oj.uz

답안 #992281

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
992281 2024-06-04T08:18:52 Z imarn Fish 3 (JOI24_fish3) C++14
100 / 100
 491 ms 60600 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<ll,ll>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int mxn=3e5+5;
ll t[4*mxn]{0},lz[4*mxn]{0};
void push(int i,int l,int r){
    if(lz[i]==1e16)return;
    t[i]=lz[i]*(r-l+1);
    if(l<r)lz[2*i]=lz[i],lz[2*i+1]=lz[i];
    lz[i]=1e16;
}
void update(int i,int l,int r,int tl,int tr,ll v){
    push(i,l,r);
    if(r<tl||l>tr)return;
    if(r<=tr&&l>=tl){
        lz[i]=v;push(i,l,r);return;
    }int m=(l+r)>>1;
    update(2*i,l,m,tl,tr,v);update(2*i+1,m+1,r,tl,tr,v);
    t[i]=t[2*i]+t[2*i+1];
}
ll query(int i,int l,int r,int tl,int tr){
    push(i,l,r);
    if(r<tl||l>tr)return 0;
    if(r<=tr&&l>=tl)return t[i];
    int m=(l+r)>>1;
    return query(2*i,l,m,tl,tr)+query(2*i+1,m+1,r,tl,tr);
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n;ll d;cin>>n>>d;ll c[n+1],a[n+1],b[n+1],qa[n+1];
    for(int i=1;i<=4*n;i++)lz[i]=1e16;
    for(int i=1;i<=n;i++){
        cin>>c[i];b[i]=c[i]%d,a[i]=c[i]/d;
    }ll pf[n+1]={0},spf[n+1]={0};
    for(int i=2;i<=n;i++)pf[i]=pf[i-1]+(b[i]<b[i-1]);
    for(int i=1;i<=n;i++)spf[i]=spf[i-1]+pf[i],qa[i]=qa[i-1]+a[i];
    vector<pii>qr[n+1];int q;cin>>q;ll ans[q+1]={0};
    for(int i=1;i<=q;i++){
        int l,r;cin>>l>>r;qr[r].pb({l,i});
    }vector<pii>g;
    for(int i=1;i<=n;i++){
        int id=i;
        while(!g.empty()&&a[i]-pf[i]<g.back().f)id=g.back().s,g.pop_back();
        g.pb({a[i]-pf[i],id});update(1,1,n,id,i,a[i]-pf[i]);
        for(auto it : qr[i]){
            ans[it.s]=qa[i]-qa[it.f-1];
            ans[it.s]-=query(1,1,n,it.f,i);
            ans[it.s]-=spf[i]-spf[it.f-1];
            if(query(1,1,n,it.f,it.f)+pf[it.f]<0)ans[it.s]=-1;
        }
    }
    for(int i=1;i<=q;i++)cout<<ans[i]<<'\n';
}

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 5 ms 2908 KB Output is correct
5 Correct 3 ms 2908 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 3 ms 2924 KB Output is correct
9 Correct 3 ms 2904 KB Output is correct
10 Correct 3 ms 2908 KB Output is correct
11 Correct 3 ms 2908 KB Output is correct
12 Correct 5 ms 2908 KB Output is correct
13 Correct 3 ms 2904 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 383 ms 55740 KB Output is correct
2 Correct 396 ms 55232 KB Output is correct
3 Correct 139 ms 13908 KB Output is correct
4 Correct 460 ms 51196 KB Output is correct
5 Correct 432 ms 51184 KB Output is correct
6 Correct 422 ms 54964 KB Output is correct
7 Correct 412 ms 53688 KB Output is correct

