oj.uz

Submission #968222

# Submission time Handle Problem Language Result Execution time Memory
968222 2024-04-23T08:34:03 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1675 ms 91744 KB 
#pragma GCC optimize("Ofast","O3")
#pragma GCC target("avx","avx2")
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
//#define int long long 
#define ll long long 
#define LCBorz ios_base::sync_with_stdio(false);cin.tie(0);
const int N=1000005;
const int mod=1e6+3;
const int INF=2e9;
int n;
struct segtree{
    int v[N<<2];
    void pull(int id){
        v[id]=min(v[id<<1],v[id<<1|1]);
    }
    void add(int id,int l,int r,int p,int x){
        if(r-l==1){
            v[id]=x;
            return;
        }
        int m=(l+r)>>1;
        if(p<m)add(id<<1,l,m,p,x);
        else add(id<<1|1,m,r,p,x);
        pull(id);
    }
    int ask(int id,int l,int r,int a,int b){
        if(a<=l&&b>=r)return v[id];
        int m=(l+r)>>1;
        if(b<=m)return ask(id<<1,l,m,a,b);
        if(a>=m)return ask(id<<1|1,m,r,a,b);
        return min(ask(id<<1,l,m,a,b),ask(id<<1|1,m,r,a,b));
    }
    void add(int a,int b){
        add(1,1,n+1,a,b);
    }
    int ask(int a,int b){
        return ask(1,1,n+1,a,b);
    }
}st;
int32_t main(){
    LCBorz;
    cin>>n;
    vector<int> v(n+2),pre(n+2),suf(n+2);
    for(int i=1;i<=n;i++){
        cin>>v[i];
    }
    for(int i=1;i<=n;i++){
        pre[i]=max(pre[i-1],v[i]);
    }
    for(int i=n;i>=1;i--){
        suf[i]=max(suf[i+1],v[i]);
    }
    for(int i=1;i<=n;i++){
        st.add(1,1,n+1,i,v[i]);
    }
    ll ans=0;
    vector<pair<int,int>> leave,join;
    vector<int> tim;
    for(int i=1;i<=n;i++){
        join.push_back({v[i],i});
        leave.push_back({min(pre[i],suf[i]),i});
        tim.push_back(v[i]);
        tim.push_back(min(pre[i],suf[i]));
    }
    sort(all(tim));
    tim.resize(unique(all(tim))-tim.begin());
    sort(all(join),greater<>());
    sort(all(leave),greater<>());
    set<int> t;
    for(int i=0;i<(int)tim.size()-1;i++){
        ll val=tim[i],val1=tim[i+1];
        while(join.size()&&join.back().first<=val){
            auto [a,b]=join.back();
            join.pop_back();
            st.add(b,INF);
            t.insert(b);
        }
        while(leave.size()&&leave.back().first<=val){
            auto [a,b]=leave.back();
            leave.pop_back();
            t.erase(b);
        }
        int m=t.size();
        if(m==0){
            continue;
        }
        auto cal=[&]()->ll {
            return 1ll*(val+val1-1)*(val1-val)/2%mod;
        };
        if(m==1){
            int p=*t.begin();
            ans+=cal()+1ll*(val1-val)*(st.ask(1,p)+st.ask(p+1,n+1));
            ans%=mod;
            continue;
        }
        int p1=*t.begin();
        int p2=*(--t.end());
        ll tmp=st.ask(1,p1)+st.ask(p1+1,n+1)+st.ask(p2+1,n+1);
        ll tmp1=st.ask(1,p2)+st.ask(p2+1,n+1)+st.ask(1,p1);
        ans+=1ll*(val1-val)*(min(tmp,tmp1)+1)+cal()*3;
        ans+=1ll*(m-2)*(3*cal()+2*(val1-val));
        ans%=mod;
    }
    cout<<ans<<endl;
    
    return 0;
}

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 804 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 816 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 784 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 804 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 816 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 784 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 5 ms 860 KB Output is correct
36 Correct 4 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 856 KB Output is correct
48 Correct 4 ms 856 KB Output is correct

