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답안 #1088283

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1088283 2024-09-14T07:55:57 Z whtth Mountains (NOI20_mountains) C++14
100 / 100
 419 ms 41820 KB 
#include <bits/stdc++.h>
using namespace std;
long long n, h[300010], ans=0, bit[2][300010], f[300010], cnt=0;\
unordered_map<long long, int> g;
void add(long long i, long long v, long long id){
    while(i<=cnt){
        bit[id][i]+=v;
        i+=i&-i;
    }
}
long long sum(long long i, long long id){
    long long s=0;
    while(i>0){
        s+=bit[id][i];
        i-=i&-i;
    }
    return s;
}
set<long long> thutu;
int main(){
    //freopen("mountains.inp", "r", stdin);
    //freopen("mountains.out", "w", stdout);
    cin>>n;
    for(int i=1;i<=n;i++)cin>>h[i], thutu.insert(h[i]);
    for(auto x : thutu){
        cnt++;
        f[cnt]=x;
        g[x]=cnt;
    }
    add(g[h[1]], 1, 0);
    for(int i=3;i<=n;i++){
        add(g[h[i]], 1, 1);
    }
    for(int i=2;i<n;i++){
        ans+=(sum(g[h[i]]-1, 0)*sum(g[h[i]]-1, 1));
        add(g[h[i]], 1, 0);
        add(g[h[i+1]], -1, 1);
    }
    cout<<ans;
    return 0;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 279 ms 41340 KB Output is correct
3 Correct 301 ms 41336 KB Output is correct
4 Correct 284 ms 41532 KB Output is correct
5 Correct 274 ms 41356 KB Output is correct
6 Correct 294 ms 41336 KB Output is correct
7 Correct 282 ms 41340 KB Output is correct
8 Correct 294 ms 41336 KB Output is correct
9 Correct 212 ms 25408 KB Output is correct
10 Correct 213 ms 25288 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 3160 KB Output is correct
2 Correct 45 ms 3152 KB Output is correct
3 Correct 42 ms 3368 KB Output is correct
4 Correct 38 ms 3152 KB Output is correct
5 Correct 38 ms 3164 KB Output is correct
6 Correct 40 ms 3160 KB Output is correct
7 Correct 39 ms 3160 KB Output is correct
8 Correct 31 ms 3160 KB Output is correct
9 Correct 31 ms 3164 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 3160 KB Output is correct
2 Correct 45 ms 3152 KB Output is correct
3 Correct 42 ms 3368 KB Output is correct
4 Correct 38 ms 3152 KB Output is correct
5 Correct 38 ms 3164 KB Output is correct
6 Correct 40 ms 3160 KB Output is correct
7 Correct 39 ms 3160 KB Output is correct
8 Correct 31 ms 3160 KB Output is correct
9 Correct 31 ms 3164 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 60 ms 3412 KB Output is correct
12 Correct 55 ms 3588 KB Output is correct
13 Correct 54 ms 3640 KB Output is correct
14 Correct 54 ms 3400 KB Output is correct
15 Correct 57 ms 3412 KB Output is correct
16 Correct 56 ms 3420 KB Output is correct
17 Correct 56 ms 3536 KB Output is correct
18 Correct 44 ms 3412 KB Output is correct
19 Correct 43 ms 3408 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 9 ms 1880 KB Output is correct
12 Correct 9 ms 1616 KB Output is correct
13 Correct 10 ms 1624 KB Output is correct
14 Correct 11 ms 1628 KB Output is correct
15 Correct 9 ms 1628 KB Output is correct
16 Correct 11 ms 1692 KB Output is correct
17 Correct 9 ms 1628 KB Output is correct
18 Correct 8 ms 1200 KB Output is correct
19 Correct 3 ms 456 KB Output is correct
20 Correct 0 ms 348 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 3160 KB Output is correct
2 Correct 45 ms 3152 KB Output is correct
3 Correct 42 ms 3368 KB Output is correct
4 Correct 38 ms 3152 KB Output is correct
5 Correct 38 ms 3164 KB Output is correct
6 Correct 40 ms 3160 KB Output is correct
7 Correct 39 ms 3160 KB Output is correct
