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Submission #963900

# Submission time Handle Problem Language Result Execution time Memory
963900 2024-04-16T02:30:10 Z Pring Fish 2 (JOI22_fish2) C++17
13 / 100
 4000 ms 4808 KB 
#include <bits/stdc++.h>
using namespace std;

#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 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;
typedef pair<int, int> pii;

const int MXN = 100005;
int n, m, t, x, y;
ll a[MXN];
int L[MXN], R[MXN], hl[MXN], hr[MXN];

struct BIT {
    int n;
    ll val[MXN];
    void modify(int id, int v) {
        for (; id <= n; id += (id & -id)) val[id] += v;
    }
    ll query(int id) {
        ll ans = 0;
        for (; id > 0; id -= (id & -id)) ans += val[id];
        return ans;
    }
    ll query(int l, int r) {
        return query(r) - query(l - 1);
    }
    void init(int _n, ll *a) {
        n = _n;
        fill(val + 1, val + n + 1, 0);
        FOR(i, 1, n + 1) modify(i, a[i]);
    }
} B;

void MODIFY(int p, int v) {
    B.modify(p, v - a[p]);
    a[p] = v;
}

void BUILD(int l, int r) {
    vector<pii> st;
    {
        st.push_back(mp(INT_MAX, -1));
        FOR(i, l, r) {
            L[i] = -1;
            while (st.back().fs <= a[i]) {
                L[i] = st.back().sc;
                st.pop_back();
            }
            st.push_back(mp(a[i], i));
        }
        st.clear();
    }
    {
        st.push_back(mp(INT_MAX, -1));
        for (int i = r - 1; i >= l; i--) {
            R[i] = -1;
            while (st.back().fs < a[i]) {
                R[i] = st.back().sc;
                st.pop_back();
            }
            st.push_back(mp(a[i], i));
        }
        st.clear();
    }
    {
        st.push_back(mp(INT_MAX, l - 1));
        FOR(i, l, r) {
            while (st.back().fs <= a[i]) st.pop_back();
            hl[i] = st.back().sc;
            st.push_back(mp(a[i], i));
        }
        st.clear();
    }
    {
        st.push_back(mp(INT_MAX, r));
        for (int i = r - 1; i >= l; i--) {
            while (st.back().fs < a[i]) st.pop_back();
            hr[i] = st.back().sc;
            st.push_back(mp(a[i], i));
        }
        st.clear();
    }
}

void DFS(int id, int bnd, int &ans) {
    if (id == -1) return;
    debug(id);
    if (B.query(hl[id] + 1, hr[id] - 1) < bnd) return;
    ans++;
    DFS(L[id], a[id], ans);
    DFS(R[id], a[id], ans);
}

int MAX_ID(int l, int r) {
    int id = l;
    FOR(i, l + 1, r) if (a[i] >= a[id]) id = i;
    return id;
}

int QUERY(int l, int r) {
    BUILD(l, r);
    int rt = MAX_ID(l, r);
    int ans = 0;
    DFS(rt, 0, ans);
    return ans;
}

void miku() {
    cin >> n;
    FOR(i, 1, n + 1) cin >> a[i];
    B.init(n, a);
    // BUILD(1, n + 1);
    // FOR(i, 1, n + 1) debug(i, L[i], R[i], hl[i], hr[i]);
    cin >> m;
    while (m--) {
        cin >> t >> x >> y;
        if (t == 1) MODIFY(x, y);
        else cout << QUERY(x, y + 1) << '\n';
    }
}

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

Compilation message

fish2.cpp: In function 'void DFS(int, int, int&)':
fish2.cpp:11:20: warning: statement has no effect [-Wunused-value]
   11 | #define debug(...) 39
      |                    ^~
fish2.cpp:100:5: note: in expansion of macro 'debug'
  100 |     debug(id);
      |     ^~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 3 ms 348 KB Output is correct
20 Correct 8 ms 348 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 14 ms 3936 KB Output is correct
3 Correct 11 ms 3680 KB Output is correct
4 Correct 14 ms 3932 KB Output is correct
5 Correct 11 ms 3912 KB Output is correct
6 Correct 20 ms 4312 KB Output is correct
7 Correct 11 ms 3676 KB Output is correct
8 Correct 17 ms 4444 KB Output is correct
9 Correct 12 ms 3676 KB Output is correct
10 Correct 12 ms 4184 KB Output is correct
11 Correct 12 ms 3676 KB Output is correct
12 Correct 11 ms 3676 KB Output is correct
13 Correct 11 ms 3676 KB Output is correct
14 Correct 14 ms 4444 KB Output is correct
15 Correct 15 ms 4444 KB Output is correct

