oj.uz

답안 #757619

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
757619 2023-06-13T12:42:06 Z safaricola Arranging Shoes (IOI19_shoes) C++17
100 / 100
 170 ms 139456 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
#define rep(i,n) for(int i=1; i<=n; i++)
#define pb push_back
int fw[200010],n;
long long ans;
deque<int> nex[200010];
void upd(int x, int v){
    for(; x<200005; x+=x&-x)fw[x]+=v;
}
int sum(int x){
    int ret=0; 
    for(; x; x-=x&-x)ret+=fw[x];
    return ret;
}
long long count_swaps(vector<int> s) {
  n=s.size();
  rep(i,n)nex[100000+s[i-1]].pb(i);
  rep(i,n)upd(i,1);
  rep(i,n){
    int x=s[i-1];
    if(sum(i)-sum(i-1)==0)continue;
    if(x>0)ans++;
    nex[100000+x].pop_front();
    int j=nex[100000-x][0]; 
    nex[100000-x].pop_front();
    //cout<<j<<endl;
    ans+=sum(j)-sum(i)-1;
    upd(i,-1);
    upd(j,-1);
    //cout<<sum(j)-sum(j-1)<<endl;
    //cout<<ans<<endl;
  }
  return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 134840 KB Output is correct
2 Correct 78 ms 134860 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 134840 KB Output is correct
2 Correct 78 ms 134860 KB Output is correct
3 Correct 77 ms 134932 KB Output is correct
4 Correct 83 ms 134884 KB Output is correct
5 Correct 79 ms 134924 KB Output is correct
6 Correct 79 ms 134856 KB Output is correct
7 Correct 79 ms 134860 KB Output is correct
8 Correct 78 ms 134876 KB Output is correct
9 Correct 88 ms 134928 KB Output is correct
10 Correct 88 ms 134916 KB Output is correct
11 Correct 78 ms 134852 KB Output is correct
12 Correct 78 ms 134892 KB Output is correct
13 Correct 81 ms 134936 KB Output is correct
14 Correct 88 ms 134856 KB Output is correct
15 Correct 80 ms 134844 KB Output is correct
16 Correct 78 ms 134932 KB Output is correct
17 Correct 79 ms 134904 KB Output is correct
18 Correct 85 ms 134844 KB Output is correct
19 Correct 82 ms 134928 KB Output is correct
20 Correct 88 ms 134840 KB Output is correct
21 Correct 79 ms 134908 KB Output is correct
22 Correct 80 ms 134912 KB Output is correct
23 Correct 90 ms 134864 KB Output is correct
24 Correct 79 ms 134840 KB Output is correct
25 Correct 85 ms 134932 KB Output is correct
26 Correct 82 ms 134884 KB Output is correct
27 Correct 86 ms 134884 KB Output is correct
28 Correct 81 ms 134960 KB Output is correct
29 Correct 83 ms 134964 KB Output is correct
30 Correct 83 ms 134868 KB Output is correct
31 Correct 83 ms 134840 KB Output is correct
32 Correct 81 ms 134940 KB Output is correct
33 Correct 80 ms 134912 KB Output is correct
34 Correct 79 ms 134848 KB Output is correct
35 Correct 81 ms 134952 KB Output is correct
36 Correct 75 ms 134932 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 134840 KB Output is correct
2 Correct 78 ms 134860 KB Output is correct
3 Correct 99 ms 134928 KB Output is correct
4 Correct 87 ms 134928 KB Output is correct
5 Correct 79 ms 134872 KB Output is correct
6 Correct 78 ms 134884 KB Output is correct
7 Correct 84 ms 135052 KB Output is correct
8 Correct 87 ms 134864 KB Output is correct
9 Correct 89 ms 134860 KB Output is correct
10 Correct 91 ms 134856 KB Output is correct
11 Correct 76 ms 134936 KB Output is correct
12 Correct 80 ms 134860 KB Output is correct
13 Correct 79 ms 134960 KB Output is correct
14 Correct 87 ms 134972 KB Output is correct
15 Correct 82 ms 134868 KB Output is correct
16 Correct 79 ms 134848 KB Output is correct
17 Correct 87 ms 134896 KB Output is correct
18 Correct 85 ms 134976 KB Output is correct
19 Correct 86 ms 134972 KB Output is correct
20 Correct 85 ms 135288 KB Output is correct
21 Correct 86 ms 135324 KB Output is correct
22 Correct 121 ms 139356 KB Output is correct
23 Correct 115 ms 139308 KB Output is correct
24 Correct 125 ms 139288 KB Output is correct
25 Correct 119 ms 139144 KB Output is correct
26 Correct 117 ms 139296 KB Output is correct
27 Correct 120 ms 139192 KB Output is correct
28 Correct 115 ms 139276 KB Output is correct
29 Correct 115 ms 139292 KB Output is correct
30 Correct 119 ms 139336 KB Output is correct
31 Correct 121 ms 139332 KB Output is correct
32 Correct 115 ms 139384 KB Output is correct
33 Correct 115 ms 139100 KB Output is correct
