#include <bits/stdc++.h>
#define ff first
#define ss second
#define endl '\n'
using namespace std;
const long long INF = (long long) 1e18;
const int mod = (int) 1e9+7;
const int MAXN = (int) 5e5+5;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
ll n, q;
ll D[MAXN];
ll per[MAXN];
ll del[MAXN];
ll gt(ll mes, ll time){
ll l = 0, r = n + 1;
while(l < r){
ll m = (l + r)/2;
if(-n + m + time/per[m]*del[m] <= mes){
l = m + 1;
}else{
r = m;
}
}
return l;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(nullptr);
#ifdef Local
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/int.txt","r",stdin);
freopen("C:/Users/Admin/Desktop/Yazilim/C/IO/out.txt","w",stdout);
#endif
cin>>n>>q;
for(int i = n - 1; i >= 0; i--){
cin>>D[i];
}
D[n] = 1;
del[n] = 1;
per[n] = 1;
del[n + 1] = mod;
per[n + 1] = 1;
D[n + 1] = 1;
for(int i = n - 1; i >= 0; i--){
per[i] = ((D[i] + del[i + 1] - 1)/del[i + 1])*per[i + 1];
del[i] = per[i]/per[i + 1]*del[i + 1];
}
/*for(int i = 0; i <= n; i++){
cout<<per[i]<<" "<<del[i]<<" "<<D[i]<<endl;
}*/
for(int i = 0; i < q; i++){
ll l, r, T;
cin>>T>>l>>r;
cout<<gt(r, T) - gt(l - 1, T)<<endl;
}
#ifdef Local
cout<<endl<<fixed<<setprecision(2)<<1000.0 * clock() / CLOCKS_PER_SEC<< " milliseconds ";
#endif
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
821 ms |
30584 KB |
Output is correct |
2 |
Correct |
828 ms |
30712 KB |
Output is correct |
3 |
Correct |
813 ms |
30712 KB |
Output is correct |
4 |
Correct |
805 ms |
30820 KB |
Output is correct |
5 |
Correct |
808 ms |
30732 KB |
Output is correct |
6 |
Correct |
821 ms |
30584 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
6 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
6 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
821 ms |
30584 KB |
Output is correct |
2 |
Correct |
828 ms |
30712 KB |
Output is correct |
3 |
Correct |
813 ms |
30712 KB |
Output is correct |
4 |
Correct |
805 ms |
30820 KB |
Output is correct |
5 |
Correct |
808 ms |
30732 KB |
Output is correct |
6 |
Correct |
821 ms |
30584 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
6 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
6 ms |
376 KB |
Output is correct |
13 |
Correct |
423 ms |
29176 KB |
Output is correct |
14 |
Correct |
414 ms |
22776 KB |
Output is correct |
15 |
Correct |
405 ms |
28536 KB |
Output is correct |
16 |
Correct |
415 ms |
29048 KB |
Output is correct |
17 |
Correct |
516 ms |
15352 KB |
Output is correct |
18 |
Correct |
520 ms |
15352 KB |
Output is correct |
19 |
Correct |
520 ms |
15352 KB |
Output is correct |
20 |
Correct |
538 ms |
15224 KB |
Output is correct |
21 |
Correct |
532 ms |
15224 KB |
Output is correct |
22 |
Correct |
523 ms |
15352 KB |
Output is correct |
23 |
Correct |
515 ms |
15300 KB |
Output is correct |
24 |
Correct |
523 ms |
15352 KB |
Output is correct |
25 |
Correct |
796 ms |
30596 KB |
Output is correct |
26 |
Correct |
790 ms |
30584 KB |
Output is correct |
27 |
Correct |
570 ms |
15736 KB |
Output is correct |
28 |
Correct |
552 ms |
16036 KB |
Output is correct |
29 |
Correct |
552 ms |
15736 KB |
Output is correct |
30 |
Correct |
575 ms |
15864 KB |
Output is correct |
31 |
Correct |
554 ms |
15608 KB |
Output is correct |
32 |
Correct |
548 ms |
29176 KB |
Output is correct |
33 |
Correct |
5 ms |
376 KB |
Output is correct |