oj.uz

답안 #876708

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
876708 2023-11-22T08:48:44 Z imarn Mountains (NOI20_mountains) C++14
100 / 100
 189 ms 15868 KB 
#include<bits/stdc++.h>
#define pb push_back
#define ll long long
#define f first
#define s second
#define sz(x) (int)x.size()
#define pii pair<ll,ll>
using namespace std;
const int N=3e5+5;
int fw[N]{0};
void add(int i){
    for(;i<N;i+=i&-i)fw[i]++;
}
int qr(int i,int res=0){
    for(;i;i-=i&-i)res+=fw[i];
    return res;
}
int main(){
    ios_base::sync_with_stdio(false);cin.tie(NULL);
    int n;cin>>n;vector<ll>b;
    ll a[n+1];for(int i=1;i<=n;i++)cin>>a[i],b.pb(a[i]);
    sort(b.begin(),b.end());b.erase(unique(b.begin(),b.end()),b.end());
    ll tt[n+1];
    for(int i=1;i<=n;i++){
        int idx=lower_bound(b.begin(),b.end(),a[i])-b.begin();
        tt[i] = qr(idx);add(idx+1);
    }ll ans=0;
    for(int i=1;i<=n;i++)fw[i]=0;
    for(int i=n;i>=1;i--){
        int idx=lower_bound(b.begin(),b.end(),a[i])-b.begin();
        tt[i] *= qr(idx);add(idx+1);ans+=tt[i];
    }cout<<ans;
}

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 86 ms 15696 KB Output is correct
3 Correct 98 ms 15076 KB Output is correct
4 Correct 88 ms 15488 KB Output is correct
5 Correct 89 ms 15312 KB Output is correct
6 Correct 94 ms 15784 KB Output is correct
7 Correct 85 ms 14812 KB Output is correct
8 Correct 94 ms 15292 KB Output is correct
9 Correct 83 ms 15720 KB Output is correct
10 Correct 81 ms 15360 KB Output is correct

Subtask #2
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 9420 KB Output is correct
2 Correct 43 ms 10176 KB Output is correct
3 Correct 42 ms 9268 KB Output is correct
4 Correct 43 ms 10436 KB Output is correct
5 Correct 42 ms 9516 KB Output is correct
6 Correct 41 ms 9680 KB Output is correct
7 Correct 44 ms 10720 KB Output is correct
8 Correct 40 ms 9156 KB Output is correct
9 Correct 41 ms 10692 KB Output is correct
10 Correct 0 ms 344 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 9420 KB Output is correct
2 Correct 43 ms 10176 KB Output is correct
3 Correct 42 ms 9268 KB Output is correct
4 Correct 43 ms 10436 KB Output is correct
5 Correct 42 ms 9516 KB Output is correct
6 Correct 41 ms 9680 KB Output is correct
7 Correct 44 ms 10720 KB Output is correct
8 Correct 40 ms 9156 KB Output is correct
9 Correct 41 ms 10692 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 61 ms 10744 KB Output is correct
12 Correct 60 ms 9572 KB Output is correct
13 Correct 65 ms 9564 KB Output is correct
14 Correct 60 ms 10124 KB Output is correct
15 Correct 70 ms 9472 KB Output is correct
16 Correct 67 ms 10924 KB Output is correct
17 Correct 67 ms 10992 KB Output is correct
18 Correct 38 ms 10560 KB Output is correct
19 Correct 38 ms 10716 KB Output is correct
20 Correct 1 ms 344 KB Output is correct

Subtask #4
36.0 / 36.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 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 1 ms 348 KB Output is correct

