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Submission #994417

# Submission time Handle Problem Language Result Execution time Memory
994417 2024-06-07T15:07:14 Z onbert Worst Reporter 3 (JOI18_worst_reporter3) C++17
100 / 100
 197 ms 3440 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 2e9;
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 144 ms 3220 KB Output is correct
2 Correct 165 ms 3412 KB Output is correct
3 Correct 157 ms 3252 KB Output is correct
4 Correct 138 ms 3412 KB Output is correct
5 Correct 142 ms 3408 KB Output is correct
6 Correct 141 ms 3408 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 344 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 144 ms 3220 KB Output is correct
2 Correct 165 ms 3412 KB Output is correct
3 Correct 157 ms 3252 KB Output is correct
4 Correct 138 ms 3412 KB Output is correct
5 Correct 142 ms 3408 KB Output is correct
6 Correct 141 ms 3408 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 151 ms 1224 KB Output is correct
14 Correct 157 ms 1360 KB Output is correct
15 Correct 137 ms 1364 KB Output is correct
16 Correct 149 ms 1364 KB Output is correct
17 Correct 176 ms 2640 KB Output is correct
18 Correct 182 ms 2644 KB Output is correct
19 Correct 179 ms 2744 KB Output is correct
20 Correct 173 ms 2848 KB Output is correct
21 Correct 181 ms 2648 KB Output is correct
22 Correct 183 ms 2640 KB Output is correct
23 Correct 182 ms 2848 KB Output is correct
24 Correct 197 ms 2896 KB Output is correct
25 Correct 145 ms 3440 KB Output is correct
26 Correct 147 ms 3412 KB Output is correct
27 Correct 176 ms 3160 KB Output is correct
28 Correct 170 ms 3104 KB Output is correct
29 Correct 176 ms 3156 KB Output is correct
30 Correct 176 ms 3160 KB Output is correct
31 Correct 179 ms 3012 KB Output is correct
32 Correct 152 ms 2900 KB Output is correct
33 Correct 1 ms 344 KB Output is correct