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Submission #224554

# Submission time Handle Problem Language Result Execution time Memory
224554 2020-04-18T11:55:54 Z Autoratch Mountains (NOI20_mountains) C++14
100 / 100
 562 ms 33260 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 3e5 + 3;

int n;
long long a[N];
vector<long long> s;
map<long long,int> ma;
long long fa[N],fb[N];
long long ans;

void update(long long (&a)[N],int idx,long long val){ idx++; while(idx<N) a[idx]+=val,idx+=(idx & -idx); }

long long read(long long (&a)[N],int idx){ idx++; long long val = 0; while(idx>0) val+=a[idx],idx-=(idx & -idx); return val; }

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    cin >> n;
    for(int i = 1;i <= n;i++) cin >> a[i],s.push_back(a[i]);
    sort(s.begin(),s.end());
    int id = 0;
    for(long long x : s) if(!ma[x]) ma[x] = ++id;
    for(int i = 1;i <= n;i++) a[i] = ma[a[i]];
    for(int i = 1;i <= n;i++)
    {
        ans+=read(fb,N-2)-read(fb,a[i]);
        update(fb,a[i],read(fa,a[i]-1));
        update(fa,a[i],1);
    }
    cout << ans;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 247 ms 28640 KB Output is correct
3 Correct 244 ms 28644 KB Output is correct
4 Correct 244 ms 28692 KB Output is correct
5 Correct 258 ms 28640 KB Output is correct
6 Correct 242 ms 28636 KB Output is correct
7 Correct 247 ms 28640 KB Output is correct
8 Correct 260 ms 28780 KB Output is correct
9 Correct 199 ms 17376 KB Output is correct
10 Correct 199 ms 17376 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 6768 KB Output is correct
2 Correct 65 ms 6772 KB Output is correct
3 Correct 60 ms 6772 KB Output is correct
4 Correct 61 ms 6772 KB Output is correct
5 Correct 63 ms 6772 KB Output is correct
6 Correct 62 ms 6772 KB Output is correct
7 Correct 61 ms 6764 KB Output is correct
8 Correct 56 ms 6772 KB Output is correct
9 Correct 57 ms 6772 KB Output is correct
10 Correct 4 ms 384 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 6768 KB Output is correct
2 Correct 65 ms 6772 KB Output is correct
3 Correct 60 ms 6772 KB Output is correct
4 Correct 61 ms 6772 KB Output is correct
5 Correct 63 ms 6772 KB Output is correct
6 Correct 62 ms 6772 KB Output is correct
7 Correct 61 ms 6764 KB Output is correct
8 Correct 56 ms 6772 KB Output is correct
9 Correct 57 ms 6772 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 79 ms 6760 KB Output is correct
12 Correct 80 ms 6764 KB Output is correct
13 Correct 89 ms 6772 KB Output is correct
14 Correct 80 ms 6772 KB Output is correct
15 Correct 82 ms 6768 KB Output is correct
16 Correct 87 ms 6764 KB Output is correct
17 Correct 81 ms 6772 KB Output is correct
18 Correct 63 ms 6772 KB Output is correct
19 Correct 62 ms 6772 KB Output is correct
20 Correct 5 ms 512 KB Output is correct

Subtask #4
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #5
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 512 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 13 ms 1536 KB Output is correct
12 Correct 13 ms 1536 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 12 ms 1536 KB Output is correct
15 Correct 13 ms 1536 KB Output is correct
16 Correct 13 ms 1536 KB Output is correct
17 Correct 13 ms 1536 KB Output is correct
18 Correct 12 ms 1152 KB Output is correct
19 Correct 7 ms 768 KB Output is correct
20 Correct 5 ms 384 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 6768 KB Output is correct
2 Correct 65 ms 6772 KB Output is correct
3 Correct 60 ms 6772 KB Output is correct
4 Correct 61 ms 6772 KB Output is correct
5 Correct 63 ms 6772 KB Output is correct
6 Correct 62 ms 6772 KB Output is correct
7 Correct 61 ms 6764 KB Output is correct
8 Correct 56 ms 6772 KB Output is correct
9 Correct 57 ms 6772 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 79 ms 6760 KB Output is correct
12 Correct 80 ms 6764 KB Output is correct
13 Correct 89 ms 6772 KB Output is correct
14 Correct 80 ms 6772 KB Output is correct
15 Correct 82 ms 6768 KB Output is correct
16 Correct 87 ms 6764 KB Output is correct
17 Correct 81 ms 6772 KB Output is correct
18 Correct 63 ms 6772 KB Output is correct
19 Correct 62 ms 6772 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
21 Correct 290 ms 12624 KB Output is correct
22 Correct 278 ms 12640 KB Output is correct
23 Correct 261 ms 12640 KB Output is correct
24 Correct 258 ms 12640 KB Output is correct
25 Correct 265 ms 12724 KB Output is correct
26 Correct 266 ms 12640 KB Output is correct
27 Correct 298 ms 12648 KB Output is correct
28 Correct 141 ms 12636 KB Output is correct
29 Correct 144 ms 12640 KB Output is correct
30 Correct 5 ms 384 KB Output is correct

Subtask #7
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 247 ms 28640 KB Output is correct
3 Correct 244 ms 28644 KB Output is correct
4 Correct 244 ms 28692 KB Output is correct
5 Correct 258 ms 28640 KB Output is correct
6 Correct 242 ms 28636 KB Output is correct
7 Correct 247 ms 28640 KB Output is correct
8 Correct 260 ms 28780 KB Output is correct
9 Correct 199 ms 17376 KB Output is correct
10 Correct 199 ms 17376 KB Output is correct
11 Correct 64 ms 6768 KB Output is correct
12 Correct 65 ms 6772 KB Output is correct
13 Correct 60 ms 6772 KB Output is correct
14 Correct 61 ms 6772 KB Output is correct
15 Correct 63 ms 6772 KB Output is correct
16 Correct 62 ms 6772 KB Output is correct
17 Correct 61 ms 6764 KB Output is correct
18 Correct 56 ms 6772 KB Output is correct
19 Correct 57 ms 6772 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 79 ms 6760 KB Output is correct
22 Correct 80 ms 6764 KB Output is correct
23 Correct 89 ms 6772 KB Output is correct
24 Correct 80 ms 6772 KB Output is correct
25 Correct 82 ms 6768 KB Output is correct
26 Correct 87 ms 6764 KB Output is correct
27 Correct 81 ms 6772 KB Output is correct
28 Correct 63 ms 6772 KB Output is correct
29 Correct 62 ms 6772 KB Output is correct
30 Correct 5 ms 512 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 512 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 5 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 512 KB Output is correct
40 Correct 5 ms 384 KB Output is correct
41 Correct 13 ms 1536 KB Output is correct
42 Correct 13 ms 1536 KB Output is correct
43 Correct 12 ms 1536 KB Output is correct
44 Correct 12 ms 1536 KB Output is correct
45 Correct 13 ms 1536 KB Output is correct
46 Correct 13 ms 1536 KB Output is correct
47 Correct 13 ms 1536 KB Output is correct
48 Correct 12 ms 1152 KB Output is correct
49 Correct 7 ms 768 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 290 ms 12624 KB Output is correct
52 Correct 278 ms 12640 KB Output is correct
53 Correct 261 ms 12640 KB Output is correct
54 Correct 258 ms 12640 KB Output is correct
55 Correct 265 ms 12724 KB Output is correct
56 Correct 266 ms 12640 KB Output is correct
57 Correct 298 ms 12648 KB Output is correct
58 Correct 141 ms 12636 KB Output is correct
59 Correct 144 ms 12640 KB Output is correct
60 Correct 5 ms 384 KB Output is correct
61 Correct 536 ms 33260 KB Output is correct
62 Correct 562 ms 33120 KB Output is correct
63 Correct 557 ms 33120 KB Output is correct
64 Correct 534 ms 33120 KB Output is correct
65 Correct 540 ms 33248 KB Output is correct
66 Correct 543 ms 33108 KB Output is correct
67 Correct 534 ms 33220 KB Output is correct
68 Correct 421 ms 21856 KB Output is correct
69 Correct 345 ms 17124 KB Output is correct
70 Correct 4 ms 384 KB Output is correct