Subtask #5
28.0 / 28.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 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 1 ms 348 KB Output is correct
11 Correct 5 ms 860 KB Output is correct
12 Correct 5 ms 856 KB Output is correct
13 Correct 5 ms 860 KB Output is correct
14 Correct 4 ms 988 KB Output is correct
15 Correct 5 ms 864 KB Output is correct
16 Correct 5 ms 860 KB Output is correct
17 Correct 5 ms 856 KB Output is correct
18 Correct 6 ms 860 KB Output is correct
19 Correct 3 ms 932 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 9420 KB Output is correct
2 Correct 43 ms 10176 KB Output is correct
3 Correct 42 ms 9268 KB Output is correct
4 Correct 43 ms 10436 KB Output is correct
5 Correct 42 ms 9516 KB Output is correct
6 Correct 41 ms 9680 KB Output is correct
7 Correct 44 ms 10720 KB Output is correct
8 Correct 40 ms 9156 KB Output is correct
9 Correct 41 ms 10692 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Correct 61 ms 10744 KB Output is correct
12 Correct 60 ms 9572 KB Output is correct
13 Correct 65 ms 9564 KB Output is correct
14 Correct 60 ms 10124 KB Output is correct
15 Correct 70 ms 9472 KB Output is correct
16 Correct 67 ms 10924 KB Output is correct
17 Correct 67 ms 10992 KB Output is correct
18 Correct 38 ms 10560 KB Output is correct
19 Correct 38 ms 10716 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 133 ms 11996 KB Output is correct
22 Correct 133 ms 10644 KB Output is correct
23 Correct 132 ms 10512 KB Output is correct
24 Correct 143 ms 10720 KB Output is correct
25 Correct 130 ms 10688 KB Output is correct
26 Correct 131 ms 10280 KB Output is correct
27 Correct 140 ms 10428 KB Output is correct
28 Correct 61 ms 11352 KB Output is correct
29 Correct 68 ms 11984 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #7
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 86 ms 15696 KB Output is correct
3 Correct 98 ms 15076 KB Output is correct
4 Correct 88 ms 15488 KB Output is correct
5 Correct 89 ms 15312 KB Output is correct
6 Correct 94 ms 15784 KB Output is correct
7 Correct 85 ms 14812 KB Output is correct
8 Correct 94 ms 15292 KB Output is correct
9 Correct 83 ms 15720 KB Output is correct
10 Correct 81 ms 15360 KB Output is correct
11 Correct 42 ms 9420 KB Output is correct
12 Correct 43 ms 10176 KB Output is correct
13 Correct 42 ms 9268 KB Output is correct
14 Correct 43 ms 10436 KB Output is correct
15 Correct 42 ms 9516 KB Output is correct
16 Correct 41 ms 9680 KB Output is correct
17 Correct 44 ms 10720 KB Output is correct
18 Correct 40 ms 9156 KB Output is correct
19 Correct 41 ms 10692 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 61 ms 10744 KB Output is correct
22 Correct 60 ms 9572 KB Output is correct
23 Correct 65 ms 9564 KB Output is correct
24 Correct 60 ms 10124 KB Output is correct
25 Correct 70 ms 9472 KB Output is correct
26 Correct 67 ms 10924 KB Output is correct
27 Correct 67 ms 10992 KB Output is correct
28 Correct 38 ms 10560 KB Output is correct
29 Correct 38 ms 10716 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 344 KB Output is correct
33 Correct 1 ms 600 KB Output is correct
34 Correct 1 ms 344 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 1 ms 348 KB Output is correct
41 Correct 5 ms 860 KB Output is correct
42 Correct 5 ms 856 KB Output is correct
43 Correct 5 ms 860 KB Output is correct
44 Correct 4 ms 988 KB Output is correct
45 Correct 5 ms 864 KB Output is correct
46 Correct 5 ms 860 KB Output is correct
47 Correct 5 ms 856 KB Output is correct
48 Correct 6 ms 860 KB Output is correct
49 Correct 3 ms 932 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 133 ms 11996 KB Output is correct
52 Correct 133 ms 10644 KB Output is correct
53 Correct 132 ms 10512 KB Output is correct
54 Correct 143 ms 10720 KB Output is correct
55 Correct 130 ms 10688 KB Output is correct
56 Correct 131 ms 10280 KB Output is correct
57 Correct 140 ms 10428 KB Output is correct
58 Correct 61 ms 11352 KB Output is correct
59 Correct 68 ms 11984 KB Output is correct
60 Correct 1 ms 348 KB Output is correct
61 Correct 177 ms 15148 KB Output is correct
62 Correct 177 ms 15580 KB Output is correct
63 Correct 189 ms 14848 KB Output is correct
64 Correct 162 ms 14784 KB Output is correct
65 Correct 157 ms 14424 KB Output is correct
66 Correct 167 ms 14336 KB Output is correct
67 Correct 156 ms 14336 KB Output is correct
68 Correct 157 ms 15868 KB Output is correct
69 Correct 135 ms 10692 KB Output is correct
70 Correct 0 ms 348 KB Output is correct