//why I missed it
#include <bits/stdc++.h>
#pragma GCC target("sse,sse2,avx2")
#pragma GCC optimize("unroll-loops,O2")
#define rep(i,l,r) for (int i = l; i < r; i++)
#define repr(i,r,l) for (int i = r; i >= l; i--)
#define X first
#define Y second
#define all(x) (x).begin() , (x).end()
#define pb push_back
#define endl '\n'
#define debug(x) cerr << #x << " : " << x << endl;
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pll;
constexpr ll N = 5e5+10,mod = 998244353,inf = 1e9+10;
inline int mkay(int a,int b){
if (a+b >= mod) return a+b-mod;
if (a+b < 0) return a+b+mod;
return a+b;
}
inline int poww(int a,int k){
if (k < 0) return 0;
int z = 1;
while (k){
if (k&1) z = 1ll*z*a%mod;
a = 1ll*a*a%mod;
k /= 2;
}
return z;
}
int d[N];
int a[N];
int main(){
ios :: sync_with_stdio(0); cin.tie(0);
int n,q;
cin >> n >> q;
a[0] = 1;
rep(i,1,n+1){
cin >> d[i];
int cnt = (d[i]+a[i-1]-1)/a[i-1];
ll cal1 = 1ll*a[i-1]*cnt;
if (cal1 < inf) a[i] = cal1;
else a[i] = inf;
}
while(q--){
int t,x,y;
cin >> t >> x >> y;
int l = -1,r = n+1,m;
while(r-l > 1){
m = (l+r) >> 1;
int cnt = t/a[m];
ll po = 1ll*cnt*a[m]-m;
if (po > y) l = m;
else r = m;
}
int ans = -r;
x--;
l = -1;
r = n+1;
while(r-l > 1){
m = (l+r) >> 1;
int cnt = t/a[m];
ll po = 1ll*cnt*a[m]-m;
if (po > x) l = m;
else r = m;
}
ans += r;
cout << ans << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
526 ms |
22604 KB |
Output is correct |
2 |
Correct |
517 ms |
22616 KB |
Output is correct |
3 |
Correct |
512 ms |
22600 KB |
Output is correct |
4 |
Correct |
508 ms |
22612 KB |
Output is correct |
5 |
Correct |
517 ms |
22860 KB |
Output is correct |
6 |
Correct |
530 ms |
22568 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
352 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
526 ms |
22604 KB |
Output is correct |
2 |
Correct |
517 ms |
22616 KB |
Output is correct |
3 |
Correct |
512 ms |
22600 KB |
Output is correct |
4 |
Correct |
508 ms |
22612 KB |
Output is correct |
5 |
Correct |
517 ms |
22860 KB |
Output is correct |
6 |
Correct |
530 ms |
22568 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 |
352 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
377 ms |
21152 KB |
Output is correct |
14 |
Correct |
375 ms |
21708 KB |
Output is correct |
15 |
Correct |
367 ms |
20468 KB |
Output is correct |
16 |
Correct |
369 ms |
20940 KB |
Output is correct |
17 |
Correct |
422 ms |
25152 KB |
Output is correct |
18 |
Correct |
444 ms |
25164 KB |
Output is correct |
19 |
Correct |
440 ms |
25300 KB |
Output is correct |
20 |
Correct |
438 ms |
25156 KB |
Output is correct |
21 |
Correct |
456 ms |
25300 KB |
Output is correct |
22 |
Correct |
431 ms |
25240 KB |
Output is correct |
23 |
Correct |
421 ms |
25264 KB |
Output is correct |
24 |
Correct |
414 ms |
25368 KB |
Output is correct |
25 |
Correct |
539 ms |
22716 KB |
Output is correct |
26 |
Correct |
531 ms |
22732 KB |
Output is correct |
27 |
Correct |
457 ms |
24820 KB |
Output is correct |
28 |
Correct |
438 ms |
25104 KB |
Output is correct |
29 |
Correct |
435 ms |
24764 KB |
Output is correct |
30 |
Correct |
451 ms |
24848 KB |
Output is correct |
31 |
Correct |
442 ms |
25076 KB |
Output is correct |
32 |
Correct |
438 ms |
21332 KB |
Output is correct |
33 |
Correct |
0 ms |
340 KB |
Output is correct |