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답안 #799721

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
799721 2023-07-31T20:54:06 Z ttamx Progression (NOI20_progression) C++14
100 / 100
 801 ms 85148 KB 
#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll,ll> p2;

const int N=3e5+5;
const int K=1<<20;

int n,q;
ll a[N],b[N];

struct segtree{
    struct node{
        ll sz,ans,all,sum;
        p2 pre,suf;
        node(ll x=0):sz(1),pre(p2(1,x)),suf(p2(1,x)),all(1),ans(1),sum(x){}
        friend node operator+(node a,node b){
            node c;
            bool ok=(a.suf.second==b.pre.second);
            bool oka=(a.suf.first==a.sz);
            bool okb=(b.pre.first==b.sz);
            c.sz=a.sz+b.sz;
            c.sum=a.sum+b.sum;
            if(ok&&oka){
                c.pre=b.pre;
                c.pre.first+=a.sz;
            }else{
                c.pre=a.pre;
            }
            if(ok&&okb){
                c.suf=a.suf;
                c.suf.first+=b.sz;
            }else{
                c.suf=b.suf;
            }
            if(ok&&oka&&okb){
                c.all=a.sz+b.sz;
            }else{
                c.all=0;
            }
            c.ans=max(a.ans,b.ans);
            if(ok){
                c.ans=max(c.ans,a.suf.first+b.pre.first);
            }
            return c;
        }
    }t[K];
    ll lz[K];
    bool islz[K];
    void pushlz(int l,int r,int i){
        if(islz[i]){
            t[i].all=t[i].ans=t[i].sz;
            t[i].sum=t[i].sz*lz[i];
            t[i].pre=t[i].suf=p2(t[i].sz,lz[i]);
            if(l<r){
                lz[i*2]=lz[i*2+1]=lz[i];
                islz[i*2]=islz[i*2+1]=true;
            }
        }else{
            t[i].sum+=t[i].sz*lz[i];
            t[i].pre.second+=lz[i];
            t[i].suf.second+=lz[i];
            if(l<r){
                lz[i*2]+=lz[i];
                lz[i*2+1]+=lz[i];
            }
        }
        lz[i]=0;
        islz[i]=false;
    }
    void build(int l,int r,int i){
        if(l==r)return void(t[i]=b[l]);
        int m=(l+r)/2;
        build(l,m,i*2);
        build(m+1,r,i*2+1);
        t[i]=t[i*2]+t[i*2+1];
    }
    void build(){
        build(1,n+1,1);
    }
    void update(int l,int r,int i,int x,int y,ll v){
        pushlz(l,r,i);
        if(y<l||r<x)return;
        if(x<=l&&r<=y)return lz[i]=v,pushlz(l,r,i),void();
        int m=(l+r)/2;
        update(l,m,i*2,x,y,v);
        update(m+1,r,i*2+1,x,y,v);
        t[i]=t[i*2]+t[i*2+1];
    }
    void update(int x,int y,ll v){
        update(1,n+1,1,x,y,v);
    }
    void update2(int l,int r,int i,int x,int y,ll v){
        pushlz(l,r,i);
        if(y<l||r<x)return;
        if(x<=l&&r<=y)return islz[i]=true,lz[i]=v,pushlz(l,r,i),void();
        int m=(l+r)/2;
        update2(l,m,i*2,x,y,v);
        update2(m+1,r,i*2+1,x,y,v);
        t[i]=t[i*2]+t[i*2+1];
    }
    void update2(int x,int y,ll v){
        update2(1,n+1,1,x,y,v);
    }
    node query(int l,int r,int i,int x,int y){
        pushlz(l,r,i);
        if(x<=l&&r<=y)return t[i];
        int m=(l+r)/2;
        if(x<=m&&m<y)return query(l,m,i*2,x,y)+query(m+1,r,i*2+1,x,y);
        if(x<=m)return query(l,m,i*2,x,y);
        else return query(m+1,r,i*2+1,x,y);
    }
    node query(int x,int y){
        return query(1,n+1,1,x,y);
    }
}s;

