oj.uz

Submission #423451

# Submission time Handle Problem Language Result Execution time Memory
423451 2021-06-11T06:46:10 Z Jasiekstrz Arranging Shoes (IOI19_shoes) C++17
100 / 100
 111 ms 20624 KB 
#include<bits/stdc++.h>
#include "shoes.h"
using namespace std;
const int N=2e5;
const int PP=3e5;
vector<int> cup[2*N+10];
bool vis[N+10];
int pot;
int tree[2*PP+10];
void add_t(int l,int r,long long c)
{
	for(l+=pot-1,r+=pot-1;l<=r;l/=2,r/=2)
	{
		if(l%2==1)
			tree[l++]+=c;
		if(r%2==0)
			tree[r--]+=c;
	}
	return;
}
long long read_t(int x)
{
	long long ans=0;
	for(x+=pot-1;x>0;x/=2)
		ans+=tree[x];
	return ans;
}
long long count_swaps(vector<int> s)
{
	int n=s.size();
	long long ans=0;
	for(int i=n-1;i>=0;i--)
		cup[N+s[i]].push_back(i+1);
	for(pot=1;pot<n;pot*=2);
	for(int i=1;i<=n;i++)
		tree[pot+i-1]=i-1;
	for(int i=1;i<=n;i++)
	{
		if(vis[i])
			continue;
		int val=s[i-1];
		int j=cup[N-val].back();
		//cerr<<val<<" "<<i<<" "<<j<<"\n";
		cup[N+val].pop_back();
		cup[N-val].pop_back();
		vis[i]=vis[j]=true;
		ans+=read_t(j);
		if(val<0)
			ans--;
		add_t(i,pot,-1);
		add_t(j,pot,-1);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 6 ms 9676 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 6 ms 9676 KB Output is correct
3 Correct 6 ms 9696 KB Output is correct
4 Correct 6 ms 9676 KB Output is correct
5 Correct 6 ms 9692 KB Output is correct
6 Correct 6 ms 9688 KB Output is correct
7 Correct 6 ms 9688 KB Output is correct
8 Correct 6 ms 9688 KB Output is correct
9 Correct 6 ms 9692 KB Output is correct
10 Correct 6 ms 9696 KB Output is correct
11 Correct 7 ms 9676 KB Output is correct
12 Correct 6 ms 9620 KB Output is correct
13 Correct 6 ms 9696 KB Output is correct
14 Correct 7 ms 9676 KB Output is correct
15 Correct 8 ms 9676 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 6 ms 9676 KB Output is correct
19 Correct 6 ms 9676 KB Output is correct
20 Correct 6 ms 9652 KB Output is correct
21 Correct 6 ms 9612 KB Output is correct
22 Correct 6 ms 9676 KB Output is correct
23 Correct 6 ms 9676 KB Output is correct
24 Correct 6 ms 9676 KB Output is correct
25 Correct 6 ms 9676 KB Output is correct
26 Correct 6 ms 9676 KB Output is correct
27 Correct 6 ms 9676 KB Output is correct
28 Correct 6 ms 9692 KB Output is correct
29 Correct 6 ms 9676 KB Output is correct
30 Correct 6 ms 9676 KB Output is correct
31 Correct 6 ms 9692 KB Output is correct
32 Correct 8 ms 9676 KB Output is correct
33 Correct 6 ms 9676 KB Output is correct
34 Correct 6 ms 9676 KB Output is correct
35 Correct 6 ms 9676 KB Output is correct
36 Correct 6 ms 9676 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 6 ms 9676 KB Output is correct
3 Correct 5 ms 9676 KB Output is correct
4 Correct 6 ms 9676 KB Output is correct
5 Correct 6 ms 9692 KB Output is correct
6 Correct 7 ms 9676 KB Output is correct
7 Correct 6 ms 9676 KB Output is correct
8 Correct 6 ms 9676 KB Output is correct
9 Correct 7 ms 9692 KB Output is correct
10 Correct 6 ms 9676 KB Output is correct
11 Correct 6 ms 9676 KB Output is correct
12 Correct 6 ms 9692 KB Output is correct
13 Correct 7 ms 9676 KB Output is correct
14 Correct 6 ms 9640 KB Output is correct
15 Correct 7 ms 9692 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 6 ms 9676 KB Output is correct
19 Correct 6 ms 9676 KB Output is correct
20 Correct 11 ms 10240 KB Output is correct
21 Correct 12 ms 10316 KB Output is correct
22 Correct 58 ms 15212 KB Output is correct
23 Correct 53 ms 15288 KB Output is correct
24 Correct 57 ms 15152 KB Output is correct
25 Correct 59 ms 14928 KB Output is correct
26 Correct 55 ms 15288 KB Output is correct
27 Correct 61 ms 15060 KB Output is correct
28 Correct 57 ms 15196 KB Output is correct
29 Correct 52 ms 15212 KB Output is correct
30 Correct 66 ms 15196 KB Output is correct
31 Correct 55 ms 15200 KB Output is correct
32 Correct 54 ms 15096 KB Output is correct
