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Submission #994415

# Submission time Handle Problem Language Result Execution time Memory
994415 2024-06-07T15:03:16 Z onbert Worst Reporter 3 (JOI18_worst_reporter3) C++17
100 / 100
 192 ms 21420 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e15;
int n;
vector<pair<int,int>> a;
int cnt(int x, int t) {
    int l = 0, r = a.size()-2;
    while (l<r) {
        int mid = (l+r+1)/2;
        if (a[mid].second + (t - t%a[mid].first) >= x) l = mid;
        else r = mid-1;
    }
    // cout << "test " << x << " " << t << " " << l << endl;
    int pos = a[l].second + (t - t%a[l].first);
    if (pos < x) return 0;
    return min(pos - x, a[l].second - a[l+1].second-1) + (-a[l].second + 1);
}

signed main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int q;
    cin >> n >> q;
    int cur = 0;
    a.push_back({1, 0});
    for (int i=1;i<=n;i++) {
        int x;
        cin >> x;
        if (x > cur && cur <= INF) {
            if (cur==0) cur = x;
            else cur = ((x+cur-1)/cur) * cur;
            if (cur <= INF) a.push_back({cur, -i});
        }
    }
    a.push_back({1e18, -n-1});
    // for (auto [x, y]:a) cout << x << " " << y << endl;
    while (q--) {
        int t, l, r;
        cin >> t >> l >> r;
        cout << cnt(l, t) - cnt(r+1, t) << "\n";
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 146 ms 3408 KB Output is correct
2 Correct 144 ms 3408 KB Output is correct
3 Correct 136 ms 3412 KB Output is correct
4 Correct 144 ms 3416 KB Output is correct
5 Correct 141 ms 3408 KB Output is correct
6 Correct 138 ms 3264 KB Output is correct

Subtask #2
12.0 / 12.0

# 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 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 146 ms 3408 KB Output is correct
2 Correct 144 ms 3408 KB Output is correct
3 Correct 136 ms 3412 KB Output is correct
4 Correct 144 ms 3416 KB Output is correct
5 Correct 141 ms 3408 KB Output is correct
6 Correct 138 ms 3264 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 143 ms 1208 KB Output is correct
14 Correct 161 ms 18004 KB Output is correct
15 Correct 144 ms 16468 KB Output is correct
16 Correct 166 ms 17140 KB Output is correct
17 Correct 183 ms 21332 KB Output is correct
18 Correct 186 ms 21332 KB Output is correct
19 Correct 191 ms 21332 KB Output is correct
20 Correct 182 ms 21420 KB Output is correct
21 Correct 192 ms 21344 KB Output is correct
22 Correct 192 ms 21332 KB Output is correct
23 Correct 179 ms 21328 KB Output is correct
24 Correct 183 ms 21332 KB Output is correct
25 Correct 157 ms 18772 KB Output is correct
26 Correct 147 ms 18768 KB Output is correct
27 Correct 187 ms 20820 KB Output is correct
28 Correct 192 ms 21200 KB Output is correct
29 Correct 185 ms 20740 KB Output is correct
30 Correct 188 ms 20820 KB Output is correct
31 Correct 186 ms 21076 KB Output is correct
32 Correct 156 ms 17460 KB Output is correct
33 Correct 0 ms 344 KB Output is correct