34 Correct 127 ms 139456 KB Output is correct
35 Correct 82 ms 134964 KB Output is correct
36 Correct 79 ms 134932 KB Output is correct
37 Correct 123 ms 139260 KB Output is correct
38 Correct 133 ms 139292 KB Output is correct
39 Correct 122 ms 139416 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 82 ms 134932 KB Output is correct
2 Correct 84 ms 134928 KB Output is correct
3 Correct 82 ms 134944 KB Output is correct
4 Correct 84 ms 134868 KB Output is correct
5 Correct 155 ms 138524 KB Output is correct
6 Correct 121 ms 138536 KB Output is correct
7 Correct 170 ms 138524 KB Output is correct
8 Correct 128 ms 139392 KB Output is correct
9 Correct 153 ms 138612 KB Output is correct
10 Correct 150 ms 138416 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 134840 KB Output is correct
2 Correct 78 ms 134860 KB Output is correct
3 Correct 77 ms 134932 KB Output is correct
4 Correct 83 ms 134884 KB Output is correct
5 Correct 79 ms 134924 KB Output is correct
6 Correct 79 ms 134856 KB Output is correct
7 Correct 79 ms 134860 KB Output is correct
8 Correct 78 ms 134876 KB Output is correct
9 Correct 88 ms 134928 KB Output is correct
10 Correct 88 ms 134916 KB Output is correct
11 Correct 78 ms 134852 KB Output is correct
12 Correct 78 ms 134892 KB Output is correct
13 Correct 81 ms 134936 KB Output is correct
14 Correct 88 ms 134856 KB Output is correct
15 Correct 80 ms 134844 KB Output is correct
16 Correct 78 ms 134932 KB Output is correct
17 Correct 79 ms 134904 KB Output is correct
18 Correct 85 ms 134844 KB Output is correct
19 Correct 82 ms 134928 KB Output is correct
20 Correct 88 ms 134840 KB Output is correct
21 Correct 79 ms 134908 KB Output is correct
22 Correct 80 ms 134912 KB Output is correct
23 Correct 90 ms 134864 KB Output is correct
24 Correct 79 ms 134840 KB Output is correct
25 Correct 85 ms 134932 KB Output is correct
26 Correct 82 ms 134884 KB Output is correct
27 Correct 86 ms 134884 KB Output is correct
28 Correct 81 ms 134960 KB Output is correct
29 Correct 83 ms 134964 KB Output is correct
30 Correct 83 ms 134868 KB Output is correct
31 Correct 83 ms 134840 KB Output is correct
32 Correct 81 ms 134940 KB Output is correct
33 Correct 80 ms 134912 KB Output is correct
34 Correct 79 ms 134848 KB Output is correct
35 Correct 81 ms 134952 KB Output is correct
36 Correct 75 ms 134932 KB Output is correct
37 Correct 82 ms 134848 KB Output is correct
38 Correct 82 ms 134864 KB Output is correct
39 Correct 80 ms 134900 KB Output is correct
40 Correct 78 ms 134952 KB Output is correct
41 Correct 81 ms 134952 KB Output is correct
42 Correct 83 ms 134948 KB Output is correct
43 Correct 80 ms 134940 KB Output is correct
44 Correct 81 ms 134884 KB Output is correct
45 Correct 84 ms 134952 KB Output is correct
46 Correct 81 ms 134944 KB Output is correct
47 Correct 81 ms 134920 KB Output is correct
48 Correct 83 ms 134876 KB Output is correct
49 Correct 83 ms 134896 KB Output is correct
50 Correct 90 ms 134880 KB Output is correct
51 Correct 87 ms 134908 KB Output is correct
52 Correct 80 ms 134884 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 77 ms 134840 KB Output is correct
2 Correct 78 ms 134860 KB Output is correct
3 Correct 77 ms 134932 KB Output is correct
4 Correct 83 ms 134884 KB Output is correct
5 Correct 79 ms 134924 KB Output is correct
6 Correct 79 ms 134856 KB Output is correct
7 Correct 79 ms 134860 KB Output is correct
8 Correct 78 ms 134876 KB Output is correct
9 Correct 88 ms 134928 KB Output is correct
10 Correct 88 ms 134916 KB Output is correct
11 Correct 78 ms 134852 KB Output is correct
12 Correct 78 ms 134892 KB Output is correct
13 Correct 81 ms 134936 KB Output is correct
14 Correct 88 ms 134856 KB Output is correct
15 Correct 80 ms 134844 KB Output is correct
16 Correct 78 ms 134932 KB Output is correct
17 Correct 79 ms 134904 KB Output is correct
18 Correct 85 ms 134844 KB Output is correct
19 Correct 82 ms 134928 KB Output is correct
20 Correct 88 ms 134840 KB Output is correct
21 Correct 79 ms 134908 KB Output is correct
22 Correct 80 ms 134912 KB Output is correct
23 Correct 90 ms 134864 KB Output is correct