int main(){
    cin.tie(nullptr)->sync_with_stdio(false);
    cin >> n >> q;
    for(int i=1;i<=n;i++)cin >> a[i];
    for(int i=1;i<=n;i++)b[i]=a[i]-a[i-1];
    s.build();
    while(q--){
        int t;
        cin >> t;
        if(t==1){
            ll l,r,a,b;
            cin >> l >> r >> a >> b;
            s.update(l,l,a);
            s.update(l+1,r,b);
            s.update(r+1,r+1,-a-(r-l)*b);
        }else if(t==2){
            ll l,r,a,b;
            cin >> l >> r >> a >> b;
            ll le=(l==1?0:s.query(1,l-1).sum);
            ll ri=s.query(1,r+1).sum;
            s.update2(l,l,a-le);
            s.update2(r+1,r+1,ri-a-(r-l)*b);
            s.update2(l+1,r,b);
        }else{
            ll l,r;
            cin >> l >> r;
            cout << (l==r?0:s.query(l+1,r).ans)+1 << "\n";
        }
    }
}

Compilation message

Progression.cpp: In constructor 'segtree::node::node(ll)':
Progression.cpp:17:16: warning: 'segtree::node::suf' will be initialized after [-Wreorder]
   17 |         p2 pre,suf;
      |                ^~~
Progression.cpp:16:19: warning:   'll segtree::node::all' [-Wreorder]
   16 |         ll sz,ans,all,sum;
      |                   ^~~
Progression.cpp:18:9: warning:   when initialized here [-Wreorder]
   18 |         node(ll x=0):sz(1),pre(p2(1,x)),suf(p2(1,x)),all(1),ans(1),sum(x){}
      |         ^~~~
Progression.cpp:16:19: warning: 'segtree::node::all' will be initialized after [-Wreorder]
   16 |         ll sz,ans,all,sum;
      |                   ^~~
Progression.cpp:16:15: warning:   'll segtree::node::ans' [-Wreorder]
   16 |         ll sz,ans,all,sum;
      |               ^~~
Progression.cpp:18:9: warning:   when initialized here [-Wreorder]
   18 |         node(ll x=0):sz(1),pre(p2(1,x)),suf(p2(1,x)),all(1),ans(1),sum(x){}
      |         ^~~~

Subtask #1
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 540 ms 75004 KB Output is correct
2 Correct 166 ms 69168 KB Output is correct
3 Correct 160 ms 69208 KB Output is correct
4 Correct 160 ms 69212 KB Output is correct
5 Correct 166 ms 69224 KB Output is correct
6 Correct 165 ms 69196 KB Output is correct
7 Correct 163 ms 69128 KB Output is correct
8 Correct 26 ms 66000 KB Output is correct
9 Correct 25 ms 66000 KB Output is correct
10 Correct 28 ms 65936 KB Output is correct
11 Correct 559 ms 74896 KB Output is correct
12 Correct 540 ms 74864 KB Output is correct
13 Correct 541 ms 75212 KB Output is correct
14 Correct 560 ms 75112 KB Output is correct
15 Correct 554 ms 75216 KB Output is correct
16 Correct 557 ms 74900 KB Output is correct
17 Correct 539 ms 74808 KB Output is correct
18 Correct 557 ms 74900 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 66008 KB Output is correct
2 Correct 31 ms 65936 KB Output is correct
3 Correct 29 ms 65976 KB Output is correct
4 Correct 29 ms 65960 KB Output is correct
5 Correct 28 ms 65984 KB Output is correct
6 Correct 29 ms 65992 KB Output is correct
7 Correct 25 ms 66000 KB Output is correct
8 Correct 26 ms 65964 KB Output is correct
9 Correct 26 ms 65984 KB Output is correct
10 Correct 25 ms 66032 KB Output is correct
11 Correct 27 ms 65952 KB Output is correct
12 Correct 27 ms 66052 KB Output is correct
13 Correct 29 ms 65984 KB Output is correct
14 Correct 26 ms 66004 KB Output is correct
15 Correct 26 ms 66000 KB Output is correct
16 Correct 26 ms 65980 KB Output is correct
17 Correct 31 ms 66028 KB Output is correct
18 Correct 27 ms 66012 KB Output is correct
19 Correct 27 ms 66004 KB Output is correct
20 Correct 26 ms 65988 KB Output is correct
21 Correct 27 ms 65996 KB Output is correct

