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답안 #472625

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
472625 2021-09-13T22:25:30 Z kungfulon Mountains (NOI20_mountains) C++17
100 / 100
 354 ms 15280 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int n;
long long low[300001],high[300001];
long long ans = 0;
long long a[300001];

void ulow(int x){
	for(;x<=n;x += x&-x){
		low[x]++;
	}
}

long long glow(int x){
	long long s = 0;
	for(;x;x -= x&-x){
		s += low[x];
	}
	return s;
}

void uhigh(int x,long long v){
	for(;x;x -= x&-x){
		high[x]+=v;
	}
}

long long ghigh(int x){
	long long s = 0;
	for(;x<=n;x += x&-x){
		s += high[x];
	}
	return s;
}

int main(int argc,const char** argv){
    cin >> n;
    for(int i = 0;i < n;i++) cin >> a[i];
    vector<long long> r(a,a+n);
	sort(r.begin(),r.end());
	r.resize(unique(r.begin(),r.end()) - r.begin());
	for(int i = 0;i < n;i++) a[i] = lower_bound(r.begin(),r.end(),a[i]) - r.begin() + 1;
	for(int i = 0;i < n;i++){
		long long u = glow(a[i]-1);
		ulow(a[i]);
		long long v = ghigh(a[i]+1);
		uhigh(a[i],u);
		ans += v;
	}
	cout << ans;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 303 ms 15192 KB Output is correct
3 Correct 256 ms 15220 KB Output is correct
4 Correct 254 ms 15220 KB Output is correct
5 Correct 253 ms 15280 KB Output is correct
6 Correct 251 ms 15172 KB Output is correct
7 Correct 284 ms 15220 KB Output is correct
8 Correct 265 ms 15212 KB Output is correct
9 Correct 255 ms 12912 KB Output is correct
10 Correct 264 ms 13072 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 5596 KB Output is correct
2 Correct 92 ms 5636 KB Output is correct
3 Correct 85 ms 5580 KB Output is correct
4 Correct 86 ms 5628 KB Output is correct
5 Correct 88 ms 5568 KB Output is correct
6 Correct 86 ms 5512 KB Output is correct
7 Correct 88 ms 5572 KB Output is correct
8 Correct 83 ms 5624 KB Output is correct
9 Correct 93 ms 5600 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 5596 KB Output is correct
2 Correct 92 ms 5636 KB Output is correct
3 Correct 85 ms 5580 KB Output is correct
4 Correct 86 ms 5628 KB Output is correct
5 Correct 88 ms 5568 KB Output is correct
6 Correct 86 ms 5512 KB Output is correct
7 Correct 88 ms 5572 KB Output is correct
8 Correct 83 ms 5624 KB Output is correct
9 Correct 93 ms 5600 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 113 ms 5892 KB Output is correct
12 Correct 122 ms 5804 KB Output is correct
13 Correct 113 ms 5904 KB Output is correct
14 Correct 112 ms 5828 KB Output is correct
15 Correct 113 ms 5828 KB Output is correct
16 Correct 113 ms 5836 KB Output is correct
17 Correct 114 ms 5832 KB Output is correct
18 Correct 90 ms 5836 KB Output is correct
19 Correct 88 ms 5840 KB Output is correct
20 Correct 1 ms 204 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 10 ms 808 KB Output is correct
12 Correct 10 ms 768 KB Output is correct
13 Correct 10 ms 784 KB Output is correct
14 Correct 10 ms 696 KB Output is correct
15 Correct 10 ms 696 KB Output is correct
16 Correct 10 ms 764 KB Output is correct
17 Correct 10 ms 696 KB Output is correct
18 Correct 10 ms 716 KB Output is correct
19 Correct 5 ms 460 KB Output is correct
20 Correct 0 ms 300 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 86 ms 5596 KB Output is correct
2 Correct 92 ms 5636 KB Output is correct
3 Correct 85 ms 5580 KB Output is correct
4 Correct 86 ms 5628 KB Output is correct
5 Correct 88 ms 5568 KB Output is correct
6 Correct 86 ms 5512 KB Output is correct
7 Correct 88 ms 5572 KB Output is correct
8 Correct 83 ms 5624 KB Output is correct
