oj.uz

Submission #891521

# Submission time Handle Problem Language Result Execution time Memory
891521 2023-12-23T07:02:46 Z Sharky Worst Reporter 3 (JOI18_worst_reporter3) C++17
100 / 100
 477 ms 25820 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

int32_t main() {
    ios::sync_with_stdio(0); cin.tie(0);
    int n, q;
    cin >> n >> q;
    vector<int> d(n + 1, 1);
    for (int i = 1; i <= n; i++) cin >> d[i];
    for (int i = 1; i <= n; i++) {
        if (d[i] < d[i - 1]) d[i] = d[i - 1];
        else d[i] = ((d[i] + d[i - 1] - 1) / d[i - 1]) * d[i - 1];
    }
    while (q--) {
        int T, L, R, l = 1, r = n, idL = 0, idR = 0;
        cin >> T >> L >> R;
        // min index s.t. 
        while (l < r) {
            int mid = (l + r) >> 1;
            int pos = (-mid + (T / d[mid]) * d[mid]);
            if (pos <= R) r = mid;
            else l = mid + 1;
        }
        if (-l + (T / d[l]) * d[l] <= R) idL = l;
        l = 1, r = n;
        while (l < r) {
            int mid = (l + r + 1) >> 1;
            int pos = (-mid + (T / d[mid]) * d[mid]);
            if (pos >= L) l = mid;
            else r = mid - 1;
        }
        if (-l + (T / d[l]) * d[l] >= L) idR = l;
        int add = 0;
        if (L <= T && T <= R) add++;
        // cout << idL << ' ' << idR << '\n';
        if (idL != 0 && idR != 0) cout << (idR - idL + 1) + add << '\n';
        else cout << add << "\n";
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 435 ms 22840 KB Output is correct
2 Correct 430 ms 22800 KB Output is correct
3 Correct 429 ms 22612 KB Output is correct
4 Correct 437 ms 22852 KB Output is correct
5 Correct 433 ms 22860 KB Output is correct
6 Correct 436 ms 22688 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 600 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 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 435 ms 22840 KB Output is correct
2 Correct 430 ms 22800 KB Output is correct
3 Correct 429 ms 22612 KB Output is correct
4 Correct 437 ms 22852 KB Output is correct
5 Correct 433 ms 22860 KB Output is correct
6 Correct 436 ms 22688 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 1 ms 344 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 247 ms 21172 KB Output is correct
14 Correct 274 ms 21844 KB Output is correct
15 Correct 238 ms 20384 KB Output is correct
16 Correct 251 ms 21124 KB Output is correct
17 Correct 317 ms 25168 KB Output is correct
18 Correct 321 ms 25820 KB Output is correct
19 Correct 319 ms 25276 KB Output is correct
20 Correct 314 ms 25244 KB Output is correct
21 Correct 341 ms 25212 KB Output is correct
22 Correct 360 ms 25276 KB Output is correct
23 Correct 328 ms 25232 KB Output is correct
24 Correct 326 ms 25428 KB Output is correct
25 Correct 434 ms 22612 KB Output is correct
26 Correct 477 ms 22696 KB Output is correct
27 Correct 380 ms 24832 KB Output is correct
28 Correct 383 ms 25252 KB Output is correct
29 Correct 351 ms 24604 KB Output is correct
30 Correct 349 ms 24768 KB Output is correct
31 Correct 353 ms 25168 KB Output is correct
32 Correct 370 ms 21488 KB Output is correct
33 Correct 0 ms 348 KB Output is correct