oj.uz

Submission #1011956

# Submission time Handle Problem Language Result Execution time Memory
1011956 2024-07-01T11:59:46 Z thinknoexit Fish (IOI08_fish) C++17
0 / 100
 201 ms 13260 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 500500;
ll MOD;
int n;
pair<int, int> a[N];
ll tree[4 * N];
int cnt[N];
bool ch[N];
int mx[N];
void build(int now = 1, int l = 1, int r = n) {
    tree[now] = 1;
    if (l == r) return;
    int mid = (l + r) / 2;
    build(2 * now, l, mid), build(2 * now + 1, mid + 1, r);
}
void update(int v, int w, int now = 1, int l = 1, int r = n) {
    if (l == r) {
        tree[now] = (tree[now] + w + MOD) % MOD;
        return;
    }
    int mid = (l + r) / 2;
    if (v <= mid) update(v, w, 2 * now, l, mid);
    else update(v, w, 2 * now + 1, mid + 1, r);
    tree[now] = tree[2 * now] * tree[2 * now + 1] % MOD;
}
ll query(int ql, int qr, int now = 1, int l = 1, int r = n) {
    if (ql > qr) return 1ll;
    if (l > qr || r < ql) return 1ll;
    if (ql <= l && r <= qr) return tree[now];
    int mid = (l + r) / 2;
    return query(ql, qr, 2 * now, l, mid) * query(ql, qr, 2 * now + 1, mid + 1, r) % MOD;
}
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int m;
    cin >> m >> n >> MOD;
    for (int i = 1;i <= m;i++) {
        cin >> a[i].first >> a[i].second;
        mx[a[i].second] = max(mx[a[i].second], a[i].first);
    }
    vector<pair<int, int>> v;
    for (int i = 1;i <= n;i++) {
        v.push_back({ mx[i], i });
    }
    sort(v.begin(), v.end());
    sort(a + 1, a + 1 + m);
    build();
    int ans = 0;
    int p = 0;
    for (int i = 1;i <= n;i++) {
        int l, t;
        tie(l, t) = v[i - 1];
        while (p < n && a[p + 1].first * 2 <= l) {
            p++;
            cnt[a[p].second]++;
            if (ch[a[p].second]) update(a[p].second, 1);
        }
        update(t, cnt[t]);
        ch[t] = 1;
        ans = (ans + tree[1]) % MOD;
        update(t, -1);
    }
    cout << ans;
    return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 4444 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 2424 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Incorrect 1 ms 2396 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2396 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 33 ms 3416 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 2652 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 55 ms 4300 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 77 ms 5716 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 59 ms 4308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 90 ms 5996 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 99 ms 6612 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 94 ms 7028 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 166 ms 11972 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 164 ms 12136 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 201 ms 13260 KB Output isn't correct
2 Halted 0 ms 0 KB -