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Submission #994416

# Submission time Handle Problem Language Result Execution time Memory
994416 2024-06-07T15:05:26 Z onbert Worst Reporter 3 (JOI18_worst_reporter3) C++17
100 / 100
 185 ms 3412 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int INF = 1e10;
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 148 ms 3332 KB Output is correct
2 Correct 136 ms 3408 KB Output is correct
3 Correct 136 ms 3412 KB Output is correct
4 Correct 135 ms 3412 KB Output is correct
5 Correct 138 ms 3412 KB Output is correct
6 Correct 135 ms 3408 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 392 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 3332 KB Output is correct
2 Correct 136 ms 3408 KB Output is correct
3 Correct 136 ms 3412 KB Output is correct
4 Correct 135 ms 3412 KB Output is correct
5 Correct 138 ms 3412 KB Output is correct
6 Correct 135 ms 3408 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 392 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 149 ms 1216 KB Output is correct
14 Correct 154 ms 1364 KB Output is correct
15 Correct 133 ms 1364 KB Output is correct
16 Correct 144 ms 1420 KB Output is correct
17 Correct 176 ms 2644 KB Output is correct
18 Correct 174 ms 2748 KB Output is correct
19 Correct 175 ms 2640 KB Output is correct
20 Correct 170 ms 2640 KB Output is correct
21 Correct 175 ms 2644 KB Output is correct
22 Correct 170 ms 2644 KB Output is correct
23 Correct 173 ms 2692 KB Output is correct
24 Correct 183 ms 2644 KB Output is correct
25 Correct 143 ms 3408 KB Output is correct
26 Correct 146 ms 3360 KB Output is correct
27 Correct 171 ms 3256 KB Output is correct
28 Correct 185 ms 3160 KB Output is correct
29 Correct 174 ms 3156 KB Output is correct
30 Correct 173 ms 3264 KB Output is correct
31 Correct 173 ms 3076 KB Output is correct
32 Correct 137 ms 2868 KB Output is correct
33 Correct 0 ms 348 KB Output is correct