9 Correct 93 ms 5600 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 113 ms 5892 KB Output is correct
12 Correct 122 ms 5804 KB Output is correct
13 Correct 113 ms 5904 KB Output is correct
14 Correct 112 ms 5828 KB Output is correct
15 Correct 113 ms 5828 KB Output is correct
16 Correct 113 ms 5836 KB Output is correct
17 Correct 114 ms 5832 KB Output is correct
18 Correct 90 ms 5836 KB Output is correct
19 Correct 88 ms 5840 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 192 ms 8128 KB Output is correct
22 Correct 189 ms 8132 KB Output is correct
23 Correct 216 ms 8128 KB Output is correct
24 Correct 186 ms 8168 KB Output is correct
25 Correct 188 ms 8220 KB Output is correct
26 Correct 188 ms 8132 KB Output is correct
27 Correct 188 ms 8128 KB Output is correct
28 Correct 129 ms 8132 KB Output is correct
29 Correct 152 ms 8160 KB Output is correct
30 Correct 1 ms 204 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 303 ms 15192 KB Output is correct
3 Correct 256 ms 15220 KB Output is correct
4 Correct 254 ms 15220 KB Output is correct
5 Correct 253 ms 15280 KB Output is correct
6 Correct 251 ms 15172 KB Output is correct
7 Correct 284 ms 15220 KB Output is correct
8 Correct 265 ms 15212 KB Output is correct
9 Correct 255 ms 12912 KB Output is correct
10 Correct 264 ms 13072 KB Output is correct
11 Correct 86 ms 5596 KB Output is correct
12 Correct 92 ms 5636 KB Output is correct
13 Correct 85 ms 5580 KB Output is correct
14 Correct 86 ms 5628 KB Output is correct
15 Correct 88 ms 5568 KB Output is correct
16 Correct 86 ms 5512 KB Output is correct
17 Correct 88 ms 5572 KB Output is correct
18 Correct 83 ms 5624 KB Output is correct
19 Correct 93 ms 5600 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 113 ms 5892 KB Output is correct
22 Correct 122 ms 5804 KB Output is correct
23 Correct 113 ms 5904 KB Output is correct
24 Correct 112 ms 5828 KB Output is correct
25 Correct 113 ms 5828 KB Output is correct
26 Correct 113 ms 5836 KB Output is correct
27 Correct 114 ms 5832 KB Output is correct
28 Correct 90 ms 5836 KB Output is correct
29 Correct 88 ms 5840 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 332 KB Output is correct
39 Correct 1 ms 204 KB Output is correct
40 Correct 1 ms 204 KB Output is correct
41 Correct 10 ms 808 KB Output is correct
42 Correct 10 ms 768 KB Output is correct
43 Correct 10 ms 784 KB Output is correct
44 Correct 10 ms 696 KB Output is correct
45 Correct 10 ms 696 KB Output is correct
46 Correct 10 ms 764 KB Output is correct
47 Correct 10 ms 696 KB Output is correct
48 Correct 10 ms 716 KB Output is correct
49 Correct 5 ms 460 KB Output is correct
50 Correct 0 ms 300 KB Output is correct
51 Correct 192 ms 8128 KB Output is correct
52 Correct 189 ms 8132 KB Output is correct
53 Correct 216 ms 8128 KB Output is correct
54 Correct 186 ms 8168 KB Output is correct
55 Correct 188 ms 8220 KB Output is correct
56 Correct 188 ms 8132 KB Output is correct
57 Correct 188 ms 8128 KB Output is correct
58 Correct 129 ms 8132 KB Output is correct
59 Correct 152 ms 8160 KB Output is correct
60 Correct 1 ms 204 KB Output is correct
61 Correct 333 ms 15148 KB Output is correct
62 Correct 322 ms 15196 KB Output is correct
63 Correct 337 ms 15276 KB Output is correct
64 Correct 354 ms 15148 KB Output is correct
65 Correct 322 ms 15220 KB Output is correct
66 Correct 352 ms 15140 KB Output is correct
67 Correct 317 ms 15180 KB Output is correct
68 Correct 319 ms 13044 KB Output is correct
69 Correct 190 ms 8756 KB Output is correct
70 Correct 1 ms 204 KB Output is correct