oj.uz

Submission #839020

# Submission time Handle Problem Language Result Execution time Memory
839020 2023-08-28T13:37:20 Z 8pete8 Progression (NOI20_progression) C++17
0 / 100
 556 ms 48280 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=3*1e5,lg=20,inf=1e9;
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(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){
    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<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<ql||l>qr)return tmp;
    push(pos,l,r);
    if(ql<=l&&r<=qr)return seg[pos];
    int mid=l+(r-l)/2;
    node le=query(pos*2,l,mid,ql,qr);
    node ri=query(pos*2+1,mid+1,r,ql,qr);
    return comb(le,ri);
}
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;
            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){
                sumr=query(1,0,n-1,0,r).sum+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';
        }
    }

}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 38924 KB Output is correct
2 Correct 62 ms 3532 KB Output is correct
3 Correct 62 ms 3516 KB Output is correct
4 Correct 72 ms 3512 KB Output is correct
5 Correct 66 ms 3536 KB Output is correct
6 Correct 62 ms 3532 KB Output is correct
7 Correct 66 ms 3528 KB Output is correct
8 Runtime error 29 ms 34340 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 267 ms 45404 KB Output is correct
2 Correct 79 ms 3004 KB Output is correct
3 Correct 71 ms 3020 KB Output is correct
4 Correct 64 ms 3004 KB Output is correct
5 Correct 78 ms 3148 KB Output is correct
6 Correct 87 ms 3108 KB Output is correct
7 Correct 69 ms 3148 KB Output is correct
8 Runtime error 28 ms 34260 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 556 ms 48280 KB Output is correct
2 Incorrect 152 ms 3652 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 267 ms 45404 KB Output is correct
2 Correct 79 ms 3004 KB Output is correct
3 Correct 71 ms 3020 KB Output is correct
4 Correct 64 ms 3004 KB Output is correct
5 Correct 78 ms 3148 KB Output is correct
6 Correct 87 ms 3108 KB Output is correct
7 Correct 69 ms 3148 KB Output is correct
8 Runtime error 28 ms 34260 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 38924 KB Output is correct
2 Correct 62 ms 3532 KB Output is correct
3 Correct 62 ms 3516 KB Output is correct
4 Correct 72 ms 3512 KB Output is correct
5 Correct 66 ms 3536 KB Output is correct
6 Correct 62 ms 3532 KB Output is correct
7 Correct 66 ms 3528 KB Output is correct
8 Runtime error 29 ms 34340 KB Execution killed with signal 11
9 Halted 0 ms 0 KB -