oj.uz

Submission #839236

# Submission time Handle Problem Language Result Execution time Memory
839236 2023-08-29T10:09:08 Z 8pete8 Progression (NOI20_progression) C++17
57 / 100
 806 ms 78004 KB 
#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<algorithm>
#include<limits.h>
#include<cmath>
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<pii,int>
#define pb push_back
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#define int long long
#define mod 1000000007
const int mxn=4*1e5,lg=20,inf=1e18;
int n,m;
struct node{
    int as=0,ms=1,ls=0,rs=0,lv=0,rv=0,sum=0;
    //all size, max size, left size,right size,left val,right val;
};
void print(node a){
    cout<<a.as<<" "<<a.ms<<" "<<a.ls<<" "<<a.rs<<" "<<a.lv<<" "<<a.rv<<'\n';
}
node seg[4*mxn+10];
int add[4*mxn+10],change[4*mxn+10],v[mxn+10];
int h;//height of tree
node comb(node a,node b){
    node tmp;
    if(a.rv==inf)return b;
    if(b.rv==inf)return a;
    tmp.ms=max(a.ms,b.ms);
    if(a.rv==b.lv)tmp.ms=max(tmp.ms,a.rs+b.ls);
    tmp.lv=a.lv;
    tmp.rv=b.rv;
    if(a.ls==a.as&&b.lv==a.lv)tmp.ls=a.ls+b.ls;
    if(b.rs==b.as&&a.rv==b.rv)tmp.rs=b.rs+a.rs;
    tmp.ls=max(tmp.ls,a.ls);
    tmp.rs=max(tmp.rs,b.rs);
    tmp.as=a.as+b.as;
    tmp.sum=a.sum+b.sum;
    return tmp;
}
void build(int pos,int l,int r){
   // cout<<pos<<" "<<l<<" "<<r<<'\n';
   if(r<l)return;
    if(l==r){
        seg[pos].as=seg[pos].ls=seg[pos].rs=seg[pos].ms=1;
        seg[pos].lv=seg[pos].rv=seg[pos].sum=v[l];
    }
    else{
        int mid=l+(r-l)/2;
        build(pos*2,l,mid);
        build(pos*2+1,mid+1,r);
        seg[pos]=comb(seg[pos<<1],seg[(pos<<1)|1]);
    }
}
void app(int pos){
    if(change[pos]){
        seg[pos].ms=seg[pos].ls=seg[pos].rs=seg[pos].as;
        seg[pos].lv=seg[pos].rv=change[pos];
        seg[pos].sum=seg[pos].as*change[pos];
    }
    if(add[pos]){
        seg[pos].lv+=add[pos];
        seg[pos].rv+=add[pos];
        seg[pos].sum+=(seg[pos].as*add[pos]);
    }
}
void push(int pos,int l,int r){
    if(add[pos]){
        app(pos);
        if(l!=r){
            add[pos*2]+=add[pos];
            add[pos*2+1]+=add[pos];
        }
    }
    if(change[pos]){
        app(pos);
        if(l!=r){
            add[pos*2]=0;
            add[pos*2+1]=0;
            change[pos*2]=change[pos];
            change[pos*2+1]=change[pos];
        }
    }
    add[pos]=0;
    change[pos]=0;
}
void update(int pos,int l,int r,int ql,int qr,int val){
    if(r<l)return;
    push(pos,l,r);
    //cout<<pos<<' '<<l<<" "<<r<<' '<<ql<<" "<<qr<<'\n';
    if(r<ql||l>qr)return;
    if(ql<=l&&r<=qr){
        add[pos]+=val;
        push(pos,l,r);
        return;
    }
    int mid=l+(r-l)/2;
    update(pos*2,l,mid,ql,qr,val);
    update(pos*2+1,mid+1,r,ql,qr,val);
    seg[pos]=comb(seg[pos*2],seg[pos*2+1]);
}
void update2(int pos,int l,int r,int ql,int qr,int val){
    if(r<l)return;
    if(r<ql||l>qr)return;
    //cout<<pos<<" "<<l<<" "<<r<<" "<<ql<<" "<<qr<<" "<<val<<'\n';
    if(ql<=l&&r<=qr){
        change[pos]=val;
        add[pos]=0;
        push(pos,l,r);
        return;
    }
    push(pos,l,r);
    int mid=l+(r-l)/2;
    update2(pos*2,l,mid,ql,qr,val);
    update2(pos*2+1,mid+1,r,ql,qr,val);
    seg[pos]=comb(seg[pos<<1],seg[(pos<<1)|1]);
}
node query(int pos,int l,int r,int ql,int qr){
    node tmp;
    tmp.rv=inf;
    if(r<l)return tmp;
    if(r<ql||l>qr)return tmp;
    push(pos,l,r);
    if(ql<=l&&r<=qr)return seg[pos];
    int mid=l+(r-l)/2;
    if(l<=ql&&qr<=mid)return query(pos*2,l,mid,ql,qr);
    if(ql>=mid+1&&qr<=r)return query(pos*2+1,mid+1,r,ql,qr);
    return comb(query(pos*2,l,mid,ql,qr),query(pos*2+1,mid+1,r,ql,qr));
}
int32_t main(){
    fastio
    int n,m;cin>>n>>m;
    for(int i=0;i<n;i++)cin>>v[i];
    int val=v[0];
    n--;
    for(int i=0;i<n;i++)v[i]=v[i+1]-v[i];
    build(1,0,n-1);
    int diff;
    while(m--){
        int type;cin>>type;
        if(type==1){
            int l,r,x,c;cin>>l>>r>>x>>c;
            l--,r--;
            if(l)update(1,0,n-1,l-1,l-1,x);
            else val+=x;
            if(r<n)update(1,0,n-1,r,r,-((x+((r-l)*c))));
            if(l!=r)update(1,0,n-1,l,r-1,c);
        }
        else if(type==2){
            int l,r,x,c;cin>>l>>r>>x>>c;
            l--,r--;
            int suml,sumr;
            if(r<n){
                if(r)sumr=query(1,0,n-1,0,r-1).sum+val;
                else r=val;
                diff=sumr-(x+(r-l)*c);
                update(1,0,n-1,r,r,diff);
            }
            if(l){
                suml=query(1,0,n-1,0,l-1).sum+val;
                diff=x-suml;
                update(1,0,n-1,l-1,l-1,diff);
            }
            else val=x;
            if(l!=r)update2(1,0,n-1,l,r-1,c);
        }
        else{
            int l,r;cin>>l>>r;
            l--;
            r--;
            cout<<((l==r)?0:query(1,0,n-1,l,r-1).ms)+1<<'\n';
        }
    }
 