Subtask #3
35.0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 284 ms 84640 KB Output is correct
2 Correct 105 ms 68684 KB Output is correct
3 Correct 91 ms 68684 KB Output is correct
4 Correct 92 ms 68680 KB Output is correct
5 Correct 113 ms 68912 KB Output is correct
6 Correct 100 ms 68788 KB Output is correct
7 Correct 99 ms 68816 KB Output is correct
8 Correct 26 ms 65996 KB Output is correct
9 Correct 26 ms 65992 KB Output is correct
10 Correct 26 ms 65928 KB Output is correct
11 Correct 298 ms 84412 KB Output is correct
12 Correct 287 ms 84776 KB Output is correct
13 Correct 318 ms 84532 KB Output is correct
14 Correct 303 ms 84304 KB Output is correct
15 Correct 293 ms 84564 KB Output is correct
16 Correct 303 ms 84852 KB Output is correct
17 Correct 322 ms 84980 KB Output is correct
18 Correct 325 ms 85000 KB Output is correct
19 Correct 274 ms 84156 KB Output is correct
20 Correct 283 ms 84076 KB Output is correct
21 Correct 276 ms 84252 KB Output is correct

Subtask #4
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 611 ms 83712 KB Output is correct
2 Correct 181 ms 69324 KB Output is correct
3 Correct 163 ms 69228 KB Output is correct
4 Correct 155 ms 69276 KB Output is correct
5 Correct 160 ms 69324 KB Output is correct
6 Correct 172 ms 69336 KB Output is correct
7 Correct 157 ms 69312 KB Output is correct
8 Correct 29 ms 65984 KB Output is correct
9 Correct 37 ms 65932 KB Output is correct
10 Correct 29 ms 65948 KB Output is correct
11 Correct 628 ms 85148 KB Output is correct
12 Correct 607 ms 85076 KB Output is correct
13 Correct 589 ms 84980 KB Output is correct
14 Correct 585 ms 84824 KB Output is correct
15 Correct 641 ms 84920 KB Output is correct
16 Correct 619 ms 84788 KB Output is correct
17 Correct 620 ms 84812 KB Output is correct
18 Correct 607 ms 84680 KB Output is correct
19 Correct 609 ms 84476 KB Output is correct
20 Correct 631 ms 84536 KB Output is correct
21 Correct 624 ms 84240 KB Output is correct

Subtask #5
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 284 ms 84640 KB Output is correct
2 Correct 105 ms 68684 KB Output is correct
3 Correct 91 ms 68684 KB Output is correct
4 Correct 92 ms 68680 KB Output is correct
5 Correct 113 ms 68912 KB Output is correct
6 Correct 100 ms 68788 KB Output is correct
7 Correct 99 ms 68816 KB Output is correct
8 Correct 26 ms 65996 KB Output is correct
9 Correct 26 ms 65992 KB Output is correct
10 Correct 26 ms 65928 KB Output is correct
11 Correct 298 ms 84412 KB Output is correct
12 Correct 287 ms 84776 KB Output is correct
13 Correct 318 ms 84532 KB Output is correct
14 Correct 303 ms 84304 KB Output is correct
15 Correct 293 ms 84564 KB Output is correct
16 Correct 303 ms 84852 KB Output is correct
17 Correct 322 ms 84980 KB Output is correct
18 Correct 325 ms 85000 KB Output is correct
19 Correct 274 ms 84156 KB Output is correct
20 Correct 283 ms 84076 KB Output is correct
21 Correct 276 ms 84252 KB Output is correct
22 Correct 628 ms 83968 KB Output is correct
23 Correct 145 ms 69240 KB Output is correct
24 Correct 140 ms 69172 KB Output is correct
25 Correct 137 ms 69224 KB Output is correct
26 Correct 149 ms 69236 KB Output is correct
27 Correct 148 ms 69256 KB Output is correct
28 Correct 145 ms 69220 KB Output is correct
29 Correct 33 ms 65956 KB Output is correct
30 Correct 31 ms 65984 KB Output is correct
31 Correct 29 ms 65984 KB Output is correct
32 Correct 608 ms 84044 KB Output is correct
33 Correct 614 ms 83836 KB Output is correct
34 Correct 665 ms 83904 KB Output is correct
35 Correct 644 ms 83880 KB Output is correct
36 Correct 521 ms 84036 KB Output is correct
37 Correct 492 ms 84012 KB Output is correct
38 Correct 511 ms 83904 KB Output is correct
39 Correct 604 ms 83816 KB Output is correct
40 Correct 640 ms 84192 KB Output is correct
41 Correct 623 ms 83636 KB Output is correct
42 Correct 650 ms 84444 KB Output is correct
43 Correct 620 ms 85092 KB Output is correct
44 Correct 617 ms 85052 KB Output is correct
45 Correct 605 ms 85108 KB Output is correct

