/*
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimize("unroll-loops")
*/
#include <bits/stdc++.h>
#define int long long
using namespace std;
#define all(x) x.begin(), x.end()
#define len(x) ll(x.size())
#define eb emplace_back
#define PI acos(-1.0)
#define fi first
#define se second
#define mp make_pair
#define pb push_back
#define MIN(v) *min_element(all(v))
#define MAX(v) *max_element(all(v))
#define BIT(x, i) (1 & ((x) >> (i)))
#define MASK(x) (1LL << (x))
#define task "tnc"
#define rep(i, n) for (int i = 0; i < (n); i++)
#define rep1(i, n) for (int i = 1; i <= (n); i++)
typedef long long ll;
typedef long double ld;
const ll INF = 1e18;
const int maxn = 1e6 + 5;
const int mod = 1e9 + 7;
const int mo = 998244353;
using pi = pair<ll, ll>;
using vi = vector<ll>;
using pii = pair<pair<ll, ll>, ll>;
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
int n, q;
int d[maxn];
int calc[maxn];
int f(int t, int id)
{
int tim = t / calc[id];
int dis = calc[id] * tim;
dis -= id;
return dis;
}
int last(int t, int pos)
{
int l = 1;
int r = n;
int ans = n + 1;
while (l <= r)
{
int mid = (l + r) / 2;
if (f(t, mid) <= pos)
{
ans = mid;
r = mid - 1;
}
else
{
l = mid + 1;
}
}
return n - ans + 1;
}
signed main()
{
cin.tie(0), cout.tie(0)->sync_with_stdio(0);
cin >> n >> q;
for (int i = 1; i <= n; i++)
{
cin >> d[i];
}
for (int i = 1; i <= n; i++)
{
if (i == 1)
{
calc[1] = d[1];
}
else
{
calc[i] = ((d[i]) / calc[i - 1] + 1) * calc[i - 1];
}
}
for (int i = 1; i <= q; i++)
{
int t, l, r;
cin >> t >> l >> r;
cout << last(t, r) - last(t, l - 1) + (l <= t && t <= r) << "\n";
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
426 ms |
11176 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
360 KB |
Output is correct |
5 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
6 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
426 ms |
11176 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |