#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 5e5 + 2;
const int inf = 1e9;
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n, Q;
cin >> n >> Q;
vector<int> d(n), koef(n);
for (int i = 0; i < n; i++) cin >> d[i];
koef[0] = d[0];
for (int i = 1; i < n; i++) {
ll o = (d[i] - 1) / koef[i - 1];
ll u = (ll) (koef[i - 1]) * (o + 1);
if (u > 1e9) {
for (int zz = 0; zz < n - i; zz++) {
d.pop_back();
koef.pop_back();
}
break;
}
koef[i] = koef[i - 1] * (o + 1);
}
n = d.size();
vector<int> gde;
gde.push_back(0);
for (int i = 1; i < n; i++) if (koef[i] > koef[i - 1]) gde.push_back(i);
int sz = gde.size();
while (Q--) {
int t, l, r;
cin >> t >> l >> r;
int ans = 0;
for (int ii = 0; ii < sz; ii++) {
int i = gde[ii]; int kr = (ii == sz - 1 ? n : gde[ii + 1]) - 1;
int w = (t / koef[i]) * koef[i];
int p = w - i - 1; int q = w - kr - 1;
smax(q, l);
smin(p, r);
ans += max(0, min(p, r) - max(q, l) + 1);
}
ans += (l <= t && t <= r);
cout << ans << en;
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
211 ms |
22904 KB |
Output is correct |
2 |
Correct |
215 ms |
22716 KB |
Output is correct |
3 |
Correct |
221 ms |
22600 KB |
Output is correct |
4 |
Correct |
213 ms |
22648 KB |
Output is correct |
5 |
Correct |
208 ms |
22748 KB |
Output is correct |
6 |
Correct |
207 ms |
22648 KB |
Output is correct |
# |
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 |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
292 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
211 ms |
22904 KB |
Output is correct |
2 |
Correct |
215 ms |
22716 KB |
Output is correct |
3 |
Correct |
221 ms |
22600 KB |
Output is correct |
4 |
Correct |
213 ms |
22648 KB |
Output is correct |
5 |
Correct |
208 ms |
22748 KB |
Output is correct |
6 |
Correct |
207 ms |
22648 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
292 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
207 ms |
21124 KB |
Output is correct |
14 |
Correct |
218 ms |
21792 KB |
Output is correct |
15 |
Correct |
206 ms |
20428 KB |
Output is correct |
16 |
Correct |
213 ms |
21012 KB |
Output is correct |
17 |
Correct |
289 ms |
25192 KB |
Output is correct |
18 |
Correct |
291 ms |
25224 KB |
Output is correct |
19 |
Correct |
297 ms |
25340 KB |
Output is correct |
20 |
Correct |
297 ms |
25260 KB |
Output is correct |
21 |
Correct |
283 ms |
25204 KB |
Output is correct |
22 |
Correct |
283 ms |
25332 KB |
Output is correct |
23 |
Correct |
282 ms |
25208 KB |
Output is correct |
24 |
Correct |
283 ms |
25356 KB |
Output is correct |
25 |
Correct |
215 ms |
22692 KB |
Output is correct |
26 |
Correct |
214 ms |
22708 KB |
Output is correct |
27 |
Correct |
289 ms |
24772 KB |
Output is correct |
28 |
Correct |
308 ms |
25156 KB |
Output is correct |
29 |
Correct |
301 ms |
24792 KB |
Output is correct |
30 |
Correct |
300 ms |
24840 KB |
Output is correct |
31 |
Correct |
309 ms |
25088 KB |
Output is correct |
32 |
Correct |
212 ms |
21256 KB |
Output is correct |
33 |
Correct |
0 ms |
212 KB |
Output is correct |