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답안 #1075989

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1075989 2024-08-26T10:18:38 Z ivaziva Mountains (NOI20_mountains) C++14
100 / 100
 446 ms 31896 KB 
#include <bits/stdc++.h>

using namespace std;

#define MAXN 300001

long long n;
long long h[MAXN];
map<long long,long long> kompresija;
long long fenw[MAXN];
long long sol[MAXN];

void update(long long pos)
{
    for (long long i=pos;i<=n;i+=(i&(-i))) fenw[i]++;
}

long long query(long long pos)
{
    long long sum=0;
    for (long long i=pos;i>=1;i-=(i&(-i))) sum+=fenw[i];
    return sum;
}

int main()
{
    cin>>n;
    for (long long i=1;i<=n;i++) cin>>h[i];
    for (long long i=1;i<=n;i++) kompresija[h[i]]=1;
    long long idx=0;
    for (auto&p:kompresija) {idx++;p.second=idx;}
    for (long long i=1;i<=n;i++) h[i]=kompresija[h[i]];
    for (long long i=1;i<=n;i++) {sol[i]=query(h[i]-1);update(h[i]);}
    for (long long i=0;i<MAXN;i++) fenw[i]=0;
    for (long long i=n;i>=1;i--) {sol[i]*=query(h[i]-1);update(h[i]);}
    long long ans=0;
    for (long long i=1;i<=n;i++) ans+=sol[i];
    cout<<ans<<endl;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 211 ms 31832 KB Output is correct
3 Correct 227 ms 31572 KB Output is correct
4 Correct 226 ms 31684 KB Output is correct
5 Correct 219 ms 31636 KB Output is correct
6 Correct 222 ms 31572 KB Output is correct
7 Correct 219 ms 31892 KB Output is correct
8 Correct 241 ms 31896 KB Output is correct
9 Correct 207 ms 22612 KB Output is correct
10 Correct 243 ms 22692 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 7908 KB Output is correct
2 Correct 60 ms 8272 KB Output is correct
3 Correct 63 ms 8016 KB Output is correct
4 Correct 62 ms 8000 KB Output is correct
5 Correct 60 ms 8016 KB Output is correct
6 Correct 61 ms 7928 KB Output is correct
7 Correct 60 ms 8048 KB Output is correct
8 Correct 53 ms 8020 KB Output is correct
9 Correct 57 ms 7904 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 7908 KB Output is correct
2 Correct 60 ms 8272 KB Output is correct
3 Correct 63 ms 8016 KB Output is correct
4 Correct 62 ms 8000 KB Output is correct
5 Correct 60 ms 8016 KB Output is correct
6 Correct 61 ms 7928 KB Output is correct
7 Correct 60 ms 8048 KB Output is correct
8 Correct 53 ms 8020 KB Output is correct
9 Correct 57 ms 7904 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 86 ms 8124 KB Output is correct
12 Correct 71 ms 8272 KB Output is correct
13 Correct 71 ms 8320 KB Output is correct
14 Correct 74 ms 8276 KB Output is correct
15 Correct 70 ms 8272 KB Output is correct
16 Correct 86 ms 8276 KB Output is correct
17 Correct 73 ms 8288 KB Output is correct
18 Correct 55 ms 8276 KB Output is correct
19 Correct 57 ms 8276 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2788 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2800 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 2 ms 2648 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2652 KB Output is correct
2 Correct 2 ms 2788 KB Output is correct
3 Correct 2 ms 2648 KB Output is correct
4 Correct 2 ms 2800 KB Output is correct
5 Correct 1 ms 2652 KB Output is correct
6 Correct 2 ms 2648 KB Output is correct
7 Correct 2 ms 2652 KB Output is correct
8 Correct 1 ms 2652 KB Output is correct
9 Correct 2 ms 2652 KB Output is correct
10 Correct 1 ms 2652 KB Output is correct
11 Correct 10 ms 3676 KB Output is correct
12 Correct 9 ms 3648 KB Output is correct
13 Correct 8 ms 3676 KB Output is correct
14 Correct 10 ms 3752 KB Output is correct
15 Correct 9 ms 3540 KB Output is correct
16 Correct 9 ms 3676 KB Output is correct
17 Correct 9 ms 3672 KB Output is correct
18 Correct 8 ms 3164 KB Output is correct
19 Correct 5 ms 2908 KB Output is correct
20 Correct 1 ms 2652 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 59 ms 7908 KB Output is correct
2 Correct 60 ms 8272 KB Output is correct
3 Correct 63 ms 8016 KB Output is correct
4 Correct 62 ms 8000 KB Output is correct
5 Correct 60 ms 8016 KB Output is correct
6 Correct 61 ms 7928 KB Output is correct
