oj.uz

Submission #968226

# Submission time Handle Problem Language Result Execution time Memory
968226 2024-04-23T08:35:03 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1757 ms 95096 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%=mod;
        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 344 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 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 344 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 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 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 4 ms 992 KB Output is correct
20 Correct 3 ms 860 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 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 1112 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 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 344 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 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 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 4 ms 992 KB Output is correct
20 Correct 3 ms 860 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 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 1112 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 980 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 5 ms 860 KB Output is correct
45 Correct 6 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 6 ms 860 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 344 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 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 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 4 ms 992 KB Output is correct
20 Correct 3 ms 860 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 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 1112 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 980 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 5 ms 860 KB Output is correct
45 Correct 6 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 6 ms 860 KB Output is correct
48 Correct 4 ms 856 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 344 KB Output is correct
2 Correct 0 ms 344 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 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 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 4 ms 992 KB Output is correct
20 Correct 3 ms 860 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 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 1112 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1008 ms 92956 KB Output is correct
36 Correct 944 ms 92704 KB Output is correct
37 Correct 1083 ms 92548 KB Output is correct
38 Correct 1106 ms 92612 KB Output is correct
39 Correct 1004 ms 92284 KB Output is correct
40 Correct 1 ms 456 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 584 ms 92336 KB Output is correct
43 Correct 623 ms 92484 KB Output is correct
44 Correct 592 ms 92476 KB Output is correct
45 Correct 471 ms 92644 KB Output is correct
46 Correct 450 ms 92284 KB Output is correct
47 Correct 449 ms 92796 KB Output is correct
48 Correct 626 ms 92288 KB Output is correct
49 Correct 662 ms 92432 KB Output is correct
50 Correct 629 ms 92108 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 344 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 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 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 4 ms 992 KB Output is correct
20 Correct 3 ms 860 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 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 1112 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 980 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 5 ms 860 KB Output is correct
45 Correct 6 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 6 ms 860 KB Output is correct
48 Correct 4 ms 856 KB Output is correct
49 Correct 1008 ms 92956 KB Output is correct
50 Correct 944 ms 92704 KB Output is correct
51 Correct 1083 ms 92548 KB Output is correct
52 Correct 1106 ms 92612 KB Output is correct
53 Correct 1004 ms 92284 KB Output is correct
54 Correct 1 ms 456 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 584 ms 92336 KB Output is correct
57 Correct 623 ms 92484 KB Output is correct
58 Correct 592 ms 92476 KB Output is correct
59 Correct 471 ms 92644 KB Output is correct
60 Correct 450 ms 92284 KB Output is correct
61 Correct 449 ms 92796 KB Output is correct
62 Correct 626 ms 92288 KB Output is correct
63 Correct 662 ms 92432 KB Output is correct
64 Correct 629 ms 92108 KB Output is correct
65 Correct 1757 ms 94820 KB Output is correct
66 Correct 1707 ms 95096 KB Output is correct
67 Correct 1673 ms 94900 KB Output is correct
68 Correct 1735 ms 94560 KB Output is correct
69 Correct 1726 ms 94812 KB Output is correct
70 Correct 597 ms 92364 KB Output is correct
71 Correct 585 ms 93112 KB Output is correct
72 Correct 588 ms 92472 KB Output is correct
73 Correct 828 ms 94848 KB Output is correct
74 Correct 813 ms 94884 KB Output is correct
75 Correct 802 ms 91096 KB Output is correct
76 Correct 997 ms 90928 KB Output is correct
77 Correct 975 ms 90572 KB Output is correct
78 Correct 990 ms 90796 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 344 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 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 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 3 ms 860 KB Output is correct
17 Correct 3 ms 856 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 4 ms 992 KB Output is correct
20 Correct 3 ms 860 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 3 ms 860 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 3 ms 1112 KB Output is correct
27 Correct 3 ms 724 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 4 ms 860 KB Output is correct
36 Correct 4 ms 980 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 5 ms 860 KB Output is correct
45 Correct 6 ms 860 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 6 ms 860 KB Output is correct
48 Correct 4 ms 856 KB Output is correct
49 Incorrect 4 ms 860 KB Output isn't correct
50 Halted 0 ms 0 KB -