oj.uz

Submission #535415

# Submission time Handle Problem Language Result Execution time Memory
535415 2022-03-10T09:07:05 Z mario05092929 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 235 ms 142220 KB 
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int n,cnt,g;
int a[200005],c[200005],t[800005];
queue <int> wi[200005];

int query(int x,int l,int r,int rl,int rr) {
    if(rl > r||l > rr) return 0;
    if(rl <= l&&r <= rr) return t[x];
    int mid = (l + r) >> 1;
    return query(x*2,l,mid,rl,rr)+query(x*2+1,mid+1,r,rl,rr);
}

void update(int x,int l,int r,int wi) {
    if(wi < l||r < wi) return;
    if(l == r) {
        t[x] = 1; return;
    }
    int mid = (l + r) >> 1;
    update(x*2,l,mid,wi), update(x*2+1,mid+1,r,wi);
    t[x] = t[x*2]+t[x*2+1];
}

ll count_swaps(vector <int> s) {
    n = s.size(); n /= 2;
    for(int i = 1;i <= 2*n;i++) a[i] = s[i-1];
    for(int i = 1;i <= 2*n;i++) {
        wi[a[i]+n].push(i);
    }
    ll ans = 0;
    for(int i = 1;i <= 2*n;i++) {
        if(c[i]) continue;
        int x = a[i];
        //cout << i << ' ' << wi[-x+n].front() << '\n';
        if(x < 0) {
            ans += wi[-x+n].front()-i-query(1,1,2*n,i+1,wi[-x+n].front())-1;
        }
        else {
            ans += wi[-x+n].front()-i-query(1,1,2*n,i+1,wi[-x+n].front());
        }
        update(1,1,2*n,wi[-x+n].front());
        update(1,1,2*n,i);
        c[i] = c[wi[-x+n].front()] = 1;
        wi[-x+n].pop();
        wi[x+n].pop();
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 134860 KB Output is correct
2 Correct 75 ms 134848 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 134860 KB Output is correct
2 Correct 75 ms 134848 KB Output is correct
3 Correct 87 ms 134888 KB Output is correct
4 Correct 88 ms 134924 KB Output is correct
5 Correct 76 ms 134940 KB Output is correct
6 Correct 79 ms 134944 KB Output is correct
7 Correct 77 ms 134860 KB Output is correct
8 Correct 76 ms 134900 KB Output is correct
9 Correct 88 ms 134908 KB Output is correct
10 Correct 81 ms 134860 KB Output is correct
11 Correct 79 ms 134868 KB Output is correct
12 Correct 80 ms 134860 KB Output is correct
13 Correct 80 ms 134848 KB Output is correct
14 Correct 79 ms 134876 KB Output is correct
15 Correct 86 ms 134840 KB Output is correct
16 Correct 79 ms 134860 KB Output is correct
17 Correct 80 ms 134860 KB Output is correct
18 Correct 80 ms 134840 KB Output is correct
19 Correct 76 ms 134860 KB Output is correct
20 Correct 78 ms 134988 KB Output is correct
21 Correct 79 ms 134920 KB Output is correct
22 Correct 84 ms 134940 KB Output is correct
23 Correct 78 ms 134868 KB Output is correct
24 Correct 75 ms 134896 KB Output is correct
25 Correct 79 ms 134860 KB Output is correct
26 Correct 86 ms 134860 KB Output is correct
27 Correct 78 ms 134936 KB Output is correct
28 Correct 78 ms 134872 KB Output is correct
29 Correct 80 ms 134844 KB Output is correct
30 Correct 81 ms 134844 KB Output is correct
31 Correct 81 ms 134840 KB Output is correct
32 Correct 77 ms 134860 KB Output is correct
33 Correct 78 ms 134912 KB Output is correct
34 Correct 78 ms 135036 KB Output is correct
35 Correct 84 ms 134920 KB Output is correct
36 Correct 91 ms 134864 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 134860 KB Output is correct