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 3 ms 348 KB Output is correct
20 Correct 8 ms 348 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 14 ms 3936 KB Output is correct
23 Correct 11 ms 3680 KB Output is correct
24 Correct 14 ms 3932 KB Output is correct
25 Correct 11 ms 3912 KB Output is correct
26 Correct 20 ms 4312 KB Output is correct
27 Correct 11 ms 3676 KB Output is correct
28 Correct 17 ms 4444 KB Output is correct
29 Correct 12 ms 3676 KB Output is correct
30 Correct 12 ms 4184 KB Output is correct
31 Correct 12 ms 3676 KB Output is correct
32 Correct 11 ms 3676 KB Output is correct
33 Correct 11 ms 3676 KB Output is correct
34 Correct 14 ms 4444 KB Output is correct
35 Correct 15 ms 4444 KB Output is correct
36 Correct 631 ms 4368 KB Output is correct
37 Correct 940 ms 3924 KB Output is correct
38 Correct 1076 ms 4164 KB Output is correct
39 Correct 260 ms 4440 KB Output is correct
40 Correct 1184 ms 4176 KB Output is correct
41 Correct 1690 ms 4556 KB Output is correct
42 Correct 2199 ms 4808 KB Output is correct
43 Correct 1180 ms 3788 KB Output is correct
44 Correct 1416 ms 3788 KB Output is correct
45 Correct 686 ms 4188 KB Output is correct
46 Correct 942 ms 4160 KB Output is correct
47 Correct 1320 ms 3868 KB Output is correct
48 Correct 438 ms 3932 KB Output is correct
49 Correct 1476 ms 3936 KB Output is correct
50 Correct 959 ms 4600 KB Output is correct
51 Execution timed out 4021 ms 4600 KB Time limit exceeded
52 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 14 ms 3936 KB Output is correct
3 Correct 11 ms 3680 KB Output is correct
4 Correct 14 ms 3932 KB Output is correct
5 Correct 11 ms 3912 KB Output is correct
6 Correct 20 ms 4312 KB Output is correct
7 Correct 11 ms 3676 KB Output is correct
8 Correct 17 ms 4444 KB Output is correct
9 Correct 12 ms 3676 KB Output is correct
10 Correct 12 ms 4184 KB Output is correct
11 Correct 12 ms 3676 KB Output is correct
12 Correct 11 ms 3676 KB Output is correct
13 Correct 11 ms 3676 KB Output is correct
14 Correct 14 ms 4444 KB Output is correct
15 Correct 15 ms 4444 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Execution timed out 4050 ms 4080 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 604 KB Output is correct
2 Correct 14 ms 3936 KB Output is correct
3 Correct 11 ms 3680 KB Output is correct
4 Correct 14 ms 3932 KB Output is correct
5 Correct 11 ms 3912 KB Output is correct
6 Correct 20 ms 4312 KB Output is correct
7 Correct 11 ms 3676 KB Output is correct
8 Correct 17 ms 4444 KB Output is correct
9 Correct 12 ms 3676 KB Output is correct
10 Correct 12 ms 4184 KB Output is correct
11 Correct 12 ms 3676 KB Output is correct
12 Correct 11 ms 3676 KB Output is correct
13 Correct 11 ms 3676 KB Output is correct
14 Correct 14 ms 4444 KB Output is correct
15 Correct 15 ms 4444 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Execution timed out 4051 ms 4460 KB Time limit exceeded
18 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 3 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 ms 344 KB Output is correct
9 Correct 4 ms 344 KB Output is correct
10 Correct 2 ms 348 KB Output is correct
11 Correct 4 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 3 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 2 ms 348 KB Output is correct
16 Correct 4 ms 348 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 4 ms 348 KB Output is correct
19 Correct 3 ms 348 KB Output is correct
20 Correct 8 ms 348 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 14 ms 3936 KB Output is correct
23 Correct 11 ms 3680 KB Output is correct
24 Correct 14 ms 3932 KB Output is correct
25 Correct 11 ms 3912 KB Output is correct
26 Correct 20 ms 4312 KB Output is correct
27 Correct 11 ms 3676 KB Output is correct
28 Correct 17 ms 4444 KB Output is correct
29 Correct 12 ms 3676 KB Output is correct
30 Correct 12 ms 4184 KB Output is correct
31 Correct 12 ms 3676 KB Output is correct
32 Correct 11 ms 3676 KB Output is correct
33 Correct 11 ms 3676 KB Output is correct
34 Correct 14 ms 4444 KB Output is correct
35 Correct 15 ms 4444 KB Output is correct
36 Correct 631 ms 4368 KB Output is correct
37 Correct 940 ms 3924 KB Output is correct
38 Correct 1076 ms 4164 KB Output is correct
39 Correct 260 ms 4440 KB Output is correct
40 Correct 1184 ms 4176 KB Output is correct
41 Correct 1690 ms 4556 KB Output is correct
42 Correct 2199 ms 4808 KB Output is correct
43 Correct 1180 ms 3788 KB Output is correct
44 Correct 1416 ms 3788 KB Output is correct
45 Correct 686 ms 4188 KB Output is correct
46 Correct 942 ms 4160 KB Output is correct
47 Correct 1320 ms 3868 KB Output is correct
48 Correct 438 ms 3932 KB Output is correct
49 Correct 1476 ms 3936 KB Output is correct
50 Correct 959 ms 4600 KB Output is correct
51 Execution timed out 4021 ms 4600 KB Time limit exceeded
52 Halted 0 ms 0 KB -