#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
#define all(x) (x).begin(),(x).end()
#define X first
#define Y second
#define sep ' '
#define endl '\n'
#define SZ(x) ll(x.size())
const ll MAXN = 1e6 + 10;
const ll LOG = 22;
const ll INF = 8e18;
const ll MOD = 1e9 + 7; //998244353; //1e9 + 9;
int n , q , D[MAXN];
vector<int> vec;
int main() {
ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
cin >> n >> q; D[0] = 1;
for(int i = 1 ; i <= n ; i++){
cin >> D[i];
}
vec.push_back(0);
for(int i = 1 ; i <= n ; i++){
D[i] = (D[i] + D[i - 1] - 1) / D[i - 1] * D[i - 1];
if(D[i] != D[vec.back()]){
vec.push_back(i);
}
if(D[i] > MOD) break;
}
vec.push_back(n + 1);
while(q--){
int t , l , r , ans = 0;
cin >> t >> l >> r;
for(int i = 0 ; i + 1 < SZ(vec) ; i++){
int T = t / D[vec[i]];
int L = T * D[vec[i]] - vec[i + 1] + 1 , R = T * D[vec[i]] - vec[i];
L = max(L , l); R = min(R , r);
ans += max(0 , R - L + 1);
}
cout << ans << endl;
}
return 0;
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
261 ms |
20624 KB |
Output is correct |
2 |
Correct |
251 ms |
20684 KB |
Output is correct |
3 |
Correct |
236 ms |
20676 KB |
Output is correct |
4 |
Correct |
269 ms |
20644 KB |
Output is correct |
5 |
Correct |
275 ms |
20704 KB |
Output is correct |
6 |
Correct |
291 ms |
20608 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
2 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
336 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
261 ms |
20624 KB |
Output is correct |
2 |
Correct |
251 ms |
20684 KB |
Output is correct |
3 |
Correct |
236 ms |
20676 KB |
Output is correct |
4 |
Correct |
269 ms |
20644 KB |
Output is correct |
5 |
Correct |
275 ms |
20704 KB |
Output is correct |
6 |
Correct |
291 ms |
20608 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
336 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
241 ms |
19132 KB |
Output is correct |
14 |
Correct |
233 ms |
19788 KB |
Output is correct |
15 |
Correct |
249 ms |
18436 KB |
Output is correct |
16 |
Correct |
236 ms |
18972 KB |
Output is correct |
17 |
Correct |
341 ms |
23192 KB |
Output is correct |
18 |
Correct |
326 ms |
23204 KB |
Output is correct |
19 |
Correct |
397 ms |
23240 KB |
Output is correct |
20 |
Correct |
336 ms |
23220 KB |
Output is correct |
21 |
Correct |
328 ms |
23336 KB |
Output is correct |
22 |
Correct |
406 ms |
23332 KB |
Output is correct |
23 |
Correct |
353 ms |
23116 KB |
Output is correct |
24 |
Correct |
334 ms |
23268 KB |
Output is correct |
25 |
Correct |
269 ms |
20704 KB |
Output is correct |
26 |
Correct |
281 ms |
20728 KB |
Output is correct |
27 |
Correct |
324 ms |
22912 KB |
Output is correct |
28 |
Correct |
397 ms |
23084 KB |
Output is correct |
29 |
Correct |
393 ms |
22680 KB |
Output is correct |
30 |
Correct |
343 ms |
22880 KB |
Output is correct |
31 |
Correct |
347 ms |
23076 KB |
Output is correct |
32 |
Correct |
230 ms |
19324 KB |
Output is correct |
33 |
Correct |
1 ms |
212 KB |
Output is correct |