oj.uz

Submission #901398

# Submission time Handle Problem Language Result Execution time Memory
901398 2024-01-09T11:37:46 Z 12345678 Progression (NOI20_progression) C++17
48 / 100
 709 ms 134316 KB 
#include <bits/stdc++.h>

using namespace std;

const int nx=3e5+5;
#define ll long long

ll n, q, v[nx], t, l, r, ss, c;

struct gap
{
    ll type, g;
    gap(ll type=0, ll g=0): type(type), g(g){}
    friend bool operator==(const gap &lhs, const gap &rhs) {return lhs.type||rhs.type||lhs.g==rhs.g;}
    friend bool operator!=(const gap &lhs, const gap &rhs) {return !(lhs==rhs);}
};
gap opposite(gap o) { return gap(o.type, -o.g);}

struct segtree
{
    struct node
    {
        gap gapl, gapr;
        ll type, mx, mxl, mxr, vl, vr, sz, lzs, lzc;
        node(ll x=0, ll type=0): type(type), mx(1), mxl(1), mxr(1), vl(x), vr(x), gapl(gap(1)), gapr(gap(1)), sz(1), lzs(0), lzc(0) {}
        friend node operator+(const node &lhs, const node &rhs)
        {
            if (lhs.type) return rhs;
            if (rhs.type) return lhs;
            node res=node();
            gap gapl=gap(0, rhs.vl-lhs.vr), gapr=gap(0, lhs.vr-rhs.vl);
            res.vl=lhs.vl;
            res.vr=rhs.vr;
            res.sz=lhs.sz+rhs.sz;
            res.gapl=lhs.gapl.type?gapl:lhs.gapl;
            res.gapr=rhs.gapr.type?gapr:rhs.gapr;
            if (lhs.mxl!=lhs.sz||lhs.gapl!=gapl) res.mxl=lhs.mxl;
            else res.mxl=(gapl==rhs.gapl)?lhs.mxl+rhs.mxl:lhs.mxl+1;
            if (rhs.mxr!=rhs.sz||rhs.gapr!=gapr) res.mxr=rhs.mxr;
            else res.mxr=(gapr==lhs.gapr)?lhs.mxr+rhs.mxr:rhs.mxr+1;
            res.mx=max(lhs.mx, rhs.mx);
            if (opposite(lhs.gapr)==gapl) res.mx=max(res.mx, lhs.mxr+1);
            if (rhs.gapl==gapl) res.mx=max(res.mx, rhs.mxl+1);
            if (opposite(lhs.gapr)==gapl&&gapl==rhs.gapl) res.mx=max(res.mx, lhs.mxr+rhs.mxl);
            return res;
        }
        void push()
        {
            vl+=lzs;
            vr+=lzs+lzc*(sz-1);
            gapl.g+=lzc;
            gapr.g-=lzc;
        }
    } d[4*nx];
    void pushlz(int l, int r, int i)
    {
        d[i].push();
        if (l==r) return d[i].lzs=d[i].lzc=0, void();
        d[2*i].lzs+=d[i].lzs;
        d[2*i].lzc+=d[i].lzc;
        d[2*i+1].lzs+=d[i].lzs+d[2*i].sz*d[i].lzc;
        d[2*i+1].lzc+=d[i].lzc;
        d[i].lzs=d[i].lzc=0;
    }
    void build(int l, int r, int i)
    {
        if (l==r) return void(d[i]=node(v[l], 0));
        int md=(l+r)/2;
        build(l, md, 2*i);
        build(md+1, r, 2*i+1);
        d[i]=d[2*i]+d[2*i+1];
    }
    void update1(int l, int r, int i, int ql, int qr, ll s, ll c)
    {
        pushlz(l, r, i);
        if (qr<l||r<ql) return;
        if (ql<=l&&r<=qr) return d[i].lzs=s, d[i].lzc=c, pushlz(l, r, i), void();
        int md=(l+r)/2;
        update1(l, md, 2*i, ql, qr, s, c);
        update1(md+1, r, 2*i+1, ql, qr, s+(md-l+1)*c, c);
        d[i]=d[2*i]+d[2*i+1];
    }
    void show(int l, int r, int i)
    {
        pushlz(l, r, i);
        cout<<"node "<<l<<' '<<r<<'\n';
        cout<<"max "<<d[i].mx<<' '<<d[i].mxl<<' '<<d[i].mxr<<'\n';
        cout<<"value "<<d[i].vl<<' '<<d[i].vr<<'\n';
        cout<<"gapl "<<d[i].gapl.type<<' '<<d[i].gapl.g<<'\n';
        cout<<"gapr "<<d[i].gapr.type<<' '<<d[i].gapr.g<<'\n';
        cout<<"sz "<<d[i].sz<<'\n';
        cout<<"lz "<<d[i].lzs<<' '<<d[i].lzc<<'\n';
        cout<<'\n';
        if (l==r) return;
        int md=(l+r)/2;
        show(l, md, 2*i);
        show(md+1, r, 2*i+1);
    }
    void show2(int l, int r, int i)
    {
        pushlz(l, r, i);
        if (l==r) return void(cout<<d[i].vl<<' ');
        int md=(l+r)/2;
        show2(l, md, 2*i);
        show2(md+1, r, 2*i+1);
    }
    node query(int l, int r, int i, int ql, int qr)
    {
        pushlz(l, r, i);
        if (qr<l||r<ql) return node(0, 1);
        if (ql<=l&&r<=qr) return d[i];
        int md=(l+r)/2;
        return query(l, md, 2*i, ql, qr)+query(md+1, r, 2*i+1, ql, qr);
    }
} s;