2 Correct 75 ms 134848 KB Output is correct
3 Correct 78 ms 134948 KB Output is correct
4 Correct 81 ms 134928 KB Output is correct
5 Correct 78 ms 134860 KB Output is correct
6 Correct 81 ms 134892 KB Output is correct
7 Correct 77 ms 134860 KB Output is correct
8 Correct 76 ms 134852 KB Output is correct
9 Correct 77 ms 134944 KB Output is correct
10 Correct 78 ms 134932 KB Output is correct
11 Correct 79 ms 134888 KB Output is correct
12 Correct 86 ms 134836 KB Output is correct
13 Correct 78 ms 134920 KB Output is correct
14 Correct 86 ms 134932 KB Output is correct
15 Correct 90 ms 134904 KB Output is correct
16 Correct 83 ms 134860 KB Output is correct
17 Correct 85 ms 134860 KB Output is correct
18 Correct 86 ms 134904 KB Output is correct
19 Correct 95 ms 134972 KB Output is correct
20 Correct 101 ms 135608 KB Output is correct
21 Correct 98 ms 135644 KB Output is correct
22 Correct 162 ms 142184 KB Output is correct
23 Correct 157 ms 142164 KB Output is correct
24 Correct 161 ms 142152 KB Output is correct
25 Correct 193 ms 142028 KB Output is correct
26 Correct 169 ms 142212 KB Output is correct
27 Correct 194 ms 141976 KB Output is correct
28 Correct 165 ms 142116 KB Output is correct
29 Correct 163 ms 142108 KB Output is correct
30 Correct 165 ms 142100 KB Output is correct
31 Correct 164 ms 142168 KB Output is correct
32 Correct 149 ms 142136 KB Output is correct
33 Correct 152 ms 141984 KB Output is correct
34 Correct 154 ms 142116 KB Output is correct
35 Correct 79 ms 134860 KB Output is correct
36 Correct 76 ms 134932 KB Output is correct
37 Correct 150 ms 142104 KB Output is correct
38 Correct 169 ms 142140 KB Output is correct
39 Correct 156 ms 142200 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 134844 KB Output is correct
2 Correct 86 ms 134860 KB Output is correct
3 Correct 81 ms 134860 KB Output is correct
4 Correct 76 ms 134896 KB Output is correct
5 Correct 184 ms 141376 KB Output is correct
6 Correct 166 ms 141260 KB Output is correct
7 Correct 179 ms 141304 KB Output is correct
8 Correct 158 ms 142144 KB Output is correct
9 Correct 215 ms 141352 KB Output is correct
10 Correct 189 ms 141260 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 134860 KB Output is correct
2 Correct 75 ms 134848 KB Output is correct
3 Correct 87 ms 134888 KB Output is correct
4 Correct 88 ms 134924 KB Output is correct
5 Correct 76 ms 134940 KB Output is correct
6 Correct 79 ms 134944 KB Output is correct
7 Correct 77 ms 134860 KB Output is correct
8 Correct 76 ms 134900 KB Output is correct
9 Correct 88 ms 134908 KB Output is correct
10 Correct 81 ms 134860 KB Output is correct
11 Correct 79 ms 134868 KB Output is correct
12 Correct 80 ms 134860 KB Output is correct
13 Correct 80 ms 134848 KB Output is correct
14 Correct 79 ms 134876 KB Output is correct
15 Correct 86 ms 134840 KB Output is correct
16 Correct 79 ms 134860 KB Output is correct
17 Correct 80 ms 134860 KB Output is correct
18 Correct 80 ms 134840 KB Output is correct
19 Correct 76 ms 134860 KB Output is correct
20 Correct 78 ms 134988 KB Output is correct
21 Correct 79 ms 134920 KB Output is correct
22 Correct 84 ms 134940 KB Output is correct
23 Correct 78 ms 134868 KB Output is correct
