(i);
        while (q.size()) {
            int id = q.front();
            q.pop();
            ban[id] = true;
            if (--ind[p[id]] == 0) q.push(p[id]);
        }
        FOR(i, 0, n) {
            if (ban[i]) continue;
            sr.insert(i);
            int now = i;
            while (!ban[now]) {
                ban[now] = true;
                now = p[now];
            }
        }
    }
    void CALC_MERGE(int id, bool f = true) {
        vis[id] = true;
        for (auto &[w, i] : edge[id]) {
            if (vis[i]) continue;
            CALC_MERGE(i);
            MERGE(id, i, w);
        }
        if (f) {
            for (auto &i : qry[id]) {
                ll Q = qt[i] - lz[id];
                for (auto j : tr[id]) {
                    if (j <= Q) ans[i]++;
                }
                // int x = tr[id].order_of_key(Q + 1);
                // debug(i, x);
                // ans[i] += x;
            }
        }
    }
    void SOLVE(int rt) {
        debug(rt);
        CALC_MERGE(rt, false);
        vector<ll> v;
        for (auto i : tr[rt]) v.push_back(i + lz[rt]);
        vector<pair<ll, int>> vq;
        vector<int> cyc;
        cyc.push_back(rt);
        while (p[cyc.back()] != rt) cyc.push_back(p[cyc.back()]);
        int acc = 0;
        FOR(i, 0, cyc.size()) {
            debug(cyc[i]);
            for (auto &j : qry[cyc[i]]) {
                debug(j);
                vq.push_back(mp(qt[j] - acc, j));
            }
            acc += pt[cyc[i]];
        }
        CALC_CYC(v, vq, acc);
    }
}

void miku() {
    cin >> n >> m >> L >> adf;
    FOR(i, 0, n) cin >> a[i];
    FOR(i, 0, m) cin >> b[i];
    cin >> q;
    FOR(i, 0, q) {
        cin >> qid[i] >> qt[i];
        qid[i]--;
        qry[qid[i]].push_back(i);
    }
    PUT_TREE();
    GET_P();
    JELLY::GET_SR();
    for (auto &i : sr.v) {
        debug(i);
        JELLY::SOLVE(i);
    }
    FOR(i, 0, q) {
        assert(ans[i] <= LLONG_MAX);
        cout << (long long) ans[i] << '\n';
    }
}

int32_t main() {
    cin.tie(0) -> sync_with_stdio(false);
    cin.exceptions(cin.failbit);
    miku();
    return 0;
}

Compilation message

harvest.cpp: In function 'void PUT_TREE()':
harvest.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
harvest.cpp:94:9: note: in expansion of macro 'debug'
   94 |         debug(i, pp, x);
      |         ^~~~~
harvest.cpp: In function 'void GET_P()':
harvest.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
harvest.cpp:108:9: note: in expansion of macro 'debug'
  108 |         debug(i, p[i], pt[i]);
      |         ^~~~~
harvest.cpp: In function 'void CALC_CYC(std::vector<__int128>&, std::vector<std::pair<__int128, __int128> >&, __int128)':
harvest.cpp:114:9: warning: unused variable 'n' [-Wunused-variable]
  114 |     int n = v.size(), m = vq.size();
      |         ^
harvest.cpp:114:23: warning: unused variable 'm' [-Wunused-variable]
  114 |     int n = v.size(), m = vq.size();
      |                       ^
harvest.cpp: In function 'void JELLY::SOLVE(__int128)':
harvest.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
harvest.cpp:199:9: note: in expansion of macro 'debug'
  199 |         debug(rt);
      |         ^~~~~
harvest.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
harvest.cpp:209:13: note: in expansion of macro 'debug'
  209 |             debug(cyc[i]);
      |             ^~~~~
harvest.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
harvest.cpp:211:17: note: in expansion of macro 'debug'
  211 |                 debug(j);
      |                 ^~~~~
harvest.cpp: In function 'void miku()':
harvest.cpp:13:20: warning: statement has no effect [-Wunused-value]
   13 | #define debug(...) 39
      |                    ^~
harvest.cpp:234:9: note: in expansion of macro 'debug'
  234 |         debug(i);
      |         ^~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 49200 KB Output is correct
2 Correct 18 ms 49440 KB Output is correct
3 Correct 97 ms 49724 KB Output is correct
4 Correct 22 ms 49440 KB Output is correct
5 Correct 38 ms 49700 KB Output is correct
6 Correct 40 ms 49700 KB Output is correct
7 Correct 38 ms 49736 KB Output is correct
8 Correct 20 ms 49628 KB Output is correct
9 Correct 18 ms 49500 KB Output is correct
10 Correct 19 ms 49604 KB Output is correct
11 Correct 18 ms 49584 KB Output is correct
12 Correct 43 ms 49748 KB Output is correct
13 Correct 94 ms 49936 KB Output is correct
14 Correct 62 ms 49700 KB Output is correct
15 Correct 32 ms 49628 KB Output is correct
16 Correct 30 ms 49704 KB Output is correct
17 Correct 30 ms 49672 KB Output is correct
18 Correct 32 ms 49644 KB Output is correct
19 Correct 30 ms 49440 KB Output is correct
20 Correct 31 ms 49648 KB Output is correct

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5040 ms 63556 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 75.0

# 결과 실행 시간 메모리 Grader output
1 Correct 22 ms 49200 KB Output is correct
2 Correct 18 ms 49440 KB Output is correct
3 Correct 97 ms 49724 KB Output is correct
4 Correct 22 ms 49440 KB Output is correct
5 Correct 38 ms 49700 KB Output is correct
6 Correct 40 ms 49700 KB Output is correct
7 Correct 38 ms 49736 KB Output is correct
8 Correct 20 ms 49628 KB Output is correct
9 Correct 18 ms 49500 KB Output is correct
10 Correct 19 ms 49604 KB Output is correct
11 Correct 18 ms 49584 KB Output is correct
12 Correct 43 ms 49748 KB Output is correct
13 Correct 94 ms 49936 KB Output is correct
14 Correct 62 ms 49700 KB Output is correct
15 Correct 32 ms 49628 KB Output is correct
16 Correct 30 ms 49704 KB Output is correct
17 Correct 30 ms 49672 KB Output is correct
18 Correct 32 ms 49644 KB Output is correct
19 Correct 30 ms 49440 KB Output is correct
20 Correct 31 ms 49648 KB Output is correct
21 Execution timed out 5040 ms 63556 KB Time limit exceeded
22 Halted 0 ms 0 KB -