제출 #1307297

#제출 시각아이디문제언어결과실행 시간메모리
1307297Double_SlashWorst Reporter 3 (JOI18_worst_reporter3)C++20
100 / 100
1104 ms5368 KiB
#include <bits/stdc++.h> using namespace std; int n, q, T[500001]{1}; int main() { cin >> n >> q; for (int i = 1; i <= n; ++i) { int d; cin >> d; T[i] = T[i - 1] * (d / T[i - 1] + !!(d % T[i - 1])); } while (q--) { int t, l, r; cin >> t >> l >> r; auto ss = [&] (int x) { int i = -1; for (int k = 19; k--;) { if ((i += 1 << k) > n) goto no; if (T[i] * (t / T[i]) - i < x) no: i -= 1 << k; } return i; }; cout << ss(l) - ss(r + 1) << endl; } }
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