24 Correct 75 ms 134896 KB Output is correct
25 Correct 79 ms 134860 KB Output is correct
26 Correct 86 ms 134860 KB Output is correct
27 Correct 78 ms 134936 KB Output is correct
28 Correct 78 ms 134872 KB Output is correct
29 Correct 80 ms 134844 KB Output is correct
30 Correct 81 ms 134844 KB Output is correct
31 Correct 81 ms 134840 KB Output is correct
32 Correct 77 ms 134860 KB Output is correct
33 Correct 78 ms 134912 KB Output is correct
34 Correct 78 ms 135036 KB Output is correct
35 Correct 84 ms 134920 KB Output is correct
36 Correct 91 ms 134864 KB Output is correct
37 Correct 92 ms 134844 KB Output is correct
38 Correct 90 ms 134888 KB Output is correct
39 Correct 92 ms 134860 KB Output is correct
40 Correct 78 ms 134848 KB Output is correct
41 Correct 78 ms 134956 KB Output is correct
42 Correct 83 ms 134892 KB Output is correct
43 Correct 81 ms 134876 KB Output is correct
44 Correct 81 ms 135000 KB Output is correct
45 Correct 88 ms 134904 KB Output is correct
46 Correct 87 ms 134936 KB Output is correct
47 Correct 80 ms 134936 KB Output is correct
48 Correct 80 ms 134988 KB Output is correct
49 Correct 82 ms 134968 KB Output is correct
50 Correct 86 ms 134936 KB Output is correct
51 Correct 93 ms 134988 KB Output is correct
52 Correct 92 ms 134988 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 74 ms 134860 KB Output is correct
2 Correct 75 ms 134848 KB Output is correct
3 Correct 87 ms 134888 KB Output is correct
4 Correct 88 ms 134924 KB Output is correct
5 Correct 76 ms 134940 KB Output is correct
6 Correct 79 ms 134944 KB Output is correct
7 Correct 77 ms 134860 KB Output is correct
8 Correct 76 ms 134900 KB Output is correct
9 Correct 88 ms 134908 KB Output is correct
10 Correct 81 ms 134860 KB Output is correct
11 Correct 79 ms 134868 KB Output is correct
12 Correct 80 ms 134860 KB Output is correct
13 Correct 80 ms 134848 KB Output is correct
14 Correct 79 ms 134876 KB Output is correct
15 Correct 86 ms 134840 KB Output is correct
16 Correct 79 ms 134860 KB Output is correct
17 Correct 80 ms 134860 KB Output is correct
18 Correct 80 ms 134840 KB Output is correct
19 Correct 76 ms 134860 KB Output is correct
20 Correct 78 ms 134988 KB Output is correct
21 Correct 79 ms 134920 KB Output is correct
22 Correct 84 ms 134940 KB Output is correct
23 Correct 78 ms 134868 KB Output is correct
24 Correct 75 ms 134896 KB Output is correct
25 Correct 79 ms 134860 KB Output is correct
26 Correct 86 ms 134860 KB Output is correct
27 Correct 78 ms 134936 KB Output is correct
28 Correct 78 ms 134872 KB Output is correct
29 Correct 80 ms 134844 KB Output is correct
30 Correct 81 ms 134844 KB Output is correct
31 Correct 81 ms 134840 KB Output is correct
32 Correct 77 ms 134860 KB Output is correct
33 Correct 78 ms 134912 KB Output is correct
34 Correct 78 ms 135036 KB Output is correct
35 Correct 84 ms 134920 KB Output is correct
36 Correct 91 ms 134864 KB Output is correct
37 Correct 78 ms 134948 KB Output is correct
38 Correct 81 ms 134928 KB Output is correct
39 Correct 78 ms 134860 KB Output is correct
40 Correct 81 ms 134892 KB Output is correct
41 Correct 77 ms 134860 KB Output is correct
42 Correct 76 ms 134852 KB Output is correct
43 Correct 77 ms 134944 KB Output is correct
44 Correct 78 ms 134932 KB Output is correct
