#include <bits/stdc++.h>
#pragma GCC optimize("O3,unroll-loops")
#define pb push_back
#define F first
#define S second
#define all(a) a.begin(),a.end()
#define pii pair <int,int>
#define PII pair<pii , pii>
#define ld long double
#define int long long
#define sz(v) (int)v.size()
#define rep(i , a , b) for(int i=a;i <= b;i++)
#define per(i, a , b) for(int i=a;i >= b;i--)
using namespace std ;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int maxn = 5e5 + 10 , sq = 550, inf = 1e8+10 , mod = 10007 , lg = 20 ;
int n , q , d[maxn] , s[maxn] , t[maxn] ;
int que(int x , int f){
int l = -1 , r = n+1 ;
while(r-l>1){
int m =(l+r)/2 ;
int ted = f/t[m] ;
int x2 = -m + ted * s[m] ;
if(x2 <= x){
r = m ;
}else{
l = m ;
}
}
return n+1-r ;
}
signed main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> q ;
s[0] = t[0] = 1;bool ok = 0;
rep(i ,1 , n){
cin>> d[i] ;
if(ok == 1)continue ;
int ted = (d[i] + s[i-1]-1)/s[i-1] ;
s[i] = ted * s[i-1];
t[i] = ted * t[i-1] ;
if(t[i] > 1e9){
ok = 1 ;
rep(j , i+1 , n)t[j] = t[j-1] ;
}
}
while(q--){
int l , r , ti ;cin >> ti >> l >> r;
cout << que(r , ti) - que(l-1 ,ti) << "\n" ;
}
}
/*
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
433 ms |
30580 KB |
Output is correct |
2 |
Correct |
483 ms |
30432 KB |
Output is correct |
3 |
Correct |
510 ms |
30548 KB |
Output is correct |
4 |
Correct |
451 ms |
30548 KB |
Output is correct |
5 |
Correct |
449 ms |
30580 KB |
Output is correct |
6 |
Correct |
431 ms |
30544 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
433 ms |
30580 KB |
Output is correct |
2 |
Correct |
483 ms |
30432 KB |
Output is correct |
3 |
Correct |
510 ms |
30548 KB |
Output is correct |
4 |
Correct |
451 ms |
30548 KB |
Output is correct |
5 |
Correct |
449 ms |
30580 KB |
Output is correct |
6 |
Correct |
431 ms |
30544 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
348 KB |
Output is correct |
13 |
Correct |
283 ms |
25212 KB |
Output is correct |
14 |
Correct |
306 ms |
25728 KB |
Output is correct |
15 |
Correct |
268 ms |
24404 KB |
Output is correct |
16 |
Correct |
280 ms |
24868 KB |
Output is correct |
17 |
Correct |
358 ms |
32080 KB |
Output is correct |
18 |
Correct |
347 ms |
31776 KB |
Output is correct |
19 |
Correct |
338 ms |
31628 KB |
Output is correct |
20 |
Correct |
382 ms |
32084 KB |
Output is correct |
21 |
Correct |
371 ms |
31824 KB |
Output is correct |
22 |
Correct |
366 ms |
31568 KB |
Output is correct |
23 |
Correct |
379 ms |
32340 KB |
Output is correct |
24 |
Correct |
351 ms |
31572 KB |
Output is correct |
25 |
Correct |
453 ms |
30728 KB |
Output is correct |
26 |
Correct |
455 ms |
30632 KB |
Output is correct |
27 |
Correct |
416 ms |
32592 KB |
Output is correct |
28 |
Correct |
363 ms |
33056 KB |
Output is correct |
29 |
Correct |
365 ms |
30292 KB |
Output is correct |
30 |
Correct |
389 ms |
31144 KB |
Output is correct |
31 |
Correct |
377 ms |
32848 KB |
Output is correct |
32 |
Correct |
380 ms |
29268 KB |
Output is correct |
33 |
Correct |
0 ms |
344 KB |
Output is correct |