oj.uz

Submission #968193

# Submission time Handle Problem Language Result Execution time Memory
968193 2024-04-23T08:25:34 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1738 ms 94728 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 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++){
        int 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();
            //cout<<val<<' '<<val1<<endl;
            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());
        int tmp=st.ask(1,p1)+st.ask(p1+1,n+1)+st.ask(p2+1,n+1);
        int 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 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 4 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 856 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 732 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 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 348 KB Output is correct
34 Correct 0 ms 584 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 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 4 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 856 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 732 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 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 348 KB Output is correct
34 Correct 0 ms 584 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 988 KB Output is correct
37 Correct 5 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 6 ms 856 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 816 KB Output is correct
45 Correct 4 ms 856 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 5 ms 860 KB Output is correct
48 Correct 4 ms 1112 KB Output is correct

Subtask #4
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 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 4 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 856 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 732 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 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 348 KB Output is correct
34 Correct 0 ms 584 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 988 KB Output is correct
37 Correct 5 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 6 ms 856 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 816 KB Output is correct
45 Correct 4 ms 856 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 5 ms 860 KB Output is correct
48 Correct 4 ms 1112 KB Output is correct
49 Incorrect 4 ms 860 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 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 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 4 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 856 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 732 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 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 348 KB Output is correct
34 Correct 0 ms 584 KB Output is correct
35 Correct 1119 ms 92456 KB Output is correct
36 Correct 1006 ms 92328 KB Output is correct
37 Correct 1022 ms 92548 KB Output is correct
38 Correct 998 ms 92292 KB Output is correct
39 Correct 1004 ms 92316 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 612 ms 92648 KB Output is correct
43 Correct 619 ms 92556 KB Output is correct
44 Correct 620 ms 92644 KB Output is correct
45 Correct 475 ms 92372 KB Output is correct
46 Correct 470 ms 92216 KB Output is correct
47 Correct 467 ms 92328 KB Output is correct
48 Correct 646 ms 92344 KB Output is correct
49 Correct 633 ms 92292 KB Output is correct
50 Correct 663 ms 92376 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 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 4 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 856 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 732 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 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 348 KB Output is correct
34 Correct 0 ms 584 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 988 KB Output is correct
37 Correct 5 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 6 ms 856 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 816 KB Output is correct
45 Correct 4 ms 856 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 5 ms 860 KB Output is correct
48 Correct 4 ms 1112 KB Output is correct
49 Correct 1119 ms 92456 KB Output is correct
50 Correct 1006 ms 92328 KB Output is correct
51 Correct 1022 ms 92548 KB Output is correct
52 Correct 998 ms 92292 KB Output is correct
53 Correct 1004 ms 92316 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 612 ms 92648 KB Output is correct
57 Correct 619 ms 92556 KB Output is correct
58 Correct 620 ms 92644 KB Output is correct
59 Correct 475 ms 92372 KB Output is correct
60 Correct 470 ms 92216 KB Output is correct
61 Correct 467 ms 92328 KB Output is correct
62 Correct 646 ms 92344 KB Output is correct
63 Correct 633 ms 92292 KB Output is correct
64 Correct 663 ms 92376 KB Output is correct
65 Correct 1738 ms 94500 KB Output is correct
66 Correct 1704 ms 94728 KB Output is correct
67 Correct 1645 ms 92656 KB Output is correct
68 Correct 1716 ms 90844 KB Output is correct
69 Correct 1649 ms 90796 KB Output is correct
70 Correct 586 ms 90892 KB Output is correct
71 Correct 574 ms 90992 KB Output is correct
72 Correct 577 ms 90864 KB Output is correct
73 Correct 840 ms 91056 KB Output is correct
74 Correct 803 ms 90928 KB Output is correct
75 Correct 829 ms 91016 KB Output is correct
76 Correct 969 ms 91260 KB Output is correct
77 Correct 977 ms 91332 KB Output is correct
78 Correct 976 ms 90652 KB Output is correct

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 456 KB Output is correct
4 Correct 2 ms 988 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 604 KB Output is correct
8 Correct 2 ms 856 KB Output is correct
9 Correct 2 ms 728 KB Output is correct
10 Correct 3 ms 600 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 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 4 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 856 KB Output is correct
22 Correct 3 ms 860 KB Output is correct
23 Correct 2 ms 856 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 732 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 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 348 KB Output is correct
34 Correct 0 ms 584 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 988 KB Output is correct
37 Correct 5 ms 860 KB Output is correct
38 Correct 4 ms 860 KB Output is correct
39 Correct 6 ms 856 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 816 KB Output is correct
45 Correct 4 ms 856 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 5 ms 860 KB Output is correct
48 Correct 4 ms 1112 KB Output is correct
49 Incorrect 4 ms 860 KB Output isn't correct
50 Halted 0 ms 0 KB -