24 Correct 79 ms 134840 KB Output is correct
25 Correct 85 ms 134932 KB Output is correct
26 Correct 82 ms 134884 KB Output is correct
27 Correct 86 ms 134884 KB Output is correct
28 Correct 81 ms 134960 KB Output is correct
29 Correct 83 ms 134964 KB Output is correct
30 Correct 83 ms 134868 KB Output is correct
31 Correct 83 ms 134840 KB Output is correct
32 Correct 81 ms 134940 KB Output is correct
33 Correct 80 ms 134912 KB Output is correct
34 Correct 79 ms 134848 KB Output is correct
35 Correct 81 ms 134952 KB Output is correct
36 Correct 75 ms 134932 KB Output is correct
37 Correct 99 ms 134928 KB Output is correct
38 Correct 87 ms 134928 KB Output is correct
39 Correct 79 ms 134872 KB Output is correct
40 Correct 78 ms 134884 KB Output is correct
41 Correct 84 ms 135052 KB Output is correct
42 Correct 87 ms 134864 KB Output is correct
43 Correct 89 ms 134860 KB Output is correct
44 Correct 91 ms 134856 KB Output is correct
45 Correct 76 ms 134936 KB Output is correct
46 Correct 80 ms 134860 KB Output is correct
47 Correct 79 ms 134960 KB Output is correct
48 Correct 87 ms 134972 KB Output is correct
49 Correct 82 ms 134868 KB Output is correct
50 Correct 79 ms 134848 KB Output is correct
51 Correct 87 ms 134896 KB Output is correct
52 Correct 85 ms 134976 KB Output is correct
53 Correct 86 ms 134972 KB Output is correct
54 Correct 85 ms 135288 KB Output is correct
55 Correct 86 ms 135324 KB Output is correct
56 Correct 121 ms 139356 KB Output is correct
57 Correct 115 ms 139308 KB Output is correct
58 Correct 125 ms 139288 KB Output is correct
59 Correct 119 ms 139144 KB Output is correct
60 Correct 117 ms 139296 KB Output is correct
61 Correct 120 ms 139192 KB Output is correct
62 Correct 115 ms 139276 KB Output is correct
63 Correct 115 ms 139292 KB Output is correct
64 Correct 119 ms 139336 KB Output is correct
65 Correct 121 ms 139332 KB Output is correct
66 Correct 115 ms 139384 KB Output is correct
67 Correct 115 ms 139100 KB Output is correct
68 Correct 127 ms 139456 KB Output is correct
69 Correct 82 ms 134964 KB Output is correct
70 Correct 79 ms 134932 KB Output is correct
71 Correct 123 ms 139260 KB Output is correct
72 Correct 133 ms 139292 KB Output is correct
73 Correct 122 ms 139416 KB Output is correct
74 Correct 82 ms 134932 KB Output is correct
75 Correct 84 ms 134928 KB Output is correct
76 Correct 82 ms 134944 KB Output is correct
77 Correct 84 ms 134868 KB Output is correct
78 Correct 155 ms 138524 KB Output is correct
79 Correct 121 ms 138536 KB Output is correct
80 Correct 170 ms 138524 KB Output is correct
81 Correct 128 ms 139392 KB Output is correct
82 Correct 153 ms 138612 KB Output is correct
83 Correct 150 ms 138416 KB Output is correct
84 Correct 82 ms 134848 KB Output is correct
85 Correct 82 ms 134864 KB Output is correct
86 Correct 80 ms 134900 KB Output is correct
87 Correct 78 ms 134952 KB Output is correct
88 Correct 81 ms 134952 KB Output is correct
89 Correct 83 ms 134948 KB Output is correct
90 Correct 80 ms 134940 KB Output is correct
91 Correct 81 ms 134884 KB Output is correct
92 Correct 84 ms 134952 KB Output is correct
93 Correct 81 ms 134944 KB Output is correct
94 Correct 81 ms 134920 KB Output is correct
95 Correct 83 ms 134876 KB Output is correct
96 Correct 83 ms 134896 KB Output is correct
97 Correct 90 ms 134880 KB Output is correct
98 Correct 87 ms 134908 KB Output is correct
99 Correct 80 ms 134884 KB Output is correct
100 Correct 81 ms 134876 KB Output is correct
101 Correct 89 ms 135240 KB Output is correct
102 Correct 91 ms 135228 KB Output is correct
103 Correct 157 ms 138444 KB Output is correct
104 Correct 153 ms 138416 KB Output is correct
105 Correct 156 ms 138472 KB Output is correct
106 Correct 153 ms 138648 KB Output is correct
107 Correct 138 ms 138444 KB Output is correct
108 Correct 147 ms 138524 KB Output is correct
109 Correct 122 ms 139292 KB Output is correct
110 Correct 118 ms 139296 KB Output is correct
111 Correct 151 ms 138484 KB Output is correct
112 Correct 153 ms 138532 KB Output is correct
113 Correct 125 ms 138444 KB Output is correct
114 Correct 153 ms 138616 KB Output is correct
115 Correct 150 ms 138524 KB Output is correct