Subtask #6
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 540 ms 75004 KB Output is correct
2 Correct 166 ms 69168 KB Output is correct
3 Correct 160 ms 69208 KB Output is correct
4 Correct 160 ms 69212 KB Output is correct
5 Correct 166 ms 69224 KB Output is correct
6 Correct 165 ms 69196 KB Output is correct
7 Correct 163 ms 69128 KB Output is correct
8 Correct 26 ms 66000 KB Output is correct
9 Correct 25 ms 66000 KB Output is correct
10 Correct 28 ms 65936 KB Output is correct
11 Correct 559 ms 74896 KB Output is correct
12 Correct 540 ms 74864 KB Output is correct
13 Correct 541 ms 75212 KB Output is correct
14 Correct 560 ms 75112 KB Output is correct
15 Correct 554 ms 75216 KB Output is correct
16 Correct 557 ms 74900 KB Output is correct
17 Correct 539 ms 74808 KB Output is correct
18 Correct 557 ms 74900 KB Output is correct
19 Correct 28 ms 66008 KB Output is correct
20 Correct 31 ms 65936 KB Output is correct
21 Correct 29 ms 65976 KB Output is correct
22 Correct 29 ms 65960 KB Output is correct
23 Correct 28 ms 65984 KB Output is correct
24 Correct 29 ms 65992 KB Output is correct
25 Correct 25 ms 66000 KB Output is correct
26 Correct 26 ms 65964 KB Output is correct
27 Correct 26 ms 65984 KB Output is correct
28 Correct 25 ms 66032 KB Output is correct
29 Correct 27 ms 65952 KB Output is correct
30 Correct 27 ms 66052 KB Output is correct
31 Correct 29 ms 65984 KB Output is correct
32 Correct 26 ms 66004 KB Output is correct
33 Correct 26 ms 66000 KB Output is correct
34 Correct 26 ms 65980 KB Output is correct
35 Correct 31 ms 66028 KB Output is correct
36 Correct 27 ms 66012 KB Output is correct
37 Correct 27 ms 66004 KB Output is correct
38 Correct 26 ms 65988 KB Output is correct
39 Correct 27 ms 65996 KB Output is correct
40 Correct 284 ms 84640 KB Output is correct
41 Correct 105 ms 68684 KB Output is correct
42 Correct 91 ms 68684 KB Output is correct
43 Correct 92 ms 68680 KB Output is correct
44 Correct 113 ms 68912 KB Output is correct
45 Correct 100 ms 68788 KB Output is correct
46 Correct 99 ms 68816 KB Output is correct
47 Correct 26 ms 65996 KB Output is correct
48 Correct 26 ms 65992 KB Output is correct
49 Correct 26 ms 65928 KB Output is correct
50 Correct 298 ms 84412 KB Output is correct
51 Correct 287 ms 84776 KB Output is correct
52 Correct 318 ms 84532 KB Output is correct
53 Correct 303 ms 84304 KB Output is correct
54 Correct 293 ms 84564 KB Output is correct
55 Correct 303 ms 84852 KB Output is correct
56 Correct 322 ms 84980 KB Output is correct
57 Correct 325 ms 85000 KB Output is correct
58 Correct 274 ms 84156 KB Output is correct
59 Correct 283 ms 84076 KB Output is correct
60 Correct 276 ms 84252 KB Output is correct
61 Correct 611 ms 83712 KB Output is correct
62 Correct 181 ms 69324 KB Output is correct
63 Correct 163 ms 69228 KB Output is correct
64 Correct 155 ms 69276 KB Output is correct
65 Correct 160 ms 69324 KB Output is correct
66 Correct 172 ms 69336 KB Output is correct
67 Correct 157 ms 69312 KB Output is correct
68 Correct 29 ms 65984 KB Output is correct
69 Correct 37 ms 65932 KB Output is correct
