oj.uz

Submission #865301

# Submission time Handle Problem Language Result Execution time Memory
865301 2023-10-24T07:17:39 Z guagua0407 Bitaro, who Leaps through Time (JOI19_timeleap) C++17
0 / 100
 605 ms 524288 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

struct node{
    ll s1,s2,e1,e2,c1,c2,sz;
};

const int mxn=3e5+5;
vector<vector<node>> segtree(2,vector<node>(mxn*4));
int n,q;
ll L[mxn],R[mxn];
node trash;

node merge(node a,node b){
    if(a.sz==-1) return b;
    if(b.sz==-1) return a;
    node ans;
    ans.sz=a.sz+b.sz;
    ans.s1=a.s1;
    ans.s2=a.s2;
    {
        ans.c1=a.c1;
        if(a.e1>b.s1){
            ans.c1+=b.c1+(a.e1-b.s1);
            ans.e1=b.e1;
        }
        else if(a.e1>=b.s2){
            ll dif=b.c1-b.c2;
            ans.c1+=b.c2+max(0ll,dif-(b.s1-a.e1));
            ll res=a.e1+b.sz;
            if(res>b.e1){
                ans.e1=b.e1;
            }
            else{
                ans.e1=max(res,b.e2);
            }
        }
        else{
            ans.c1+=b.c2;
            ans.e1=b.e2;
        }
    }
    {
        ans.c2=a.c2;
        if(a.e2>b.s1){
            ans.c2+=b.c1+(a.e2-b.s1);
            ans.e2=b.e1;
        }
        else if(a.e2>=b.s2){
            ll dif=b.c1-b.c2;
            ans.c2+=b.c2+max(0ll,dif-(b.s1-a.e2));
            ll res=a.e2+b.sz;
            if(res>b.e1){
                ans.e2=b.e1;
            }
            else{
                ans.e2=max(res,b.e2);
            }
        }
        else{
            ans.c2+=b.c2;
            ans.e2=b.e2;
        }
    }
    return ans;
}

void build(int id,int l=1,int r=n-1,int v=1){
    if(l==r){
        segtree[id][v].s1=R[l]-1;
        segtree[id][v].s2=L[l];
        segtree[id][v].e1=R[l];
        segtree[id][v].e2=L[l]+1;
        segtree[id][v].c1=segtree[id][v].c2=0;
        segtree[id][v].sz=1;
        return;
    }
    int mid=(l+r)/2;
    build(id,l,mid,v*2);
    build(id,mid+1,r,v*2+1);
    segtree[id][v]=merge(segtree[id][v*2],segtree[id][v*2+1]);
}

void update(int id,int pos,int s,int e,int l=1,int r=n-1,int v=1){
    if(l==r){
        segtree[id][v].s1=e-1;
        segtree[id][v].s2=s;
        segtree[id][v].e1=e;
        segtree[id][v].e2=s+1;
        return;
    }
    int mid=(l+r)/2;
    if(pos<=mid) update(id,pos,s,e,l,mid,v*2);
    else update(id,pos,s,e,mid+1,r,v*2+1);
    segtree[id][v]=merge(segtree[id][v*2],segtree[id][v*2+1]);
}

node query(int id,int tl,int tr,int l=1,int r=n-1,int v=1){
    if(r<tl or tr<l){
        return trash;
    }
    if(tl<=l and r<=tr){
        return segtree[id][v];
    }
    int mid=(l+r)/2;
    return merge(query(id,tl,min(mid,tr),l,mid,v*2),query(id,max(mid+1,tl),tr,mid+1,r,v*2+1));
}

signed main() {_
    trash.sz=-1;
    cin>>n>>q;
    for(int i=1;i<n;i++){
        cin>>L[i]>>R[i];
    }
    build(0);
    reverse(L+1,L+n);
    reverse(R+1,R+n);
    build(1);
    reverse(L+1,L+n);
    reverse(R+1,R+n);
    for(int i=0;i<q;i++){
        int t;
        cin>>t;
        if(t==1){
            ll p,s,e;
            cin>>p>>s>>e;
            update(0,p,s,e);
            update(1,n-p,s,e);
        }
        else{
            ll a,b,c,d;
            cin>>a>>b>>c>>d;
            if(a==c){
                cout<<max(0ll,b-d)<<'\n';
                continue;
            }
            node tmp;
            if(a<c){
                tmp=query(0,a,c-1);
            }
            else{
                a=n-a+1;
                c=n-c+1;
                //swap(b,d);
                tmp=query(1,a,c-1);
            }
            /*cout<<tmp.sz<<'\n';
            cout<<tmp.s1<<' '<<tmp.s2<<'\n';
            cout<<tmp.e1<<' '<<tmp.e2<<'\n';
            cout<<tmp.c1<<' '<<tmp.c2<<'\n';*/
            ll ans=0;
            int fin;
            if(b>tmp.s1){
                ans+=tmp.c1+(b-tmp.s1);
                fin=tmp.e1;
            }
            else if(b>=tmp.s2){
                ll dif=tmp.c1-tmp.c2;
                ans+=tmp.c2+max(0ll,dif-(tmp.s1-b));
                ll res=b+tmp.sz;
                if(res>tmp.e1){
                    fin=tmp.e1;
                }
                else{
                    fin=max(res,tmp.e2);
                }
            }
            else{
                ans+=tmp.c2;
                fin=tmp.e2;
            }
            cout<<ans+max(0ll,fin-d)<<'\n';;
        }
    }
    return 0;
}
//maybe its multiset not set