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>q;
    for (int i=1; i<=n; i++) cin>>v[i];
    s.build(1, n, 1);
    //s.show(1, n, 1);
    while (q--)
    {
        cin>>t;
        if (t==1) cin>>l>>r>>ss>>c, s.update1(1, n, 1, l, r, ss-c*(l-1), c); //s.show2(1, n, 1), cout<<'\n';
        if (t==2) continue;
        if (t==3) cin>>l>>r, cout<<s.query(1, n, 1, l, r).mx<<'\n';
    }
}

/*
0 0 0 0 1 2 3 4 5 5

10 4
1 2 3 4 1 2 3 4 5 5
3 1 10
1 1 4 -1 -1
3 1 10
3 9 10

5 10
2 4 6 4 2
3 1 1
3 1 2
3 1 3
3 1 4
3 1 5
3 2 2
3 2 3
3 2 4
3 2 5
3 3 3

5 5
1 2 5 3 4
1 1 2 3 -3    4 2 
1 1 5 1 1
1 5 5 10 2
1 3 5 4 -3
1 1 1 1 1

5 1
1 2 5 3 4
1 1 2 3 -3
*/

Compilation message

Progression.cpp: In constructor 'segtree::node::node(long long int, long long int)':
Progression.cpp:24:36: warning: 'segtree::node::vr' will be initialized after [-Wreorder]
   24 |         ll type, mx, mxl, mxr, vl, vr, sz, lzs, lzc;
      |                                    ^~
Progression.cpp:23:13: warning:   'gap segtree::node::gapl' [-Wreorder]
   23 |         gap gapl, gapr;
      |             ^~~~
Progression.cpp:25:9: warning:   when initialized here [-Wreorder]
   25 |         node(ll x=0, ll type=0): type(type), mx(1), mxl(1), mxr(1), vl(x), vr(x), gapl(gap(1)), gapr(gap(1)), sz(1), lzs(0), lzc(0) {}
      |         ^~~~

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 136 ms 125264 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 18 ms 123736 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 342 ms 125828 KB Output is correct
2 Correct 107 ms 124116 KB Output is correct
3 Correct 107 ms 124308 KB Output is correct
4 Correct 106 ms 124260 KB Output is correct
5 Correct 117 ms 124332 KB Output is correct
6 Correct 116 ms 124424 KB Output is correct
7 Correct 108 ms 124244 KB Output is correct
8 Correct 17 ms 123736 KB Output is correct
9 Correct 18 ms 124148 KB Output is correct
10 Correct 19 ms 123740 KB Output is correct
11 Correct 447 ms 125804 KB Output is correct
12 Correct 401 ms 125780 KB Output is correct
13 Correct 415 ms 125664 KB Output is correct
14 Correct 402 ms 125828 KB Output is correct
15 Correct 339 ms 125764 KB Output is correct
16 Correct 476 ms 126052 KB Output is correct
17 Correct 400 ms 126084 KB Output is correct
18 Correct 413 ms 126236 KB Output is correct
19 Correct 380 ms 125428 KB Output is correct
20 Correct 359 ms 125524 KB Output is correct
21 Correct 371 ms 125424 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 219 ms 124944 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 342 ms 125828 KB Output is correct
2 Correct 107 ms 124116 KB Output is correct
3 Correct 107 ms 124308 KB Output is correct
4 Correct 106 ms 124260 KB Output is correct
5 Correct 117 ms 124332 KB Output is correct
6 Correct 116 ms 124424 KB Output is correct
7 Correct 108 ms 124244 KB Output is correct
8 Correct 17 ms 123736 KB Output is correct
9 Correct 18 ms 124148 KB Output is correct
10 Correct 19 ms 123740 KB Output is correct
11 Correct 447 ms 125804 KB Output is correct
12 Correct 401 ms 125780 KB Output is correct
13 Correct 415 ms 125664 KB Output is correct
14 Correct 402 ms 125828 KB Output is correct
15 Correct 339 ms 125764 KB Output is correct
16 Correct 476 ms 126052 KB Output is correct
17 Correct 400 ms 126084 KB Output is correct
18 Correct 413 ms 126236 KB Output is correct
19 Correct 380 ms 125428 KB Output is correct
20 Correct 359 ms 125524 KB Output is correct
21 Correct 371 ms 125424 KB Output is correct
22 Correct 657 ms 125328 KB Output is correct
23 Correct 132 ms 126848 KB Output is correct
24 Correct 130 ms 126920 KB Output is correct
25 Correct 132 ms 126796 KB Output is correct
26 Correct 132 ms 126804 KB Output is correct
27 Correct 132 ms 126800 KB Output is correct
28 Correct 136 ms 126792 KB Output is correct
29 Correct 18 ms 123736 KB Output is correct
30 Correct 18 ms 123736 KB Output is correct
31 Correct 20 ms 123524 KB Output is correct
32 Correct 664 ms 131464 KB Output is correct
33 Correct 643 ms 133956 KB Output is correct
34 Correct 701 ms 131236 KB Output is correct
35 Correct 654 ms 131296 KB Output is correct
36 Correct 697 ms 131332 KB Output is correct
37 Correct 612 ms 131392 KB Output is correct
38 Correct 613 ms 131220 KB Output is correct
39 Correct 708 ms 134160 KB Output is correct
40 Correct 672 ms 134316 KB Output is correct
41 Correct 686 ms 134312 KB Output is correct
42 Correct 689 ms 134304 KB Output is correct
43 Correct 665 ms 133980 KB Output is correct
44 Correct 666 ms 134204 KB Output is correct
45 Correct 709 ms 134084 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 136 ms 125264 KB Output isn't correct
2 Halted 0 ms 0 KB -