33 Correct 53 ms 14928 KB Output is correct
34 Correct 53 ms 15164 KB Output is correct
35 Correct 6 ms 9676 KB Output is correct
36 Correct 6 ms 9676 KB Output is correct
37 Correct 53 ms 15160 KB Output is correct
38 Correct 53 ms 15188 KB Output is correct
39 Correct 56 ms 15184 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 6 ms 9676 KB Output is correct
3 Correct 5 ms 9676 KB Output is correct
4 Correct 6 ms 9692 KB Output is correct
5 Correct 83 ms 20436 KB Output is correct
6 Correct 90 ms 15696 KB Output is correct
7 Correct 83 ms 20440 KB Output is correct
8 Correct 53 ms 15152 KB Output is correct
9 Correct 78 ms 20504 KB Output is correct
10 Correct 83 ms 17352 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 6 ms 9676 KB Output is correct
3 Correct 6 ms 9696 KB Output is correct
4 Correct 6 ms 9676 KB Output is correct
5 Correct 6 ms 9692 KB Output is correct
6 Correct 6 ms 9688 KB Output is correct
7 Correct 6 ms 9688 KB Output is correct
8 Correct 6 ms 9688 KB Output is correct
9 Correct 6 ms 9692 KB Output is correct
10 Correct 6 ms 9696 KB Output is correct
11 Correct 7 ms 9676 KB Output is correct
12 Correct 6 ms 9620 KB Output is correct
13 Correct 6 ms 9696 KB Output is correct
14 Correct 7 ms 9676 KB Output is correct
15 Correct 8 ms 9676 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 6 ms 9676 KB Output is correct
19 Correct 6 ms 9676 KB Output is correct
20 Correct 6 ms 9652 KB Output is correct
21 Correct 6 ms 9612 KB Output is correct
22 Correct 6 ms 9676 KB Output is correct
23 Correct 6 ms 9676 KB Output is correct
24 Correct 6 ms 9676 KB Output is correct
25 Correct 6 ms 9676 KB Output is correct
26 Correct 6 ms 9676 KB Output is correct
27 Correct 6 ms 9676 KB Output is correct
28 Correct 6 ms 9692 KB Output is correct
29 Correct 6 ms 9676 KB Output is correct
30 Correct 6 ms 9676 KB Output is correct
31 Correct 6 ms 9692 KB Output is correct
32 Correct 8 ms 9676 KB Output is correct
33 Correct 6 ms 9676 KB Output is correct
34 Correct 6 ms 9676 KB Output is correct
35 Correct 6 ms 9676 KB Output is correct
36 Correct 6 ms 9676 KB Output is correct
37 Correct 6 ms 9676 KB Output is correct
38 Correct 6 ms 9676 KB Output is correct
39 Correct 6 ms 9676 KB Output is correct
40 Correct 7 ms 9708 KB Output is correct
41 Correct 7 ms 9732 KB Output is correct
42 Correct 7 ms 9692 KB Output is correct
43 Correct 7 ms 9696 KB Output is correct
44 Correct 6 ms 9676 KB Output is correct
45 Correct 6 ms 9696 KB Output is correct
46 Correct 6 ms 9676 KB Output is correct
47 Correct 6 ms 9676 KB Output is correct
48 Correct 6 ms 9664 KB Output is correct
49 Correct 6 ms 9748 KB Output is correct
50 Correct 8 ms 9696 KB Output is correct
51 Correct 7 ms 9696 KB Output is correct
52 Correct 6 ms 9712 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9676 KB Output is correct
2 Correct 6 ms 9676 KB Output is correct
3 Correct 6 ms 9696 KB Output is correct
4 Correct 6 ms 9676 KB Output is correct
5 Correct 6 ms 9692 KB Output is correct
6 Correct 6 ms 9688 KB Output is correct
7 Correct 6 ms 9688 KB Output is correct
8 Correct 6 ms 9688 KB Output is correct
9 Correct 6 ms 9692 KB Output is correct
10 Correct 6 ms 9696 KB Output is correct
11 Correct 7 ms 9676 KB Output is correct
12 Correct 6 ms 9620 KB Output is correct
13 Correct 6 ms 9696 KB Output is correct
14 Correct 7 ms 9676 KB Output is correct
15 Correct 8 ms 9676 KB Output is correct
16 Correct 6 ms 9676 KB Output is correct
17 Correct 6 ms 9676 KB Output is correct
18 Correct 6 ms 9676 KB Output is correct
19 Correct 6 ms 9676 KB Output is correct
20 Correct 6 ms 9652 KB Output is correct
21 Correct 6 ms 9612 KB Output is correct
22 Correct 6 ms 9676 KB Output is correct
23 Correct 6 ms 9676 KB Output is correct
24 Correct 6 ms 9676 KB Output is correct
25 Correct 6 ms 9676 KB Output is correct
