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Submission #654234

# Submission time Handle Problem Language Result Execution time Memory
654234 2022-10-30T13:33:08 Z Hanksburger Worst Reporter 3 (JOI18_worst_reporter3) C++17
100 / 100
 653 ms 25300 KB 
#include <bits/stdc++.h>
#define int long long
using namespace std;
int a[500005], n, q;
int f(int t, int x)
{
    int l=0, r=n+1;
    while (l<r)
    {
        int m=(l+r)/2;
        if (t/a[m]*a[m]-m<=x)
            r=m;
        else
            l=m+1;
    }
    return n-r+2;
}
signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin >> n >> q;
    a[0]=1;
    for (int i=1; i<=n; i++)
    {
        cin >> a[i];
        a[i]=((a[i]-1)/a[i-1]+1)*a[i-1];
    }
    for (int i=1; i<=q; i++)
    {
        int t, l, r;
        cin >> t >> l >> r;
        cout << f(t, r)-f(t, l-1) << '\n';
    }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 22396 KB Output is correct
2 Correct 573 ms 22700 KB Output is correct
3 Correct 528 ms 22648 KB Output is correct
4 Correct 522 ms 22604 KB Output is correct
5 Correct 519 ms 22684 KB Output is correct
6 Correct 531 ms 22600 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct

Subtask #3
81.0 / 81.0

# Verdict Execution time Memory Grader output
1 Correct 555 ms 22396 KB Output is correct
2 Correct 573 ms 22700 KB Output is correct
3 Correct 528 ms 22648 KB Output is correct
4 Correct 522 ms 22604 KB Output is correct
5 Correct 519 ms 22684 KB Output is correct
6 Correct 531 ms 22600 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 359 ms 21204 KB Output is correct
14 Correct 307 ms 21800 KB Output is correct
15 Correct 323 ms 20428 KB Output is correct
16 Correct 318 ms 20968 KB Output is correct
17 Correct 428 ms 25160 KB Output is correct
18 Correct 428 ms 25192 KB Output is correct
19 Correct 381 ms 25300 KB Output is correct
20 Correct 395 ms 25232 KB Output is correct
21 Correct 387 ms 25224 KB Output is correct
22 Correct 408 ms 25216 KB Output is correct
23 Correct 401 ms 25164 KB Output is correct
24 Correct 400 ms 25280 KB Output is correct
25 Correct 559 ms 22696 KB Output is correct
26 Correct 653 ms 22600 KB Output is correct
27 Correct 469 ms 24728 KB Output is correct
28 Correct 434 ms 25104 KB Output is correct
29 Correct 447 ms 24968 KB Output is correct
30 Correct 519 ms 24812 KB Output is correct
31 Correct 439 ms 25100 KB Output is correct
32 Correct 399 ms 21344 KB Output is correct
33 Correct 1 ms 212 KB Output is correct