oj.uz

Submission #968190

# Submission time Handle Problem Language Result Execution time Memory
968190 2024-04-23T08:24:36 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1899 ms 96952 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=1e7;
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 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 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 348 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 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 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 988 KB Output is correct
17 Correct 3 ms 988 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 2 ms 824 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 0 ms 344 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 348 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 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 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 988 KB Output is correct
17 Correct 3 ms 988 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 2 ms 824 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 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 860 KB Output is correct
37 Correct 4 ms 856 KB Output is correct
38 Correct 4 ms 816 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 820 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 1008 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 5 ms 984 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 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 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 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 988 KB Output is correct
17 Correct 3 ms 988 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 2 ms 824 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 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 860 KB Output is correct
37 Correct 4 ms 856 KB Output is correct
38 Correct 4 ms 816 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 820 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 1008 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 5 ms 984 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Incorrect 6 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 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 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 988 KB Output is correct
17 Correct 3 ms 988 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 2 ms 824 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 1100 ms 92340 KB Output is correct
36 Correct 997 ms 92252 KB Output is correct
37 Correct 1079 ms 92140 KB Output is correct
38 Correct 1093 ms 92760 KB Output is correct
39 Correct 1002 ms 92180 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 578 ms 92176 KB Output is correct
43 Correct 595 ms 92124 KB Output is correct
44 Correct 601 ms 92232 KB Output is correct
45 Correct 467 ms 92120 KB Output is correct
46 Correct 444 ms 92616 KB Output is correct
47 Correct 455 ms 92236 KB Output is correct
48 Correct 639 ms 92524 KB Output is correct
49 Correct 658 ms 92620 KB Output is correct
50 Correct 652 ms 92196 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 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 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 988 KB Output is correct
17 Correct 3 ms 988 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 2 ms 824 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 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 860 KB Output is correct
37 Correct 4 ms 856 KB Output is correct
38 Correct 4 ms 816 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 820 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 1008 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 5 ms 984 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Correct 1100 ms 92340 KB Output is correct
50 Correct 997 ms 92252 KB Output is correct
51 Correct 1079 ms 92140 KB Output is correct
52 Correct 1093 ms 92760 KB Output is correct
53 Correct 1002 ms 92180 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 348 KB Output is correct
56 Correct 578 ms 92176 KB Output is correct
57 Correct 595 ms 92124 KB Output is correct
58 Correct 601 ms 92232 KB Output is correct
59 Correct 467 ms 92120 KB Output is correct
60 Correct 444 ms 92616 KB Output is correct
61 Correct 455 ms 92236 KB Output is correct
62 Correct 639 ms 92524 KB Output is correct
63 Correct 658 ms 92620 KB Output is correct
64 Correct 652 ms 92196 KB Output is correct
65 Correct 1750 ms 95460 KB Output is correct
66 Correct 1899 ms 94608 KB Output is correct
67 Correct 1847 ms 95312 KB Output is correct
68 Correct 1895 ms 96636 KB Output is correct
69 Correct 1683 ms 96612 KB Output is correct
70 Correct 647 ms 92832 KB Output is correct
71 Correct 625 ms 93028 KB Output is correct
72 Correct 617 ms 92864 KB Output is correct
73 Correct 837 ms 96696 KB Output is correct
74 Correct 832 ms 96900 KB Output is correct
75 Correct 864 ms 96952 KB Output is correct
76 Correct 1024 ms 96720 KB Output is correct
77 Correct 976 ms 96336 KB Output is correct
78 Correct 1010 ms 96440 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 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 3 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 2 ms 740 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 824 KB Output is correct
11 Correct 2 ms 856 KB Output is correct
12 Correct 3 ms 860 KB Output is correct
13 Correct 4 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 988 KB Output is correct
17 Correct 3 ms 988 KB Output is correct
18 Correct 3 ms 860 KB Output is correct
19 Correct 3 ms 860 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 980 KB Output is correct
22 Correct 2 ms 860 KB Output is correct
23 Correct 3 ms 860 KB Output is correct
24 Correct 2 ms 824 KB Output is correct
25 Correct 3 ms 716 KB Output is correct
26 Correct 3 ms 860 KB Output is correct
27 Correct 3 ms 856 KB Output is correct
28 Correct 4 ms 860 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 600 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 344 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 860 KB Output is correct
37 Correct 4 ms 856 KB Output is correct
38 Correct 4 ms 816 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 3 ms 856 KB Output is correct
41 Correct 3 ms 820 KB Output is correct
42 Correct 3 ms 860 KB Output is correct
43 Correct 4 ms 1008 KB Output is correct
44 Correct 4 ms 860 KB Output is correct
45 Correct 5 ms 984 KB Output is correct
46 Correct 4 ms 860 KB Output is correct
47 Correct 4 ms 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Incorrect 6 ms 860 KB Output isn't correct
50 Halted 0 ms 0 KB -