8 Correct 31 ms 3160 KB Output is correct
9 Correct 31 ms 3164 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 60 ms 3412 KB Output is correct
12 Correct 55 ms 3588 KB Output is correct
13 Correct 54 ms 3640 KB Output is correct
14 Correct 54 ms 3400 KB Output is correct
15 Correct 57 ms 3412 KB Output is correct
16 Correct 56 ms 3420 KB Output is correct
17 Correct 56 ms 3536 KB Output is correct
18 Correct 44 ms 3412 KB Output is correct
19 Correct 43 ms 3408 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 170 ms 15296 KB Output is correct
22 Correct 167 ms 15384 KB Output is correct
23 Correct 157 ms 15408 KB Output is correct
24 Correct 163 ms 15300 KB Output is correct
25 Correct 166 ms 15336 KB Output is correct
26 Correct 169 ms 15556 KB Output is correct
27 Correct 172 ms 15364 KB Output is correct
28 Correct 112 ms 15304 KB Output is correct
29 Correct 109 ms 15300 KB Output is correct
30 Correct 0 ms 348 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 279 ms 41340 KB Output is correct
3 Correct 301 ms 41336 KB Output is correct
4 Correct 284 ms 41532 KB Output is correct
5 Correct 274 ms 41356 KB Output is correct
6 Correct 294 ms 41336 KB Output is correct
7 Correct 282 ms 41340 KB Output is correct
8 Correct 294 ms 41336 KB Output is correct
9 Correct 212 ms 25408 KB Output is correct
10 Correct 213 ms 25288 KB Output is correct
11 Correct 42 ms 3160 KB Output is correct
12 Correct 45 ms 3152 KB Output is correct
13 Correct 42 ms 3368 KB Output is correct
14 Correct 38 ms 3152 KB Output is correct
15 Correct 38 ms 3164 KB Output is correct
16 Correct 40 ms 3160 KB Output is correct
17 Correct 39 ms 3160 KB Output is correct
18 Correct 31 ms 3160 KB Output is correct
19 Correct 31 ms 3164 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 60 ms 3412 KB Output is correct
22 Correct 55 ms 3588 KB Output is correct
23 Correct 54 ms 3640 KB Output is correct
24 Correct 54 ms 3400 KB Output is correct
25 Correct 57 ms 3412 KB Output is correct
26 Correct 56 ms 3420 KB Output is correct
27 Correct 56 ms 3536 KB Output is correct
28 Correct 44 ms 3412 KB Output is correct
29 Correct 43 ms 3408 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 1 ms 344 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 9 ms 1880 KB Output is correct
42 Correct 9 ms 1616 KB Output is correct
43 Correct 10 ms 1624 KB Output is correct
44 Correct 11 ms 1628 KB Output is correct
45 Correct 9 ms 1628 KB Output is correct
46 Correct 11 ms 1692 KB Output is correct
47 Correct 9 ms 1628 KB Output is correct
48 Correct 8 ms 1200 KB Output is correct
49 Correct 3 ms 456 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 170 ms 15296 KB Output is correct
52 Correct 167 ms 15384 KB Output is correct
53 Correct 157 ms 15408 KB Output is correct
54 Correct 163 ms 15300 KB Output is correct
55 Correct 166 ms 15336 KB Output is correct
56 Correct 169 ms 15556 KB Output is correct
57 Correct 172 ms 15364 KB Output is correct
58 Correct 112 ms 15304 KB Output is correct
59 Correct 109 ms 15300 KB Output is correct
60 Correct 0 ms 348 KB Output is correct
61 Correct 397 ms 41820 KB Output is correct
62 Correct 410 ms 41424 KB Output is correct
63 Correct 401 ms 41592 KB Output is correct
64 Correct 379 ms 41336 KB Output is correct
65 Correct 419 ms 41380 KB Output is correct
66 Correct 400 ms 41452 KB Output is correct
67 Correct 396 ms 41588 KB Output is correct
68 Correct 279 ms 25296 KB Output is correct
69 Correct 174 ms 19020 KB Output is correct
70 Correct 1 ms 344 KB Output is correct