}

Compilation message

Progression.cpp: In function 'int32_t main()':
Progression.cpp:167:21: warning: 'sumr' may be used uninitialized in this function [-Wmaybe-uninitialized]
  167 |                 diff=sumr-(x+(r-l)*c);
      |                 ~~~~^~~~~~~~~~~~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 60852 KB Output is correct
2 Correct 63 ms 632 KB Output is correct
3 Correct 67 ms 560 KB Output is correct
4 Correct 63 ms 600 KB Output is correct
5 Correct 64 ms 716 KB Output is correct
6 Correct 63 ms 700 KB Output is correct
7 Correct 63 ms 576 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 127 ms 60752 KB Output is correct
12 Correct 133 ms 60760 KB Output is correct
13 Correct 140 ms 60936 KB Output is correct
14 Correct 136 ms 60968 KB Output is correct
15 Correct 128 ms 60988 KB Output is correct
16 Correct 129 ms 60620 KB Output is correct
17 Correct 128 ms 60684 KB Output is correct
18 Correct 126 ms 60620 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 468 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 267 ms 77484 KB Output is correct
2 Correct 69 ms 908 KB Output is correct
3 Correct 66 ms 848 KB Output is correct
4 Correct 61 ms 900 KB Output is correct
5 Correct 77 ms 936 KB Output is correct
6 Correct 72 ms 952 KB Output is correct
7 Correct 69 ms 968 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 339 ms 77404 KB Output is correct
12 Correct 261 ms 77644 KB Output is correct
13 Correct 337 ms 77312 KB Output is correct
14 Correct 328 ms 77276 KB Output is correct
15 Correct 266 ms 77480 KB Output is correct
16 Correct 308 ms 77844 KB Output is correct
17 Correct 331 ms 77920 KB Output is correct
18 Correct 310 ms 78004 KB Output is correct
19 Correct 261 ms 77140 KB Output is correct
20 Correct 302 ms 77188 KB Output is correct
21 Correct 257 ms 77208 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 641 ms 76804 KB Output is correct
2 Incorrect 134 ms 464 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 267 ms 77484 KB Output is correct
2 Correct 69 ms 908 KB Output is correct
3 Correct 66 ms 848 KB Output is correct
4 Correct 61 ms 900 KB Output is correct
5 Correct 77 ms 936 KB Output is correct
6 Correct 72 ms 952 KB Output is correct
7 Correct 69 ms 968 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 339 ms 77404 KB Output is correct
12 Correct 261 ms 77644 KB Output is correct
13 Correct 337 ms 77312 KB Output is correct
14 Correct 328 ms 77276 KB Output is correct
15 Correct 266 ms 77480 KB Output is correct
16 Correct 308 ms 77844 KB Output is correct
17 Correct 331 ms 77920 KB Output is correct
18 Correct 310 ms 78004 KB Output is correct
19 Correct 261 ms 77140 KB Output is correct
20 Correct 302 ms 77188 KB Output is correct
21 Correct 257 ms 77208 KB Output is correct
22 Correct 758 ms 76920 KB Output is correct
23 Correct 133 ms 588 KB Output is correct
24 Correct 132 ms 576 KB Output is correct
25 Correct 133 ms 692 KB Output is correct
26 Correct 137 ms 672 KB Output is correct
27 Correct 135 ms 604 KB Output is correct
28 Correct 141 ms 608 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 779 ms 76876 KB Output is correct
33 Correct 748 ms 76944 KB Output is correct
34 Correct 784 ms 76972 KB Output is correct
35 Correct 769 ms 76876 KB Output is correct
36 Correct 637 ms 77256 KB Output is correct
37 Correct 656 ms 77216 KB Output is correct
38 Correct 641 ms 77168 KB Output is correct
39 Correct 758 ms 76872 KB Output is correct
40 Correct 806 ms 77012 KB Output is correct
41 Correct 802 ms 77012 KB Output is correct
42 Correct 806 ms 77112 KB Output is correct
43 Correct 729 ms 77108 KB Output is correct
44 Correct 762 ms 76900 KB Output is correct
45 Correct 747 ms 76876 KB Output is correct

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 60852 KB Output is correct
2 Correct 63 ms 632 KB Output is correct
3 Correct 67 ms 560 KB Output is correct
4 Correct 63 ms 600 KB Output is correct
5 Correct 64 ms 716 KB Output is correct
6 Correct 63 ms 700 KB Output is correct
7 Correct 63 ms 576 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 127 ms 60752 KB Output is correct
12 Correct 133 ms 60760 KB Output is correct
13 Correct 140 ms 60936 KB Output is correct
14 Correct 136 ms 60968 KB Output is correct
15 Correct 128 ms 60988 KB Output is correct
16 Correct 129 ms 60620 KB Output is correct
17 Correct 128 ms 60684 KB Output is correct
18 Correct 126 ms 60620 KB Output is correct
19 Incorrect 2 ms 468 KB Output isn't correct
20 Halted 0 ms 0 KB -