oj.uz

Submission #821324

# Submission time Handle Problem Language Result Execution time Memory
821324 2023-08-11T09:08:00 Z AlphaMale06 Arranging Shoes (IOI19_shoes) C++14
100 / 100
 183 ms 9880 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;
using ll = long long;
#define mp make_pair
#define F first
#define S second
#define pb push_back

const int N = 200010;
int st[4*N];

void Build(int node, int l, int r){
    if(l>r)return;
    if(l==r){
        st[node]=1;
        return;
    }
    int mid=(l+r)/2;
    Build(2*node+1, l, mid);
    Build(2*node+2, mid+1, r);
    st[node]=st[2*node+1]+st[2*node+2];
}

void Update(int node, int l, int r, int ind, int val){
    if(l>r || l>ind || r<ind)return;
    if(l==r){
        st[node]+=val;
        return;
    }
    int mid=(l+r)/2;
    Update(2*node+1, l, mid, ind, val);
    Update(2*node+2, mid+1, r, ind, val);
    st[node]=st[2*node+1]+st[2*node+2];
}

int Get(int node, int l, int r, int L, int R){
    if(l>r || l>R || r<L)return 0;
    else if(L<=l && R>=r){
        return st[node];
    }
    int mid=(l+r)/2;
    return Get(2*node+1, l, mid, L, R)+Get(2*node+2, mid+1, r, L, R);
}


long long count_swaps(std::vector<int> s) {
	int n=s.size();
    Build(0, 0, n-1);
    ll ans=0;
    set<pair<int, int>, less<pair<int, int>>> skup;
    for(int i=0; i< n; i++){
        if(skup.empty()){
            skup.insert(mp(s[i], i));
            continue;
        }
        auto ptr = skup.lower_bound(mp(-s[i], -1));
        pair<int, int> p=*ptr;
        if(ptr==skup.end()){
            skup.insert(mp(s[i], i));
        }
        else if(p.F != -s[i]){
            skup.insert(mp(s[i], i));
        }
        else{
            if(s[i]<0)ans++;
            ans+=Get(0, 0, n-1, p.S, i);
            ans-=2;
            Update(0, 0, n-1, i, -1);
            Update(0, 0, n-1, p.S, 1);
            skup.erase(skup.find(p));
        }
    }
    return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 224 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 7 ms 720 KB Output is correct
21 Correct 7 ms 720 KB Output is correct
22 Correct 89 ms 3924 KB Output is correct
23 Correct 61 ms 5188 KB Output is correct
24 Correct 69 ms 5176 KB Output is correct
25 Correct 115 ms 9688 KB Output is correct
26 Correct 77 ms 5196 KB Output is correct
27 Correct 58 ms 4912 KB Output is correct
28 Correct 96 ms 9792 KB Output is correct
29 Correct 96 ms 9804 KB Output is correct
30 Correct 91 ms 9780 KB Output is correct
31 Correct 81 ms 5176 KB Output is correct
32 Correct 97 ms 9760 KB Output is correct
33 Correct 97 ms 9732 KB Output is correct
34 Correct 94 ms 9788 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 94 ms 9820 KB Output is correct
38 Correct 92 ms 9768 KB Output is correct
39 Correct 96 ms 9864 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 125 ms 8612 KB Output is correct
6 Correct 129 ms 9748 KB Output is correct
7 Correct 132 ms 9764 KB Output is correct
8 Correct 88 ms 9880 KB Output is correct
9 Correct 131 ms 9752 KB Output is correct
10 Correct 137 ms 9768 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 0 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 0 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 2 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 260 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 256 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 0 ms 212 KB Output is correct
32 Correct 0 ms 212 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 0 ms 212 KB Output is correct
36 Correct 0 ms 212 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 0 ms 212 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 0 ms 212 KB Output is correct
41 Correct 0 ms 212 KB Output is correct
42 Correct 0 ms 212 KB Output is correct
43 Correct 0 ms 212 KB Output is correct
44 Correct 0 ms 212 KB Output is correct
45 Correct 0 ms 212 KB Output is correct
46 Correct 0 ms 212 KB Output is correct
47 Correct 0 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 0 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 0 ms 224 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 7 ms 720 KB Output is correct
55 Correct 7 ms 720 KB Output is correct
56 Correct 89 ms 3924 KB Output is correct
57 Correct 61 ms 5188 KB Output is correct
58 Correct 69 ms 5176 KB Output is correct
59 Correct 115 ms 9688 KB Output is correct
60 Correct 77 ms 5196 KB Output is correct
61 Correct 58 ms 4912 KB Output is correct
62 Correct 96 ms 9792 KB Output is correct
63 Correct 96 ms 9804 KB Output is correct
64 Correct 91 ms 9780 KB Output is correct
65 Correct 81 ms 5176 KB Output is correct
66 Correct 97 ms 9760 KB Output is correct
67 Correct 97 ms 9732 KB Output is correct
68 Correct 94 ms 9788 KB Output is correct
69 Correct 0 ms 212 KB Output is correct
70 Correct 0 ms 212 KB Output is correct
71 Correct 94 ms 9820 KB Output is correct
72 Correct 92 ms 9768 KB Output is correct
73 Correct 96 ms 9864 KB Output is correct
74 Correct 0 ms 212 KB Output is correct
75 Correct 0 ms 212 KB Output is correct
76 Correct 0 ms 212 KB Output is correct
77 Correct 1 ms 212 KB Output is correct
78 Correct 125 ms 8612 KB Output is correct
79 Correct 129 ms 9748 KB Output is correct
80 Correct 132 ms 9764 KB Output is correct
81 Correct 88 ms 9880 KB Output is correct
82 Correct 131 ms 9752 KB Output is correct
83 Correct 137 ms 9768 KB Output is correct
84 Correct 0 ms 212 KB Output is correct
85 Correct 0 ms 212 KB Output is correct
86 Correct 0 ms 212 KB Output is correct
87 Correct 1 ms 212 KB Output is correct
88 Correct 1 ms 340 KB Output is correct
89 Correct 1 ms 340 KB Output is correct
90 Correct 1 ms 340 KB Output is correct
91 Correct 1 ms 340 KB Output is correct
92 Correct 1 ms 212 KB Output is correct
93 Correct 1 ms 212 KB Output is correct
94 Correct 1 ms 340 KB Output is correct
95 Correct 1 ms 340 KB Output is correct
96 Correct 2 ms 340 KB Output is correct
97 Correct 1 ms 340 KB Output is correct
98 Correct 1 ms 340 KB Output is correct
99 Correct 1 ms 340 KB Output is correct
100 Correct 1 ms 340 KB Output is correct
101 Correct 11 ms 980 KB Output is correct
102 Correct 13 ms 928 KB Output is correct
103 Correct 143 ms 7512 KB Output is correct
104 Correct 60 ms 5184 KB Output is correct
105 Correct 94 ms 5204 KB Output is correct
106 Correct 127 ms 9856 KB Output is correct
107 Correct 93 ms 5156 KB Output is correct
108 Correct 58 ms 5184 KB Output is correct
109 Correct 91 ms 9880 KB Output is correct
110 Correct 91 ms 9880 KB Output is correct
111 Correct 124 ms 9860 KB Output is correct
112 Correct 143 ms 8828 KB Output is correct
113 Correct 183 ms 9784 KB Output is correct
114 Correct 133 ms 9860 KB Output is correct
115 Correct 136 ms 9864 KB Output is correct