70 Correct 29 ms 65948 KB Output is correct
71 Correct 628 ms 85148 KB Output is correct
72 Correct 607 ms 85076 KB Output is correct
73 Correct 589 ms 84980 KB Output is correct
74 Correct 585 ms 84824 KB Output is correct
75 Correct 641 ms 84920 KB Output is correct
76 Correct 619 ms 84788 KB Output is correct
77 Correct 620 ms 84812 KB Output is correct
78 Correct 607 ms 84680 KB Output is correct
79 Correct 609 ms 84476 KB Output is correct
80 Correct 631 ms 84536 KB Output is correct
81 Correct 624 ms 84240 KB Output is correct
82 Correct 628 ms 83968 KB Output is correct
83 Correct 145 ms 69240 KB Output is correct
84 Correct 140 ms 69172 KB Output is correct
85 Correct 137 ms 69224 KB Output is correct
86 Correct 149 ms 69236 KB Output is correct
87 Correct 148 ms 69256 KB Output is correct
88 Correct 145 ms 69220 KB Output is correct
89 Correct 33 ms 65956 KB Output is correct
90 Correct 31 ms 65984 KB Output is correct
91 Correct 29 ms 65984 KB Output is correct
92 Correct 608 ms 84044 KB Output is correct
93 Correct 614 ms 83836 KB Output is correct
94 Correct 665 ms 83904 KB Output is correct
95 Correct 644 ms 83880 KB Output is correct
96 Correct 521 ms 84036 KB Output is correct
97 Correct 492 ms 84012 KB Output is correct
98 Correct 511 ms 83904 KB Output is correct
99 Correct 604 ms 83816 KB Output is correct
100 Correct 640 ms 84192 KB Output is correct
101 Correct 623 ms 83636 KB Output is correct
102 Correct 650 ms 84444 KB Output is correct
103 Correct 620 ms 85092 KB Output is correct
104 Correct 617 ms 85052 KB Output is correct
105 Correct 605 ms 85108 KB Output is correct
106 Correct 795 ms 83120 KB Output is correct
107 Correct 190 ms 68812 KB Output is correct
108 Correct 190 ms 68808 KB Output is correct
109 Correct 190 ms 68852 KB Output is correct
110 Correct 30 ms 65888 KB Output is correct
111 Correct 29 ms 65988 KB Output is correct
112 Correct 29 ms 65988 KB Output is correct
113 Correct 658 ms 83100 KB Output is correct
114 Correct 616 ms 83144 KB Output is correct
115 Correct 640 ms 83036 KB Output is correct
116 Correct 589 ms 82764 KB Output is correct
117 Correct 801 ms 83004 KB Output is correct
118 Correct 597 ms 82616 KB Output is correct
119 Correct 585 ms 82800 KB Output is correct
120 Correct 320 ms 83688 KB Output is correct
121 Correct 314 ms 83788 KB Output is correct
122 Correct 303 ms 83788 KB Output is correct
123 Correct 269 ms 82860 KB Output is correct
124 Correct 264 ms 82880 KB Output is correct
125 Correct 291 ms 82784 KB Output is correct
126 Correct 758 ms 82776 KB Output is correct
127 Correct 794 ms 82548 KB Output is correct
128 Correct 787 ms 82624 KB Output is correct
129 Correct 770 ms 82460 KB Output is correct
130 Correct 584 ms 83328 KB Output is correct
131 Correct 551 ms 83236 KB Output is correct
132 Correct 525 ms 83312 KB Output is correct
133 Correct 801 ms 82540 KB Output is correct
134 Correct 798 ms 82528 KB Output is correct
135 Correct 787 ms 82584 KB Output is correct
136 Correct 190 ms 68248 KB Output is correct
137 Correct 191 ms 68164 KB Output is correct
138 Correct 189 ms 68172 KB Output is correct