Compilation message

timeleap.cpp: In function 'void setIO(std::string)':
timeleap.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
timeleap.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 197468 KB Output is correct
2 Correct 31 ms 197460 KB Output is correct
3 Correct 31 ms 197448 KB Output is correct
4 Correct 30 ms 197468 KB Output is correct
5 Correct 33 ms 197456 KB Output is correct
6 Correct 30 ms 197460 KB Output is correct
7 Correct 31 ms 197604 KB Output is correct
8 Correct 30 ms 197468 KB Output is correct
9 Correct 31 ms 197468 KB Output is correct
10 Correct 30 ms 197468 KB Output is correct
11 Correct 31 ms 197496 KB Output is correct
12 Correct 32 ms 197452 KB Output is correct
13 Correct 32 ms 197496 KB Output is correct
14 Correct 32 ms 197460 KB Output is correct
15 Correct 33 ms 197568 KB Output is correct
16 Correct 30 ms 197468 KB Output is correct
17 Correct 31 ms 197456 KB Output is correct
18 Correct 32 ms 197468 KB Output is correct
19 Correct 32 ms 197468 KB Output is correct
20 Correct 32 ms 197460 KB Output is correct
21 Correct 32 ms 197460 KB Output is correct
22 Correct 32 ms 197468 KB Output is correct
23 Correct 32 ms 197468 KB Output is correct
24 Correct 31 ms 197568 KB Output is correct
25 Correct 32 ms 197464 KB Output is correct
26 Correct 32 ms 197456 KB Output is correct
27 Correct 32 ms 197460 KB Output is correct
28 Correct 32 ms 197456 KB Output is correct
29 Correct 32 ms 197460 KB Output is correct
30 Correct 31 ms 197464 KB Output is correct
31 Correct 37 ms 197676 KB Output is correct
32 Correct 32 ms 197468 KB Output is correct
33 Correct 32 ms 197456 KB Output is correct
34 Correct 31 ms 197464 KB Output is correct
35 Correct 31 ms 197456 KB Output is correct
36 Correct 31 ms 197460 KB Output is correct
37 Correct 32 ms 197468 KB Output is correct
38 Correct 32 ms 197476 KB Output is correct
39 Correct 31 ms 197464 KB Output is correct
40 Correct 31 ms 197468 KB Output is correct
41 Runtime error 228 ms 524288 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 589 ms 197896 KB Output is correct
2 Correct 543 ms 197600 KB Output is correct
3 Correct 553 ms 197456 KB Output is correct
4 Correct 563 ms 197584 KB Output is correct
5 Correct 552 ms 197464 KB Output is correct
6 Correct 605 ms 197464 KB Output is correct
7 Correct 545 ms 197460 KB Output is correct
8 Correct 595 ms 197456 KB Output is correct
9 Correct 549 ms 197460 KB Output is correct
10 Correct 570 ms 197536 KB Output is correct
11 Correct 570 ms 197468 KB Output is correct
12 Correct 574 ms 197456 KB Output is correct
13 Correct 570 ms 197456 KB Output is correct
14 Runtime error 219 ms 524288 KB Execution killed with signal 9
15 Halted 0 ms 0 KB -

Subtask #3
0 / 66.0

# Verdict Execution time Memory Grader output
1 Correct 30 ms 197468 KB Output is correct
2 Correct 31 ms 197460 KB Output is correct
3 Correct 31 ms 197448 KB Output is correct
4 Correct 30 ms 197468 KB Output is correct
5 Correct 33 ms 197456 KB Output is correct
6 Correct 30 ms 197460 KB Output is correct
7 Correct 31 ms 197604 KB Output is correct
8 Correct 30 ms 197468 KB Output is correct
9 Correct 31 ms 197468 KB Output is correct
10 Correct 30 ms 197468 KB Output is correct
11 Correct 31 ms 197496 KB Output is correct
12 Correct 32 ms 197452 KB Output is correct
13 Correct 32 ms 197496 KB Output is correct
14 Correct 32 ms 197460 KB Output is correct
15 Correct 33 ms 197568 KB Output is correct
16 Correct 30 ms 197468 KB Output is correct
17 Correct 31 ms 197456 KB Output is correct
18 Correct 32 ms 197468 KB Output is correct
19 Correct 32 ms 197468 KB Output is correct
20 Correct 32 ms 197460 KB Output is correct
21 Correct 32 ms 197460 KB Output is correct
22 Correct 32 ms 197468 KB Output is correct
23 Correct 32 ms 197468 KB Output is correct
24 Correct 31 ms 197568 KB Output is correct
25 Correct 32 ms 197464 KB Output is correct
26 Correct 32 ms 197456 KB Output is correct
27 Correct 32 ms 197460 KB Output is correct
28 Correct 32 ms 197456 KB Output is correct
29 Correct 32 ms 197460 KB Output is correct
30 Correct 31 ms 197464 KB Output is correct
31 Correct 37 ms 197676 KB Output is correct
32 Correct 32 ms 197468 KB Output is correct
33 Correct 32 ms 197456 KB Output is correct
34 Correct 31 ms 197464 KB Output is correct
35 Correct 31 ms 197456 KB Output is correct
36 Correct 31 ms 197460 KB Output is correct
37 Correct 32 ms 197468 KB Output is correct
38 Correct 32 ms 197476 KB Output is correct
39 Correct 31 ms 197464 KB Output is correct
40 Correct 31 ms 197468 KB Output is correct
41 Runtime error 228 ms 524288 KB Execution killed with signal 9
42 Halted 0 ms 0 KB -