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Submission #967990

# Submission time Handle Problem Language Result Execution time Memory
967990 2024-04-23T06:37:30 Z LittleOrange Real Mountains (CCO23_day1problem2) C++17
10 / 25
 1953 ms 60404 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const ll mod = 1e6+3;
const ll big = 1e18;
struct obj{
    ll i,h;
    bool operator<(const obj &o) const{
        return h<o.h;
    }
};
struct segtree{
    ll n;
    vector<obj> a;
    segtree(ll N):n(N),a(N<<2){}
    void set(ll i, ll l, ll r, ll x, ll o){
        if (l==r) a[i] = {l,o};
        else{
            ll m = l+r>>1;
            if (x<=m) set(i<<1,l,m,x,o);
            else set(i<<1|1,m+1,r,x,o);
            a[i] = min(a[i<<1],a[i<<1|1]);
        }
    }
    void set(ll x, ll o){
        set(1,0,n-1,x,o);
    }
    obj get(ll i, ll l, ll r, ll ql, ll qr){
        if (ql<=l&&r<=qr) return a[i];
        ll m = l+r>>1;
        if (qr<=m) return get(i<<1,l,m,ql,qr);
        if (ql>m) return get(i<<1|1,m+1,r,ql,qr);
        return min(get(i<<1,l,m,ql,qr),get(i<<1|1,m+1,r,ql,qr));
    }
    obj get(ll ql, ll qr){
        return get(1,0,n-1,ql,qr);
    }
};
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    ll n;
    cin >> n;
    vector<ll> a(n);
    for(ll &i : a) cin >> i;
    vector<ll> b = a;
    sort(b.begin(),b.end());
    b.erase(unique(b.begin(),b.end()),b.end());
    ll ans = 0;
    vector<ll> l = a;
    vector<ll> r = a;
    for(ll i = 1;i<n;i++) l[i] = max(l[i],l[i-1]);
    for(ll i = n-2;i>=0;i--) r[i] = max(r[i],r[i+1]);
    for(ll j = 0;j<b.size()-1;j++){
        ll de = b[j+1]-b[j];
        vector<ll> v;
        for(ll i = 0;i<n;i++){
            if (a[i]<=b[j]&&l[i]>b[j]&&r[i]>b[j]) v.push_back(i);
        }
        if(v.empty()) break;
        //cout << b[j] << ":";
        //for(ll i : v) cout << " " << i;
        //cout << "\n";
        vector<ll> L(n,big),R(n,big);
        for(ll i = 0;i<n;i++) if(a[i]>b[j]) L[i] = R[i] = a[i];
        for(ll i = 1;i<n;i++) L[i] = min(L[i],L[i-1]);
        for(ll i = n-2;i>=0;i--) R[i] = min(R[i],R[i+1]);
        //for(ll i = 0;i<n;i++) cout << L[i] << " \n"[i+1==n];
        //for(ll i = 0;i<n;i++) cout << R[i] << " \n"[i+1==n];
        if (v.size()==1){
            ll i = v[0];
            ans += (L[i]+R[i]+b[j])*de+(de*(de-1)/2);
        }else{
            ll base = L[v.front()]+R[v.back()]+min(R[v.front()],L[v.back()]);
            ll cnt = v.size()*2-3;
            ll cnt0 = v.size();
            //cout << base << " " << cnt << " " << de << "\n";
            ans += base*de+cnt*(b[j]*de+de*(de+1)/2)+cnt0*(b[j]*de+de*(de-1)/2);
        }
        ans%=mod;
    }
    cout << ans%mod << "\n";
}