45 Correct 79 ms 134888 KB Output is correct
46 Correct 86 ms 134836 KB Output is correct
47 Correct 78 ms 134920 KB Output is correct
48 Correct 86 ms 134932 KB Output is correct
49 Correct 90 ms 134904 KB Output is correct
50 Correct 83 ms 134860 KB Output is correct
51 Correct 85 ms 134860 KB Output is correct
52 Correct 86 ms 134904 KB Output is correct
53 Correct 95 ms 134972 KB Output is correct
54 Correct 101 ms 135608 KB Output is correct
55 Correct 98 ms 135644 KB Output is correct
56 Correct 162 ms 142184 KB Output is correct
57 Correct 157 ms 142164 KB Output is correct
58 Correct 161 ms 142152 KB Output is correct
59 Correct 193 ms 142028 KB Output is correct
60 Correct 169 ms 142212 KB Output is correct
61 Correct 194 ms 141976 KB Output is correct
62 Correct 165 ms 142116 KB Output is correct
63 Correct 163 ms 142108 KB Output is correct
64 Correct 165 ms 142100 KB Output is correct
65 Correct 164 ms 142168 KB Output is correct
66 Correct 149 ms 142136 KB Output is correct
67 Correct 152 ms 141984 KB Output is correct
68 Correct 154 ms 142116 KB Output is correct
69 Correct 79 ms 134860 KB Output is correct
70 Correct 76 ms 134932 KB Output is correct
71 Correct 150 ms 142104 KB Output is correct
72 Correct 169 ms 142140 KB Output is correct
73 Correct 156 ms 142200 KB Output is correct
74 Correct 78 ms 134844 KB Output is correct
75 Correct 86 ms 134860 KB Output is correct
76 Correct 81 ms 134860 KB Output is correct
77 Correct 76 ms 134896 KB Output is correct
78 Correct 184 ms 141376 KB Output is correct
79 Correct 166 ms 141260 KB Output is correct
80 Correct 179 ms 141304 KB Output is correct
81 Correct 158 ms 142144 KB Output is correct
82 Correct 215 ms 141352 KB Output is correct
83 Correct 189 ms 141260 KB Output is correct
84 Correct 92 ms 134844 KB Output is correct
85 Correct 90 ms 134888 KB Output is correct
86 Correct 92 ms 134860 KB Output is correct
87 Correct 78 ms 134848 KB Output is correct
88 Correct 78 ms 134956 KB Output is correct
89 Correct 83 ms 134892 KB Output is correct
90 Correct 81 ms 134876 KB Output is correct
91 Correct 81 ms 135000 KB Output is correct
92 Correct 88 ms 134904 KB Output is correct
93 Correct 87 ms 134936 KB Output is correct
94 Correct 80 ms 134936 KB Output is correct
95 Correct 80 ms 134988 KB Output is correct
96 Correct 82 ms 134968 KB Output is correct
97 Correct 86 ms 134936 KB Output is correct
98 Correct 93 ms 134988 KB Output is correct
99 Correct 92 ms 134988 KB Output is correct
100 Correct 80 ms 134988 KB Output is correct
101 Correct 117 ms 135684 KB Output is correct
102 Correct 96 ms 135584 KB Output is correct
103 Correct 235 ms 141372 KB Output is correct
104 Correct 202 ms 141352 KB Output is correct
105 Correct 215 ms 141376 KB Output is correct
106 Correct 195 ms 141276 KB Output is correct
107 Correct 187 ms 141316 KB Output is correct
108 Correct 200 ms 141264 KB Output is correct
109 Correct 171 ms 142124 KB Output is correct
110 Correct 182 ms 142220 KB Output is correct
111 Correct 224 ms 141304 KB Output is correct
112 Correct 209 ms 141372 KB Output is correct
113 Correct 206 ms 141360 KB Output is correct
114 Correct 211 ms 141452 KB Output is correct
115 Correct 225 ms 141328 KB Output is correct