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답안 #968185

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
968185 2024-04-23T08:23:19 Z Darren0724 Real Mountains (CCO23_day1problem2) C++17
18 / 25
 1801 ms 96924 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;
        };
        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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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 856 KB Output is correct
14 Correct 1 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 984 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 812 KB Output is correct
22 Correct 3 ms 1112 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 544 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 464 KB Output is correct
34 Correct 1 ms 348 KB Output is correct

Subtask #3
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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 856 KB Output is correct
14 Correct 1 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 984 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 812 KB Output is correct
22 Correct 3 ms 1112 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 544 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 464 KB Output is correct
34 Correct 1 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 860 KB Output is correct
38 Correct 5 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 4 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 1112 KB Output is correct
43 Correct 4 ms 1112 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 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct

Subtask #4
0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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 856 KB Output is correct
14 Correct 1 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 984 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 812 KB Output is correct
22 Correct 3 ms 1112 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 544 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 464 KB Output is correct
34 Correct 1 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 860 KB Output is correct
38 Correct 5 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 4 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 1112 KB Output is correct
43 Correct 4 ms 1112 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 860 KB Output is correct
48 Correct 4 ms 860 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

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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 856 KB Output is correct
14 Correct 1 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 984 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 812 KB Output is correct
22 Correct 3 ms 1112 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 544 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 464 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1124 ms 93612 KB Output is correct
36 Correct 1041 ms 93116 KB Output is correct
37 Correct 1078 ms 93184 KB Output is correct
38 Correct 1126 ms 93348 KB Output is correct
39 Correct 1010 ms 92920 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 404 KB Output is correct
42 Correct 620 ms 93136 KB Output is correct
43 Correct 607 ms 93004 KB Output is correct
44 Correct 604 ms 93140 KB Output is correct
45 Correct 480 ms 93192 KB Output is correct
46 Correct 478 ms 93228 KB Output is correct
47 Correct 495 ms 93052 KB Output is correct
48 Correct 685 ms 93072 KB Output is correct
49 Correct 671 ms 92880 KB Output is correct
50 Correct 657 ms 92904 KB Output is correct

Subtask #6
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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 856 KB Output is correct
14 Correct 1 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 984 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 812 KB Output is correct
22 Correct 3 ms 1112 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 544 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 464 KB Output is correct
34 Correct 1 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 860 KB Output is correct
38 Correct 5 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 4 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 1112 KB Output is correct
43 Correct 4 ms 1112 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 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Correct 1124 ms 93612 KB Output is correct
50 Correct 1041 ms 93116 KB Output is correct
51 Correct 1078 ms 93184 KB Output is correct
52 Correct 1126 ms 93348 KB Output is correct
53 Correct 1010 ms 92920 KB Output is correct
54 Correct 1 ms 348 KB Output is correct
55 Correct 1 ms 404 KB Output is correct
56 Correct 620 ms 93136 KB Output is correct
57 Correct 607 ms 93004 KB Output is correct
58 Correct 604 ms 93140 KB Output is correct
59 Correct 480 ms 93192 KB Output is correct
60 Correct 478 ms 93228 KB Output is correct
61 Correct 495 ms 93052 KB Output is correct
62 Correct 685 ms 93072 KB Output is correct
63 Correct 671 ms 92880 KB Output is correct
64 Correct 657 ms 92904 KB Output is correct
65 Correct 1678 ms 96596 KB Output is correct
66 Correct 1755 ms 96924 KB Output is correct
67 Correct 1801 ms 96624 KB Output is correct
68 Correct 1762 ms 96568 KB Output is correct
69 Correct 1604 ms 96612 KB Output is correct
70 Correct 592 ms 92960 KB Output is correct
71 Correct 608 ms 93268 KB Output is correct
72 Correct 592 ms 93068 KB Output is correct
73 Correct 816 ms 96432 KB Output is correct
74 Correct 796 ms 96424 KB Output is correct
75 Correct 801 ms 96428 KB Output is correct
76 Correct 1008 ms 96736 KB Output is correct
77 Correct 1018 ms 96632 KB Output is correct
78 Correct 1068 ms 96148 KB Output is correct

Subtask #7
0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 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 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 856 KB Output is correct
14 Correct 1 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 984 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 812 KB Output is correct
22 Correct 3 ms 1112 KB Output is correct
23 Correct 2 ms 860 KB Output is correct
24 Correct 2 ms 832 KB Output is correct
25 Correct 2 ms 860 KB Output is correct
26 Correct 2 ms 860 KB Output is correct
27 Correct 3 ms 860 KB Output is correct
28 Correct 3 ms 860 KB Output is correct
29 Correct 1 ms 544 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 464 KB Output is correct
34 Correct 1 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 860 KB Output is correct
38 Correct 5 ms 860 KB Output is correct
39 Correct 4 ms 860 KB Output is correct
40 Correct 4 ms 860 KB Output is correct
41 Correct 3 ms 860 KB Output is correct
42 Correct 3 ms 1112 KB Output is correct
43 Correct 4 ms 1112 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 860 KB Output is correct
48 Correct 4 ms 860 KB Output is correct
49 Incorrect 4 ms 860 KB Output isn't correct
50 Halted 0 ms 0 KB -