oj.uz

Submission #968228

# Submission time Handle Problem Language Result Execution time Memory
968228 2024-04-23T08:35:46 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1769 ms 91528 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);
        }
        ll 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 856 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 360 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 856 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 828 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 856 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 808 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 856 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 828 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 856 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 808 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 856 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 1086 ms 90432 KB Output is correct
36 Correct 1014 ms 90596 KB Output is correct
37 Correct 1004 ms 90972 KB Output is correct
38 Correct 1020 ms 90740 KB Output is correct
39 Correct 979 ms 90736 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 628 ms 90900 KB Output is correct
43 Correct 605 ms 91032 KB Output is correct
44 Correct 659 ms 90900 KB Output is correct
45 Correct 458 ms 90320 KB Output is correct
46 Correct 462 ms 90824 KB Output is correct
47 Correct 446 ms 90368 KB Output is correct
48 Correct 652 ms 90880 KB Output is correct
49 Correct 688 ms 90928 KB Output is correct
50 Correct 678 ms 90504 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 856 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 828 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 856 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 808 KB Output is correct
49 Correct 1086 ms 90432 KB Output is correct
50 Correct 1014 ms 90596 KB Output is correct
51 Correct 1004 ms 90972 KB Output is correct
52 Correct 1020 ms 90740 KB Output is correct
53 Correct 979 ms 90736 KB Output is correct
54 Correct 0 ms 344 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 628 ms 90900 KB Output is correct
57 Correct 605 ms 91032 KB Output is correct
58 Correct 659 ms 90900 KB Output is correct
59 Correct 458 ms 90320 KB Output is correct
60 Correct 462 ms 90824 KB Output is correct
61 Correct 446 ms 90368 KB Output is correct
62 Correct 652 ms 90880 KB Output is correct
63 Correct 688 ms 90928 KB Output is correct
64 Correct 678 ms 90504 KB Output is correct
65 Correct 1748 ms 90940 KB Output is correct
66 Correct 1678 ms 90884 KB Output is correct
67 Correct 1663 ms 90852 KB Output is correct
68 Correct 1764 ms 90868 KB Output is correct
69 Correct 1769 ms 91092 KB Output is correct
70 Correct 616 ms 91144 KB Output is correct
71 Correct 597 ms 91300 KB Output is correct
72 Correct 596 ms 90828 KB Output is correct
73 Correct 834 ms 90876 KB Output is correct
74 Correct 826 ms 91024 KB Output is correct
75 Correct 795 ms 91012 KB Output is correct
76 Correct 987 ms 91528 KB Output is correct
77 Correct 946 ms 90532 KB Output is correct
78 Correct 998 ms 90656 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 2 ms 860 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 2 ms 860 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 2 ms 856 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 3 ms 860 KB Output is correct
13 Correct 3 ms 860 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 860 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 2 ms 860 KB Output is correct
21 Correct 2 ms 860 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 856 KB Output is correct
25 Correct 2 ms 856 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 360 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 828 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 856 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 808 KB Output is correct
49 Incorrect 4 ms 856 KB Output isn't correct
50 Halted 0 ms 0 KB -