26 Correct 6 ms 9676 KB Output is correct
27 Correct 6 ms 9676 KB Output is correct
28 Correct 6 ms 9692 KB Output is correct
29 Correct 6 ms 9676 KB Output is correct
30 Correct 6 ms 9676 KB Output is correct
31 Correct 6 ms 9692 KB Output is correct
32 Correct 8 ms 9676 KB Output is correct
33 Correct 6 ms 9676 KB Output is correct
34 Correct 6 ms 9676 KB Output is correct
35 Correct 6 ms 9676 KB Output is correct
36 Correct 6 ms 9676 KB Output is correct
37 Correct 5 ms 9676 KB Output is correct
38 Correct 6 ms 9676 KB Output is correct
39 Correct 6 ms 9692 KB Output is correct
40 Correct 7 ms 9676 KB Output is correct
41 Correct 6 ms 9676 KB Output is correct
42 Correct 6 ms 9676 KB Output is correct
43 Correct 7 ms 9692 KB Output is correct
44 Correct 6 ms 9676 KB Output is correct
45 Correct 6 ms 9676 KB Output is correct
46 Correct 6 ms 9692 KB Output is correct
47 Correct 7 ms 9676 KB Output is correct
48 Correct 6 ms 9640 KB Output is correct
49 Correct 7 ms 9692 KB Output is correct
50 Correct 6 ms 9676 KB Output is correct
51 Correct 6 ms 9676 KB Output is correct
52 Correct 6 ms 9676 KB Output is correct
53 Correct 6 ms 9676 KB Output is correct
54 Correct 11 ms 10240 KB Output is correct
55 Correct 12 ms 10316 KB Output is correct
56 Correct 58 ms 15212 KB Output is correct
57 Correct 53 ms 15288 KB Output is correct
58 Correct 57 ms 15152 KB Output is correct
59 Correct 59 ms 14928 KB Output is correct
60 Correct 55 ms 15288 KB Output is correct
61 Correct 61 ms 15060 KB Output is correct
62 Correct 57 ms 15196 KB Output is correct
63 Correct 52 ms 15212 KB Output is correct
64 Correct 66 ms 15196 KB Output is correct
65 Correct 55 ms 15200 KB Output is correct
66 Correct 54 ms 15096 KB Output is correct
67 Correct 53 ms 14928 KB Output is correct
68 Correct 53 ms 15164 KB Output is correct
69 Correct 6 ms 9676 KB Output is correct
70 Correct 6 ms 9676 KB Output is correct
71 Correct 53 ms 15160 KB Output is correct
72 Correct 53 ms 15188 KB Output is correct
73 Correct 56 ms 15184 KB Output is correct
74 Correct 6 ms 9676 KB Output is correct
75 Correct 6 ms 9676 KB Output is correct
76 Correct 5 ms 9676 KB Output is correct
77 Correct 6 ms 9692 KB Output is correct
78 Correct 83 ms 20436 KB Output is correct
79 Correct 90 ms 15696 KB Output is correct
80 Correct 83 ms 20440 KB Output is correct
81 Correct 53 ms 15152 KB Output is correct
82 Correct 78 ms 20504 KB Output is correct
83 Correct 83 ms 17352 KB Output is correct
84 Correct 6 ms 9676 KB Output is correct
85 Correct 6 ms 9676 KB Output is correct
86 Correct 6 ms 9676 KB Output is correct
87 Correct 7 ms 9708 KB Output is correct
88 Correct 7 ms 9732 KB Output is correct
89 Correct 7 ms 9692 KB Output is correct
90 Correct 7 ms 9696 KB Output is correct
91 Correct 6 ms 9676 KB Output is correct
92 Correct 6 ms 9696 KB Output is correct
93 Correct 6 ms 9676 KB Output is correct
94 Correct 6 ms 9676 KB Output is correct
95 Correct 6 ms 9664 KB Output is correct
96 Correct 6 ms 9748 KB Output is correct
97 Correct 8 ms 9696 KB Output is correct
98 Correct 7 ms 9696 KB Output is correct
99 Correct 6 ms 9712 KB Output is correct
100 Correct 6 ms 9676 KB Output is correct
101 Correct 14 ms 10720 KB Output is correct
102 Correct 12 ms 10340 KB Output is correct
103 Correct 101 ms 20436 KB Output is correct
104 Correct 89 ms 20544 KB Output is correct
105 Correct 111 ms 17756 KB Output is correct
106 Correct 83 ms 20440 KB Output is correct
107 Correct 90 ms 15816 KB Output is correct
108 Correct 82 ms 16208 KB Output is correct
109 Correct 56 ms 15444 KB Output is correct
110 Correct 61 ms 15160 KB Output is correct
111 Correct 83 ms 19780 KB Output is correct
112 Correct 103 ms 19032 KB Output is correct
113 Correct 77 ms 15840 KB Output is correct
114 Correct 80 ms 20432 KB Output is correct
115 Correct 86 ms 20624 KB Output is correct