//Smaug never desolated!!
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MAXN = (int)5e5 + 7;
const int infint = (int)1e9 + 3;
const int MOD = (int)1e9 + 7;
const ll inf = (ll)1e18;
ll a[MAXN], n, tme[MAXN], Q;
ll intersect(ll u, ll v, ll a, ll b)
{
ll mx = max(u, a);
ll mn = min(v, b);
if(mn >= mx)
return mn - mx + 1;
else
return 0;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
cin >> n >> Q;
for (int i = 1; i <= n; i++)
cin >> a[i];
tme[0] = 1;
for (int i = 1; i <= n; i++)
{
ll tmp = (a[i] + tme[i - 1] - 1) / tme[i - 1];
tme[i] = tme[i - 1] * tmp;
if(tme[i] >= infint)
break;
}
int last = 0;
vector< pair<ll, pair<ll, ll> > > v;
v.push_back({1, {0, 0}});
for (int i = 1; i <= n; i++)
{
if(tme[i] >= infint)
break;
if(tme[i] == tme[last])
v.back().second.second++;
else
v.push_back({tme[i], {i, i}}), last = i;
}
for (int i = 0; i < Q; i++)
{
ll L, R, T;
cin >> T >> L >> R;
ll ans = 0;
for (auto u : v)
{
ll cur = (T / u.first) * u.first;
ll newL = 0, newR = 0;
if(L <= cur && cur <= R)
newL = 0, newR = cur - L;
else
if(cur > R)
newL = cur - R, newR = cur - L;
else
newL = -1, newR = -1;
ans += intersect(u.second.first, u.second.second, newL, newR);
}
cout << ans << "\n";
}
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
259 ms |
25336 KB |
Output is correct |
| 2 |
Correct |
265 ms |
26616 KB |
Output is correct |
| 3 |
Correct |
258 ms |
26616 KB |
Output is correct |
| 4 |
Correct |
262 ms |
26616 KB |
Output is correct |
| 5 |
Correct |
261 ms |
26764 KB |
Output is correct |
| 6 |
Correct |
261 ms |
26616 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
259 ms |
25336 KB |
Output is correct |
| 2 |
Correct |
265 ms |
26616 KB |
Output is correct |
| 3 |
Correct |
258 ms |
26616 KB |
Output is correct |
| 4 |
Correct |
262 ms |
26616 KB |
Output is correct |
| 5 |
Correct |
261 ms |
26764 KB |
Output is correct |
| 6 |
Correct |
261 ms |
26616 KB |
Output is correct |
| 7 |
Correct |
2 ms |
376 KB |
Output is correct |
| 8 |
Correct |
2 ms |
376 KB |
Output is correct |
| 9 |
Correct |
2 ms |
376 KB |
Output is correct |
| 10 |
Correct |
2 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
2 ms |
376 KB |
Output is correct |
| 13 |
Correct |
264 ms |
21212 KB |
Output is correct |
| 14 |
Correct |
268 ms |
21824 KB |
Output is correct |
| 15 |
Correct |
247 ms |
20472 KB |
Output is correct |
| 16 |
Correct |
262 ms |
20976 KB |
Output is correct |
| 17 |
Correct |
442 ms |
28176 KB |
Output is correct |
| 18 |
Correct |
411 ms |
28128 KB |
Output is correct |
| 19 |
Correct |
415 ms |
27640 KB |
Output is correct |
| 20 |
Correct |
414 ms |
28252 KB |
Output is correct |
| 21 |
Correct |
408 ms |
28084 KB |
Output is correct |
| 22 |
Correct |
412 ms |
27668 KB |
Output is correct |
| 23 |
Correct |
416 ms |
28448 KB |
Output is correct |
| 24 |
Correct |
415 ms |
27580 KB |
Output is correct |
| 25 |
Correct |
269 ms |
26572 KB |
Output is correct |
| 26 |
Correct |
271 ms |
26540 KB |
Output is correct |
| 27 |
Correct |
422 ms |
28616 KB |
Output is correct |
| 28 |
Correct |
454 ms |
29116 KB |
Output is correct |
| 29 |
Correct |
431 ms |
26376 KB |
Output is correct |
| 30 |
Correct |
431 ms |
27100 KB |
Output is correct |
| 31 |
Correct |
440 ms |
28944 KB |
Output is correct |
| 32 |
Correct |
261 ms |
25304 KB |
Output is correct |
| 33 |
Correct |
2 ms |
376 KB |
Output is correct |
