oj.uz

Submission #877801

# Submission time Handle Problem Language Result Execution time Memory
877801 2023-11-23T14:55:35 Z mahmoudbadawy Arranging Shoes (IOI19_shoes) C++17
100 / 100
 235 ms 15020 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

const int N=2e5+5;

int btree[4*N];

void build(int node,int l,int r)
{
	if(l==r)
	{
		btree[node]=1;
		return;
	}
	int mid=(l+r)>>1;
	build(node<<1,l,mid);
	build((node<<1)|1,mid+1,r);
	btree[node]=btree[node<<1]+btree[(node<<1)|1];
}

void update(int node,int l,int r,int ind)
{
	if(r<ind||ind<l) return;
	if(l==r)
	{
		btree[node]=0;
		return;
	}
	int mid=(l+r)>>1;
	update(node<<1,l,mid,ind);
	update((node<<1)|1,mid+1,r,ind);
	btree[node]=btree[node<<1]+btree[(node<<1)|1];
}

int query(int node,int l,int r,int ql,int qr)
{
	if(r<ql||qr<l) return 0;
	if(ql<=l&&r<=qr) return btree[node];
	int mid=(l+r)>>1;
	return query(node<<1,l,mid,ql,qr)+query((node<<1)|1,mid+1,r,ql,qr);
}

long long count_swaps(std::vector<int> s) {
	set<pair<int,int> > ss;
	int n=s.size();
	for(int i=0;i<n;i++)
	{
		ss.insert({s[i],i});
	}
	build(1,0,n-1);
	long long ans=0;
	for(int i=0;i<n;i++)
	{
		if(ss.find({s[i],i})==ss.end()) continue;
		auto ot=*ss.lower_bound({-s[i],i});
		ans+=query(1,0,n-1,i+1,ot.second-1);
		ans+=s[i]>0;
		update(1,0,n-1,i);
		update(1,0,n-1,ot.second);
		ss.erase(ot);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 500 KB Output is correct
8 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 372 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 10 ms 3732 KB Output is correct
21 Correct 9 ms 3672 KB Output is correct
22 Correct 99 ms 13604 KB Output is correct
23 Correct 132 ms 14888 KB Output is correct
24 Correct 102 ms 14888 KB Output is correct
25 Correct 120 ms 14688 KB Output is correct
26 Correct 97 ms 14672 KB Output is correct
27 Correct 102 ms 14688 KB Output is correct
28 Correct 115 ms 14660 KB Output is correct
29 Correct 124 ms 14760 KB Output is correct
30 Correct 117 ms 14880 KB Output is correct
31 Correct 103 ms 14652 KB Output is correct
32 Correct 113 ms 14888 KB Output is correct
33 Correct 115 ms 14672 KB Output is correct
34 Correct 115 ms 14880 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 114 ms 14660 KB Output is correct
38 Correct 116 ms 14672 KB Output is correct
39 Correct 117 ms 14912 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 169 ms 13456 KB Output is correct
6 Correct 201 ms 14864 KB Output is correct
7 Correct 162 ms 14676 KB Output is correct
8 Correct 106 ms 14888 KB Output is correct
9 Correct 169 ms 14832 KB Output is correct
10 Correct 186 ms 14932 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 500 KB Output is correct
8 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 372 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 1 ms 348 KB Output is correct
46 Correct 1 ms 348 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 1 ms 348 KB Output is correct
49 Correct 2 ms 348 KB Output is correct
50 Correct 1 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 348 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 500 KB Output is correct
8 Correct 0 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 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 0 ms 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 372 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 344 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 344 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 344 KB Output is correct
53 Correct 1 ms 348 KB Output is correct
54 Correct 10 ms 3732 KB Output is correct
55 Correct 9 ms 3672 KB Output is correct
56 Correct 99 ms 13604 KB Output is correct
57 Correct 132 ms 14888 KB Output is correct
58 Correct 102 ms 14888 KB Output is correct
59 Correct 120 ms 14688 KB Output is correct
60 Correct 97 ms 14672 KB Output is correct
61 Correct 102 ms 14688 KB Output is correct
62 Correct 115 ms 14660 KB Output is correct
63 Correct 124 ms 14760 KB Output is correct
64 Correct 117 ms 14880 KB Output is correct
65 Correct 103 ms 14652 KB Output is correct
66 Correct 113 ms 14888 KB Output is correct
67 Correct 115 ms 14672 KB Output is correct
68 Correct 115 ms 14880 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 114 ms 14660 KB Output is correct
72 Correct 116 ms 14672 KB Output is correct
73 Correct 117 ms 14912 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 1 ms 344 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 0 ms 348 KB Output is correct
78 Correct 169 ms 13456 KB Output is correct
79 Correct 201 ms 14864 KB Output is correct
80 Correct 162 ms 14676 KB Output is correct
81 Correct 106 ms 14888 KB Output is correct
82 Correct 169 ms 14832 KB Output is correct
83 Correct 186 ms 14932 KB Output is correct
84 Correct 0 ms 344 KB Output is correct
85 Correct 0 ms 348 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 1 ms 348 KB Output is correct
89 Correct 1 ms 348 KB Output is correct
90 Correct 1 ms 348 KB Output is correct
91 Correct 1 ms 348 KB Output is correct
92 Correct 1 ms 348 KB Output is correct
93 Correct 1 ms 348 KB Output is correct
94 Correct 1 ms 348 KB Output is correct
95 Correct 1 ms 348 KB Output is correct
96 Correct 2 ms 348 KB Output is correct
97 Correct 1 ms 348 KB Output is correct
98 Correct 1 ms 348 KB Output is correct
99 Correct 1 ms 348 KB Output is correct
100 Correct 2 ms 348 KB Output is correct
101 Correct 15 ms 3864 KB Output is correct
102 Correct 16 ms 3676 KB Output is correct
103 Correct 231 ms 14844 KB Output is correct
104 Correct 180 ms 14928 KB Output is correct
105 Correct 216 ms 14860 KB Output is correct
106 Correct 172 ms 14808 KB Output is correct
107 Correct 200 ms 15020 KB Output is correct
108 Correct 167 ms 14860 KB Output is correct
109 Correct 103 ms 14684 KB Output is correct
110 Correct 119 ms 14732 KB Output is correct
111 Correct 203 ms 14864 KB Output is correct
112 Correct 235 ms 14676 KB Output is correct
113 Correct 196 ms 14860 KB Output is correct
114 Correct 186 ms 14676 KB Output is correct
115 Correct 162 ms 14856 KB Output is correct