Compilation message

Main.cpp: In member function 'void segtree::set(ll, ll, ll, ll, ll)':
Main.cpp:19:21: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   19 |             ll m = l+r>>1;
      |                    ~^~
Main.cpp: In member function 'obj segtree::get(ll, ll, ll, ll, ll)':
Main.cpp:30:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   30 |         ll m = l+r>>1;
      |                ~^~
Main.cpp: In function 'int main()':
Main.cpp:53:19: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for(ll j = 0;j<b.size()-1;j++){
      |                  ~^~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct
13 Correct 8 ms 776 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 776 KB Output is correct
17 Correct 8 ms 768 KB Output is correct
18 Correct 8 ms 776 KB Output is correct
19 Correct 8 ms 784 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 2 ms 1028 KB Output is correct
22 Correct 2 ms 776 KB Output is correct
23 Correct 6 ms 776 KB Output is correct
24 Correct 6 ms 776 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 7 ms 788 KB Output is correct
27 Correct 7 ms 796 KB Output is correct
28 Correct 7 ms 788 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct
13 Correct 8 ms 776 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 776 KB Output is correct
17 Correct 8 ms 768 KB Output is correct
18 Correct 8 ms 776 KB Output is correct
19 Correct 8 ms 784 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 2 ms 1028 KB Output is correct
22 Correct 2 ms 776 KB Output is correct
23 Correct 6 ms 776 KB Output is correct
24 Correct 6 ms 776 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 7 ms 788 KB Output is correct
27 Correct 7 ms 796 KB Output is correct
28 Correct 7 ms 788 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct
35 Correct 356 ms 792 KB Output is correct
36 Correct 352 ms 788 KB Output is correct
37 Correct 352 ms 1024 KB Output is correct
38 Correct 343 ms 792 KB Output is correct
39 Correct 380 ms 788 KB Output is correct
40 Correct 2 ms 776 KB Output is correct
41 Correct 2 ms 776 KB Output is correct
42 Correct 2 ms 776 KB Output is correct
43 Correct 277 ms 792 KB Output is correct
44 Correct 275 ms 788 KB Output is correct
45 Correct 276 ms 788 KB Output is correct
46 Incorrect 1 ms 600 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #4
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct
13 Correct 8 ms 776 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 776 KB Output is correct
17 Correct 8 ms 768 KB Output is correct
18 Correct 8 ms 776 KB Output is correct
19 Correct 8 ms 784 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 2 ms 1028 KB Output is correct
22 Correct 2 ms 776 KB Output is correct
23 Correct 6 ms 776 KB Output is correct
24 Correct 6 ms 776 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 7 ms 788 KB Output is correct
27 Correct 7 ms 796 KB Output is correct
28 Correct 7 ms 788 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct
35 Correct 356 ms 792 KB Output is correct
36 Correct 352 ms 788 KB Output is correct
37 Correct 352 ms 1024 KB Output is correct
38 Correct 343 ms 792 KB Output is correct
39 Correct 380 ms 788 KB Output is correct
40 Correct 2 ms 776 KB Output is correct
41 Correct 2 ms 776 KB Output is correct
42 Correct 2 ms 776 KB Output is correct
43 Correct 277 ms 792 KB Output is correct
44 Correct 275 ms 788 KB Output is correct
45 Correct 276 ms 788 KB Output is correct
46 Incorrect 1 ms 600 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #5
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct
13 Correct 8 ms 776 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 776 KB Output is correct
17 Correct 8 ms 768 KB Output is correct
18 Correct 8 ms 776 KB Output is correct
19 Correct 8 ms 784 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 2 ms 1028 KB Output is correct
22 Correct 2 ms 776 KB Output is correct
23 Correct 6 ms 776 KB Output is correct
24 Correct 6 ms 776 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 7 ms 788 KB Output is correct
27 Correct 7 ms 796 KB Output is correct
28 Correct 7 ms 788 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct
35 Correct 1891 ms 60404 KB Output is correct
36 Correct 1912 ms 58572 KB Output is correct
37 Correct 1943 ms 60404 KB Output is correct
38 Correct 1953 ms 58344 KB Output is correct
39 Correct 1916 ms 58468 KB Output is correct
40 Correct 1 ms 344 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 269 ms 57468 KB Output is correct
43 Correct 260 ms 57904 KB Output is correct
44 Correct 259 ms 57612 KB Output is correct
45 Correct 1446 ms 58556 KB Output is correct
46 Correct 1412 ms 58396 KB Output is correct
47 Correct 1449 ms 58660 KB Output is correct
48 Correct 1662 ms 58896 KB Output is correct
49 Correct 1630 ms 60332 KB Output is correct
50 Correct 1653 ms 59052 KB Output is correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct
13 Correct 8 ms 776 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 776 KB Output is correct
17 Correct 8 ms 768 KB Output is correct
18 Correct 8 ms 776 KB Output is correct
19 Correct 8 ms 784 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 2 ms 1028 KB Output is correct
22 Correct 2 ms 776 KB Output is correct
23 Correct 6 ms 776 KB Output is correct
24 Correct 6 ms 776 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 7 ms 788 KB Output is correct
27 Correct 7 ms 796 KB Output is correct
28 Correct 7 ms 788 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct
35 Correct 356 ms 792 KB Output is correct
36 Correct 352 ms 788 KB Output is correct
37 Correct 352 ms 1024 KB Output is correct
38 Correct 343 ms 792 KB Output is correct
39 Correct 380 ms 788 KB Output is correct
40 Correct 2 ms 776 KB Output is correct
41 Correct 2 ms 776 KB Output is correct
42 Correct 2 ms 776 KB Output is correct
43 Correct 277 ms 792 KB Output is correct
44 Correct 275 ms 788 KB Output is correct
45 Correct 276 ms 788 KB Output is correct
46 Incorrect 1 ms 600 KB Output isn't correct
47 Halted 0 ms 0 KB -

Subtask #7
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 500 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 6 ms 776 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 1 ms 604 KB Output is correct
7 Correct 1 ms 604 KB Output is correct
8 Correct 1 ms 604 KB Output is correct
9 Correct 1 ms 472 KB Output is correct
10 Correct 1 ms 600 KB Output is correct
11 Correct 6 ms 796 KB Output is correct
12 Correct 6 ms 772 KB Output is correct
13 Correct 8 ms 776 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 8 ms 776 KB Output is correct
17 Correct 8 ms 768 KB Output is correct
18 Correct 8 ms 776 KB Output is correct
19 Correct 8 ms 784 KB Output is correct
20 Correct 2 ms 772 KB Output is correct
21 Correct 2 ms 1028 KB Output is correct
22 Correct 2 ms 776 KB Output is correct
23 Correct 6 ms 776 KB Output is correct
24 Correct 6 ms 776 KB Output is correct
25 Correct 7 ms 764 KB Output is correct
26 Correct 7 ms 788 KB Output is correct
27 Correct 7 ms 796 KB Output is correct
28 Correct 7 ms 788 KB Output is correct
29 Correct 0 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 0 ms 348 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 348 KB Output is correct
35 Correct 356 ms 792 KB Output is correct
36 Correct 352 ms 788 KB Output is correct
37 Correct 352 ms 1024 KB Output is correct
38 Correct 343 ms 792 KB Output is correct
39 Correct 380 ms 788 KB Output is correct
40 Correct 2 ms 776 KB Output is correct
41 Correct 2 ms 776 KB Output is correct
42 Correct 2 ms 776 KB Output is correct
43 Correct 277 ms 792 KB Output is correct
44 Correct 275 ms 788 KB Output is correct
45 Correct 276 ms 788 KB Output is correct
46 Incorrect 1 ms 600 KB Output isn't correct
47 Halted 0 ms 0 KB -