#include <bits/stdc++.h>
using namespace std;
#define int ll
#define FOR(i,s,e) for(ll i = s; i <= (ll)e; ++i)
#define DEC(i,s,e) for(ll i = s; i >= (ll)e; --i)
#define IAMSPEED ios_base::sync_with_stdio(false); cin.tie(0);
#ifdef LOCAL
#define db(x) cerr << #x << "=" << x << "\n"
#define db2(x, y) cerr << #x << "=" << x << " , " << #y << "=" << y << "\n"
#define db3(a,b,c) cerr<<#a<<"="<<a<<","<<#b<<"="<<b<<","<<#c<<"="<<c<<"\n"
#define dbv(v) cerr << #v << ":"; for (auto ite : v) cerr << ite << ' '; cerr <<"\n"
#define dbvp(v) cerr << #v << ":"; for (auto ite : v) cerr << "{" << ite.f << ',' << ite.s << "} "; cerr << "\n"
#define dba(a,ss,ee) cerr << #a << ":"; FOR(ite,ss,ee) cerr << a[ite] << ' '; cerr << "\n"
#define reach cerr << "LINE: " << __LINE__ << "\n";
#else
#define db(x)
#define db2(x,y)
#define db3(a,b,c)
#define dbv(v)
#define dbvp(v)
#define dba(a,ss,ee)
#define reach
#endif
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define ll long long
#define pb push_back
#define eb emplace_back
#define all(x) (x).begin(), (x).end()
#define f first
#define s second
#define g0(x) get<0>(x)
#define g1(x) get<1>(x)
#define g2(x) get<2>(x)
#define g3(x) get<3>(x)
typedef pair <ll, ll> pi;
typedef tuple<ll,ll,ll> ti3;
typedef tuple<ll,ll,ll,ll> ti4;
ll rand(ll a, ll b) { return a + rng() % (b-a+1); }
const int MOD = 1e9 + 7;
const int inf = (int)1e9 + 500;
const long long oo = (ll)1e18 + 500;
template <typename T> void chmax(T& a, const T b) { a=max(a,b); }
template <typename T> void chmin(T& a, const T b) { a=min(a,b); }
const int MAXN = 500005;
int n,q;
int A[MAXN];
int D[MAXN];
int query(int x, int ti) {
int rep = ti / D[x];
return rep * D[x];
}
int32_t main()
{
IAMSPEED
cin >> n >> q;
FOR(i,1,n) {
cin >> A[i];
//A[i] ++ ;
}
D[0]=1;
FOR(i,1,n) {
D[i] = ((A[i]+D[i-1]-1) / D[i-1]) * D[i-1];
}
FOR(i,1,n) {
db2(i,query(i,4)-i);
}
dba(D,1,n);
while(q--) {
int t,l,r; cin >> t >> l >> r;
int lo = 0, hi=n+1;
while(lo<hi-1) {
int mid=lo+((hi-lo)>>1);
if(query(mid,t) - mid >= l)lo=mid;
else hi=mid;
}
int lft = lo;
lo=0,hi=n+1;
while(lo<hi-1) {
int mid=lo+((hi-lo)>>1);
if(query(mid,t) - mid <= r)hi=mid;
else lo=mid;
}
int rgt=hi;
db2(rgt,lft);
bool ioichan = 0;
if(t >=l && t<=r)ioichan=1;
cout << lft-rgt+1+ioichan << '\n';
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
526 ms |
26700 KB |
Output is correct |
2 |
Correct |
507 ms |
26588 KB |
Output is correct |
3 |
Correct |
524 ms |
26540 KB |
Output is correct |
4 |
Correct |
514 ms |
26688 KB |
Output is correct |
5 |
Correct |
542 ms |
26600 KB |
Output is correct |
6 |
Correct |
539 ms |
26536 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
372 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
356 KB |
Output is correct |
5 |
Correct |
2 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
526 ms |
26700 KB |
Output is correct |
2 |
Correct |
507 ms |
26588 KB |
Output is correct |
3 |
Correct |
524 ms |
26540 KB |
Output is correct |
4 |
Correct |
514 ms |
26688 KB |
Output is correct |
5 |
Correct |
542 ms |
26600 KB |
Output is correct |
6 |
Correct |
539 ms |
26536 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
372 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
356 KB |
Output is correct |
11 |
Correct |
2 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
323 ms |
25052 KB |
Output is correct |
14 |
Correct |
323 ms |
25636 KB |
Output is correct |
15 |
Correct |
302 ms |
24328 KB |
Output is correct |
16 |
Correct |
306 ms |
24816 KB |
Output is correct |
17 |
Correct |
394 ms |
29180 KB |
Output is correct |
18 |
Correct |
443 ms |
29144 KB |
Output is correct |
19 |
Correct |
404 ms |
29136 KB |
Output is correct |
20 |
Correct |
434 ms |
29160 KB |
Output is correct |
21 |
Correct |
397 ms |
29120 KB |
Output is correct |
22 |
Correct |
445 ms |
29132 KB |
Output is correct |
23 |
Correct |
415 ms |
29060 KB |
Output is correct |
24 |
Correct |
419 ms |
29252 KB |
Output is correct |
25 |
Correct |
512 ms |
26580 KB |
Output is correct |
26 |
Correct |
574 ms |
26568 KB |
Output is correct |
27 |
Correct |
461 ms |
28752 KB |
Output is correct |
28 |
Correct |
413 ms |
28956 KB |
Output is correct |
29 |
Correct |
516 ms |
28516 KB |
Output is correct |
30 |
Correct |
463 ms |
28692 KB |
Output is correct |
31 |
Correct |
449 ms |
28916 KB |
Output is correct |
32 |
Correct |
435 ms |
25164 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |