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Submission #1030628

# Submission time Handle Problem Language Result Execution time Memory
1030628 2024-07-22T07:53:02 Z 정희우(#10958) Bitaro, who Leaps through Time (JOI19_timeleap) C++17
100 / 100
 571 ms 86376 KB 
#include<iostream>
#include<algorithm>
#include<vector>

using namespace std;
using lint = long long;
using intp = pair<int,int>;
using vint = vector<int>;

const int MAX_N=300010;

struct Obj
{
    lint t,v;
};


struct Seg
{
    lint tl,tr,tc,vc;
    void setv(lint nl,lint nr)
    {
        tl=nl;
        tr=nr-1;
        tc=nl+1;
        vc=0;
    }
    Obj pass(Obj o) const
    {
        Obj ret;
        ret.t=tc+max(0LL,min(o.t-tl,tr-tl));
        ret.v=o.v+vc+max(0LL,o.t-tr);
        return ret;
    }
};

int n,q;
Seg seg[2][MAX_N<<2];

void merge_(Seg &p,const Seg &l,const Seg &r)
{
    if(l.tc>=r.tr)
        p.tl=p.tr=l.tl;
    else if(l.tc+l.tr-l.tl<=r.tl)
        p.tl=p.tr=l.tr;
    else
    {
        p.tl=max(l.tl,r.tl-l.tc+l.tl);
        p.tr=min(l.tr,r.tr-l.tc+l.tl);
    }
    p.tc=r.pass(l.pass({p.tl,0})).t;
    p.vc=r.pass(l.pass({p.tl,0})).v;
}

void update_(int i,int t,int s,int e,int x,lint nl,lint nr)
{
    if(s>x || e<=x)
        return;
    if(s==x && x+1==e)
    {
        seg[t][i].setv(nl,nr);
        return;
    }
    update_(i<<1,t,s,(s+e)>>1,x,nl,nr);
    update_(i<<1|1,t,(s+e)>>1,e,x,nl,nr);
    merge_(seg[t][i],seg[t][i<<1],seg[t][i<<1|1]);
}

Obj find_(int i,int t,int s,int e,int l,int r,Obj v)
{
    if(s>=r || e<=l)
        return v;
    if(l<=s && e<=r)
        return seg[t][i].pass(v);
    v=find_(i<<1,t,s,(s+e)>>1,l,r,v);
    return find_(i<<1|1,t,(s+e)>>1,e,l,r,v);
}

int main()
{
    ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
    cin >> n >> q;
    for(int i=1;i<n;i++)
    {
        lint l,r;
        cin >> l >> r;
        update_(1,0,0,n-1,i-1,l,r);
        update_(1,1,0,n-1,n-1-i,l,r);
    }
    while(q--)
    {
        int t,x,sp,ep;
        lint nl,nr,st,et;
        cin >> t;
        if(t==1)
        {
            cin >> x >> nl >> nr;
            update_(1,0,0,n-1,x-1,nl,nr);
            update_(1,1,0,n-1,n-1-x,nl,nr);
        }
        else
        {
            cin >> sp >> st >> ep >> et;
            if(sp==ep)
                cout << max(0LL,st-et) << '\n';
            else if(sp<ep)
            {
                Obj v=find_(1,0,0,n-1,sp-1,ep-1,{st,0});
                cout << v.v+max(0LL,v.t-et) << '\n';
            }
            else
            {
                Obj v=find_(1,1,0,n-1,n-sp,n-ep,{st,0});
                cout << v.v+max(0LL,v.t-et) << '\n';
            }
        }
    }
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 644 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 480 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 644 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 480 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 476 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 616 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 0 ms 348 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 448 ms 83024 KB Output is correct
2 Correct 422 ms 52560 KB Output is correct
3 Correct 403 ms 52816 KB Output is correct
4 Correct 421 ms 52560 KB Output is correct
5 Correct 445 ms 85896 KB Output is correct
6 Correct 433 ms 85584 KB Output is correct
7 Correct 451 ms 85856 KB Output is correct
8 Correct 502 ms 86304 KB Output is correct
9 Correct 479 ms 52820 KB Output is correct
10 Correct 461 ms 85840 KB Output is correct
11 Correct 515 ms 85832 KB Output is correct
12 Correct 513 ms 86172 KB Output is correct
13 Correct 558 ms 86376 KB Output is correct
14 Correct 1 ms 344 KB Output is correct

Subtask #3
66.0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 1 ms 644 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 1 ms 600 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 480 KB Output is correct
16 Correct 1 ms 604 KB Output is correct
17 Correct 1 ms 604 KB Output is correct
18 Correct 1 ms 604 KB Output is correct
19 Correct 1 ms 604 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 604 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 1 ms 644 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 1 ms 604 KB Output is correct
27 Correct 1 ms 604 KB Output is correct
28 Correct 1 ms 480 KB Output is correct
29 Correct 2 ms 604 KB Output is correct
30 Correct 1 ms 604 KB Output is correct
31 Correct 1 ms 476 KB Output is correct
32 Correct 1 ms 604 KB Output is correct
33 Correct 1 ms 604 KB Output is correct
34 Correct 1 ms 604 KB Output is correct
35 Correct 1 ms 604 KB Output is correct
36 Correct 1 ms 604 KB Output is correct
37 Correct 1 ms 604 KB Output is correct
38 Correct 1 ms 600 KB Output is correct
39 Correct 1 ms 616 KB Output is correct
40 Correct 1 ms 604 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 448 ms 83024 KB Output is correct
43 Correct 422 ms 52560 KB Output is correct
44 Correct 403 ms 52816 KB Output is correct
45 Correct 421 ms 52560 KB Output is correct
46 Correct 445 ms 85896 KB Output is correct
47 Correct 433 ms 85584 KB Output is correct
48 Correct 451 ms 85856 KB Output is correct
49 Correct 502 ms 86304 KB Output is correct
50 Correct 479 ms 52820 KB Output is correct
51 Correct 461 ms 85840 KB Output is correct
52 Correct 515 ms 85832 KB Output is correct
53 Correct 513 ms 86172 KB Output is correct
54 Correct 558 ms 86376 KB Output is correct
55 Correct 1 ms 344 KB Output is correct
56 Correct 514 ms 82672 KB Output is correct
57 Correct 509 ms 49532 KB Output is correct
58 Correct 528 ms 82840 KB Output is correct
59 Correct 571 ms 82936 KB Output is correct
60 Correct 499 ms 49636 KB Output is correct
61 Correct 536 ms 83036 KB Output is correct
62 Correct 495 ms 82996 KB Output is correct
63 Correct 479 ms 83024 KB Output is correct
64 Correct 547 ms 83040 KB Output is correct
65 Correct 527 ms 82772 KB Output is correct
66 Correct 495 ms 82772 KB Output is correct
67 Correct 502 ms 83088 KB Output is correct
68 Correct 481 ms 68516 KB Output is correct
69 Correct 523 ms 83104 KB Output is correct
70 Correct 465 ms 49492 KB Output is correct
71 Correct 489 ms 48720 KB Output is correct
72 Correct 493 ms 60252 KB Output is correct
73 Correct 507 ms 82524 KB Output is correct
74 Correct 494 ms 82512 KB Output is correct
75 Correct 538 ms 82768 KB Output is correct
76 Correct 495 ms 83168 KB Output is correct
77 Correct 1 ms 348 KB Output is correct