7 Correct 60 ms 8048 KB Output is correct
8 Correct 53 ms 8020 KB Output is correct
9 Correct 57 ms 7904 KB Output is correct
10 Correct 2 ms 2652 KB Output is correct
11 Correct 86 ms 8124 KB Output is correct
12 Correct 71 ms 8272 KB Output is correct
13 Correct 71 ms 8320 KB Output is correct
14 Correct 74 ms 8276 KB Output is correct
15 Correct 70 ms 8272 KB Output is correct
16 Correct 86 ms 8276 KB Output is correct
17 Correct 73 ms 8288 KB Output is correct
18 Correct 55 ms 8276 KB Output is correct
19 Correct 57 ms 8276 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 218 ms 15024 KB Output is correct
22 Correct 215 ms 15184 KB Output is correct
23 Correct 212 ms 15120 KB Output is correct
24 Correct 206 ms 14928 KB Output is correct
25 Correct 212 ms 15036 KB Output is correct
26 Correct 218 ms 14932 KB Output is correct
27 Correct 210 ms 14928 KB Output is correct
28 Correct 124 ms 14928 KB Output is correct
29 Correct 119 ms 14956 KB Output is correct
30 Correct 3 ms 2648 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 2648 KB Output is correct
2 Correct 211 ms 31832 KB Output is correct
3 Correct 227 ms 31572 KB Output is correct
4 Correct 226 ms 31684 KB Output is correct
5 Correct 219 ms 31636 KB Output is correct
6 Correct 222 ms 31572 KB Output is correct
7 Correct 219 ms 31892 KB Output is correct
8 Correct 241 ms 31896 KB Output is correct
9 Correct 207 ms 22612 KB Output is correct
10 Correct 243 ms 22692 KB Output is correct
11 Correct 59 ms 7908 KB Output is correct
12 Correct 60 ms 8272 KB Output is correct
13 Correct 63 ms 8016 KB Output is correct
14 Correct 62 ms 8000 KB Output is correct
15 Correct 60 ms 8016 KB Output is correct
16 Correct 61 ms 7928 KB Output is correct
17 Correct 60 ms 8048 KB Output is correct
18 Correct 53 ms 8020 KB Output is correct
19 Correct 57 ms 7904 KB Output is correct
20 Correct 2 ms 2652 KB Output is correct
21 Correct 86 ms 8124 KB Output is correct
22 Correct 71 ms 8272 KB Output is correct
23 Correct 71 ms 8320 KB Output is correct
24 Correct 74 ms 8276 KB Output is correct
25 Correct 70 ms 8272 KB Output is correct
26 Correct 86 ms 8276 KB Output is correct
27 Correct 73 ms 8288 KB Output is correct
28 Correct 55 ms 8276 KB Output is correct
29 Correct 57 ms 8276 KB Output is correct
30 Correct 2 ms 2652 KB Output is correct
31 Correct 2 ms 2652 KB Output is correct
32 Correct 2 ms 2788 KB Output is correct
33 Correct 2 ms 2648 KB Output is correct
34 Correct 2 ms 2800 KB Output is correct
35 Correct 1 ms 2652 KB Output is correct
36 Correct 2 ms 2648 KB Output is correct
37 Correct 2 ms 2652 KB Output is correct
38 Correct 1 ms 2652 KB Output is correct
39 Correct 2 ms 2652 KB Output is correct
40 Correct 1 ms 2652 KB Output is correct
41 Correct 10 ms 3676 KB Output is correct
42 Correct 9 ms 3648 KB Output is correct
43 Correct 8 ms 3676 KB Output is correct
44 Correct 10 ms 3752 KB Output is correct
45 Correct 9 ms 3540 KB Output is correct
46 Correct 9 ms 3676 KB Output is correct
47 Correct 9 ms 3672 KB Output is correct
48 Correct 8 ms 3164 KB Output is correct
49 Correct 5 ms 2908 KB Output is correct
50 Correct 1 ms 2652 KB Output is correct
51 Correct 218 ms 15024 KB Output is correct
52 Correct 215 ms 15184 KB Output is correct
53 Correct 212 ms 15120 KB Output is correct
54 Correct 206 ms 14928 KB Output is correct
55 Correct 212 ms 15036 KB Output is correct
56 Correct 218 ms 14932 KB Output is correct
57 Correct 210 ms 14928 KB Output is correct
58 Correct 124 ms 14928 KB Output is correct
59 Correct 119 ms 14956 KB Output is correct
60 Correct 3 ms 2648 KB Output is correct
61 Correct 366 ms 31788 KB Output is correct
62 Correct 421 ms 31736 KB Output is correct
63 Correct 438 ms 31748 KB Output is correct
64 Correct 385 ms 31752 KB Output is correct
65 Correct 446 ms 31700 KB Output is correct
66 Correct 434 ms 31572 KB Output is correct
67 Correct 446 ms 31704 KB Output is correct
68 Correct 328 ms 22612 KB Output is correct
69 Correct 257 ms 17420 KB Output is correct
70 Correct 2 ms 2648 KB Output is correct