Submission #53793

#	Time	Username	Problem	Language	Result	Execution time	Memory
53793		Alexa2001	Worst Reporter 3 (JOI18_worst_reporter3)	C++17	19 / 100	1176 ms	106992 KiB

worst_reporter3

#include <bits/stdc++.h>

using namespace std;

const int lim = 1e9;
const int Nmax = 5e5 + 5;
typedef long long ll;

int tmp, x, y, up, D, i, N, Q, n, F, S, cnt;
int d[Nmax], t[Nmax], start[Nmax], finish[Nmax];

int main()
{
  //  freopen("input", "r", stdin);
 //   freopen("output", "w", stdout);
    cin.sync_with_stdio(false);

    cin >> N >> Q;

    n = 1, t[1] = 1, d[1] = 1;
    for(i=1; i<=N; ++i)
    {
        cin >> D;
        up = D / d[n];
        if(D % d[n]) ++up;

        if((ll) up * t[n] > lim || (ll) up * d[n] > lim) break;

        if(up == 1) start[n] --;
            else
            {
                ++n;
                start[n] = finish[n] = -i;
                t[n] = t[n-1] * up;
                d[n] = d[n-1] * up;
            }
    }

    while(Q--)
    {
        cin >> tmp >> x >> y;

        int ans = 0;
        for(i=1; i<=n; ++i)
        {
            cnt = tmp / t[i];
            S = start[i] + cnt * d[i];
            F = finish[i] + cnt * d[i];

            ans += max(0, min(y, F) - max(x, S) + 1);
        }
        cout << ans << '\n';
    }

    return 0;
}

• Subtask 1: 7 / 7
• Subtask 2: 12 / 12
• Subtask 3: 0 / 81