Subtask #3
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 149 ms 17612 KB Output is correct
2 Correct 426 ms 55608 KB Output is correct
3 Correct 443 ms 55636 KB Output is correct
4 Correct 439 ms 55540 KB Output is correct
5 Correct 397 ms 55608 KB Output is correct
6 Correct 401 ms 52904 KB Output is correct
7 Correct 398 ms 53056 KB Output is correct
8 Correct 401 ms 53044 KB Output is correct
9 Correct 410 ms 53068 KB Output is correct
10 Correct 386 ms 59292 KB Output is correct
11 Correct 412 ms 58804 KB Output is correct
12 Correct 393 ms 55996 KB Output is correct
13 Correct 395 ms 56004 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 357 ms 44884 KB Output is correct
2 Correct 476 ms 52680 KB Output is correct
3 Correct 247 ms 23196 KB Output is correct
4 Correct 392 ms 52864 KB Output is correct
5 Correct 397 ms 52820 KB Output is correct
6 Correct 427 ms 55568 KB Output is correct
7 Correct 379 ms 46708 KB Output is correct
8 Correct 435 ms 55420 KB Output is correct
9 Correct 373 ms 51916 KB Output is correct
10 Correct 418 ms 51660 KB Output is correct
11 Correct 404 ms 52788 KB Output is correct
12 Correct 403 ms 51912 KB Output is correct
13 Correct 429 ms 55356 KB Output is correct
14 Correct 404 ms 51284 KB Output is correct
15 Correct 438 ms 55356 KB Output is correct
16 Correct 398 ms 51280 KB Output is correct

Subtask #5
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 5 ms 2908 KB Output is correct
5 Correct 3 ms 2908 KB Output is correct
6 Correct 3 ms 2652 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 3 ms 2924 KB Output is correct
9 Correct 3 ms 2904 KB Output is correct
10 Correct 3 ms 2908 KB Output is correct
11 Correct 3 ms 2908 KB Output is correct
12 Correct 5 ms 2908 KB Output is correct
13 Correct 3 ms 2904 KB Output is correct
14 Correct 383 ms 55740 KB Output is correct
15 Correct 396 ms 55232 KB Output is correct
16 Correct 139 ms 13908 KB Output is correct
17 Correct 460 ms 51196 KB Output is correct
18 Correct 432 ms 51184 KB Output is correct
19 Correct 422 ms 54964 KB Output is correct
20 Correct 412 ms 53688 KB Output is correct
21 Correct 149 ms 17612 KB Output is correct
22 Correct 426 ms 55608 KB Output is correct
23 Correct 443 ms 55636 KB Output is correct
24 Correct 439 ms 55540 KB Output is correct
25 Correct 397 ms 55608 KB Output is correct
26 Correct 401 ms 52904 KB Output is correct
27 Correct 398 ms 53056 KB Output is correct
28 Correct 401 ms 53044 KB Output is correct
29 Correct 410 ms 53068 KB Output is correct
30 Correct 386 ms 59292 KB Output is correct
31 Correct 412 ms 58804 KB Output is correct
32 Correct 393 ms 55996 KB Output is correct
33 Correct 395 ms 56004 KB Output is correct
34 Correct 357 ms 44884 KB Output is correct
35 Correct 476 ms 52680 KB Output is correct
36 Correct 247 ms 23196 KB Output is correct
37 Correct 392 ms 52864 KB Output is correct
38 Correct 397 ms 52820 KB Output is correct
39 Correct 427 ms 55568 KB Output is correct
40 Correct 379 ms 46708 KB Output is correct
41 Correct 435 ms 55420 KB Output is correct
42 Correct 373 ms 51916 KB Output is correct
43 Correct 418 ms 51660 KB Output is correct
44 Correct 404 ms 52788 KB Output is correct
45 Correct 403 ms 51912 KB Output is correct
46 Correct 429 ms 55356 KB Output is correct
47 Correct 404 ms 51284 KB Output is correct
48 Correct 438 ms 55356 KB Output is correct
49 Correct 398 ms 51280 KB Output is correct
50 Correct 491 ms 55632 KB Output is correct
51 Correct 375 ms 53076 KB Output is correct
52 Correct 441 ms 53032 KB Output is correct
53 Correct 408 ms 60600 KB Output is correct
54 Correct 401 ms 56000 KB Output is correct
55 Correct 454 ms 55544 KB Output is correct
56 Correct 397 ms 51284 KB Output is correct
57 Correct 429 ms 51320 KB Output is correct
58 Correct 400 ms 51164 KB Output is correct
59 Correct 415 ms 53496 KB Output is correct
60 Correct 412 ms 51260 KB Output is correct
61 Correct 393 ms 59316 KB Output is correct
62 Correct 410 ms 59168 KB Output is correct
63 Correct 397 ms 55916 KB Output is correct
64 Correct 432 ms 51188 KB Output is correct