Subtask #4
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 804 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 816 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 784 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 5 ms 860 KB Output is correct
36 Correct 4 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 856 KB Output is correct
48 Correct 4 ms 856 KB Output is correct
49 Incorrect 4 ms 856 KB Output isn't correct
50 Halted 0 ms 0 KB -

Subtask #5
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 804 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 816 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 784 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1087 ms 90496 KB Output is correct
36 Correct 1002 ms 90664 KB Output is correct
37 Correct 1064 ms 90668 KB Output is correct
38 Correct 1047 ms 90556 KB Output is correct
39 Correct 940 ms 90552 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 582 ms 90788 KB Output is correct
43 Correct 582 ms 90788 KB Output is correct
44 Correct 595 ms 91016 KB Output is correct
45 Correct 472 ms 91180 KB Output is correct
46 Correct 439 ms 90500 KB Output is correct
47 Correct 458 ms 90444 KB Output is correct
48 Correct 623 ms 90592 KB Output is correct
49 Correct 668 ms 90340 KB Output is correct
50 Correct 619 ms 90496 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 804 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 816 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 784 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 5 ms 860 KB Output is correct
36 Correct 4 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 856 KB Output is correct
48 Correct 4 ms 856 KB Output is correct
49 Correct 1087 ms 90496 KB Output is correct
50 Correct 1002 ms 90664 KB Output is correct
51 Correct 1064 ms 90668 KB Output is correct
52 Correct 1047 ms 90556 KB Output is correct
53 Correct 940 ms 90552 KB Output is correct
54 Correct 0 ms 348 KB Output is correct
55 Correct 0 ms 348 KB Output is correct
56 Correct 582 ms 90788 KB Output is correct
57 Correct 582 ms 90788 KB Output is correct
58 Correct 595 ms 91016 KB Output is correct
59 Correct 472 ms 91180 KB Output is correct
60 Correct 439 ms 90500 KB Output is correct
61 Correct 458 ms 90444 KB Output is correct
62 Correct 623 ms 90592 KB Output is correct
63 Correct 668 ms 90340 KB Output is correct
64 Correct 619 ms 90496 KB Output is correct
65 Correct 1675 ms 90960 KB Output is correct
66 Correct 1572 ms 91044 KB Output is correct
67 Correct 1644 ms 90916 KB Output is correct
68 Correct 1674 ms 90860 KB Output is correct
69 Correct 1659 ms 90940 KB Output is correct
70 Correct 627 ms 91744 KB Output is correct
71 Correct 575 ms 91648 KB Output is correct
72 Correct 567 ms 90952 KB Output is correct
73 Correct 809 ms 91100 KB Output is correct
74 Correct 792 ms 91012 KB Output is correct
75 Correct 797 ms 91028 KB Output is correct
76 Correct 971 ms 90792 KB Output is correct
77 Correct 971 ms 90788 KB Output is correct
78 Correct 991 ms 90760 KB Output is correct

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 ms 856 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 3 ms 860 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 2 ms 860 KB Output is correct
9 Correct 2 ms 604 KB Output is correct
10 Correct 2 ms 604 KB Output is correct
11 Correct 2 ms 860 KB Output is correct
12 Correct 2 ms 860 KB Output is correct
13 Correct 3 ms 780 KB Output is correct
14 Correct 0 ms 600 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 1112 KB Output is correct
17 Correct 3 ms 1112 KB Output is correct
18 Correct 4 ms 860 KB Output is correct
19 Correct 3 ms 804 KB Output is correct
20 Correct 4 ms 856 KB Output is correct
21 Correct 3 ms 860 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 816 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 784 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 5 ms 860 KB Output is correct
36 Correct 4 ms 860 KB Output is correct
37 Correct 4 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 860 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 4 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 856 KB Output is correct
48 Correct 4 ms 856 KB Output is correct
49 Incorrect 4 ms 856 KB Output isn't correct
50 Halted 0 ms 0 KB -