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답안 #113282

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
113282 2019-05-24T17:23:02 Z popovicirobert Worst Reporter 3 (JOI18_worst_reporter3) C++14
100 / 100
 841 ms 27456 KB 
#include <bits/stdc++.h>
#define lsb(x) (x & (-x))
#define ll long long
#define ull unsigned long long
// 217
// 44

using namespace std;

const int INF = 2e9;

inline int get(int pos, vector <ll> &prd, int t) {
    return (t / prd[pos]) * prd[pos];
}

int main() {
    //ifstream cin("A.in");
    //ofstream cout("A.out");
    int i, n, q;
    ios::sync_with_stdio(false);
    cin.tie(0), cout.tie(0);

    cin >> n >> q;

    vector <int> d(n + 1, 1);

    for(i = 1; i <= n; i++) {
        cin >> d[i];
    }

    vector <ll> prd(n + 1, 1);

    for(i = 1; i <= n; i++) {
        prd[i] = (d[i] + prd[i - 1] - 1) / prd[i - 1];
        prd[i] *= prd[i - 1];

        if(prd[i] > INF) {
            prd[i] = INF;
        }
        //cerr << prd[i] << " ";
    }


    while(q > 0) {
        q--;

        int t, l, r;
        cin >> t >> l >> r;

        int a = 0, b = 0;

        for(int step = 1 << 19; step; step >>= 1) {
            if(a + step <= n && -(a + step) + get(a + step, prd, t) > r) {
                a += step;
            }
            if(b + step <= n && -(b + step) + get(b + step, prd, t) >= l) {
                b += step;
            }
        }

        int ans = b - a;

        if(l <= t && t <= r) {
            ans++;
        }

        cout << ans << "\n";

    }

    //cin.close();
    //cout.close();
    return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 677 ms 24732 KB Output is correct
2 Correct 698 ms 24824 KB Output is correct
3 Correct 732 ms 24840 KB Output is correct
4 Correct 745 ms 24824 KB Output is correct
5 Correct 790 ms 24696 KB Output is correct
6 Correct 782 ms 24772 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct

Subtask #3
81.0 / 81.0

# 결과 실행 시간 메모리 Grader output
1 Correct 677 ms 24732 KB Output is correct
2 Correct 698 ms 24824 KB Output is correct
3 Correct 732 ms 24840 KB Output is correct
4 Correct 745 ms 24824 KB Output is correct
5 Correct 790 ms 24696 KB Output is correct
6 Correct 782 ms 24772 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 3 ms 384 KB Output is correct
10 Correct 3 ms 384 KB Output is correct
11 Correct 3 ms 384 KB Output is correct
12 Correct 3 ms 384 KB Output is correct
13 Correct 461 ms 23168 KB Output is correct
14 Correct 463 ms 23776 KB Output is correct
15 Correct 512 ms 22520 KB Output is correct
16 Correct 515 ms 23160 KB Output is correct
17 Correct 608 ms 27384 KB Output is correct
18 Correct 628 ms 27356 KB Output is correct
19 Correct 618 ms 27352 KB Output is correct
20 Correct 587 ms 27312 KB Output is correct
21 Correct 566 ms 27256 KB Output is correct
22 Correct 571 ms 27456 KB Output is correct
23 Correct 632 ms 27256 KB Output is correct
24 Correct 613 ms 27384 KB Output is correct
25 Correct 841 ms 24748 KB Output is correct
26 Correct 673 ms 24788 KB Output is correct
27 Correct 638 ms 26848 KB Output is correct
28 Correct 687 ms 27348 KB Output is correct
29 Correct 642 ms 26684 KB Output is correct
30 Correct 678 ms 26844 KB Output is correct
31 Correct 613 ms 27200 KB Output is correct
32 Correct 643 ms 23292 KB Output is correct
33 Correct 2 ms 384 KB Output is correct