oj.uz

Submission #159127

# Submission time Handle Problem Language Result Execution time Memory
159127 2019-10-21T05:30:08 Z kig9981 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 110 ms 16628 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

vector<int> L[100001], R[100001];
int tree[200001];

void update(int n, int v)
{
	for(++n;n<=200000;n+=n&-n) tree[n]+=v;
}

int get_cnt(int n)
{
	int ret=0;
	for(++n;n;n-=n&-n) ret+=tree[n];
	return ret;
}

long long count_swaps(vector<int> S)
{
	int N=S.size();
	priority_queue<tuple<int,int,int>> Q;
	long long ret=0;
	for(int i=N-1;i>=0;i--) {
		if(S[i]>0) R[S[i]].push_back(i);
		else L[-S[i]].push_back(i);
		update(i,1);
	}
	for(int i=N/2;i;i--) for(int j=0;j<L[i].size();j++) Q.emplace(-L[i][j]-R[i][j],L[i][j],R[i][j]);
	while(!Q.empty()) {
		auto[s,i,j]=Q.top();
		Q.pop();
		update(i,-1);
		ret+=get_cnt(i);
		update(j,-1);
		ret+=get_cnt(j);
	}
	return ret;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:31:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=N/2;i;i--) for(int j=0;j<L[i].size();j++) Q.emplace(-L[i][j]-R[i][j],L[i][j],R[i][j]);
                                   ~^~~~~~~~~~~~
shoes.cpp:33:13: warning: unused variable 's' [-Wunused-variable]
   auto[s,i,j]=Q.top();
             ^

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 7 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 5096 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 5112 KB Output is correct
12 Correct 7 ms 5112 KB Output is correct
13 Correct 7 ms 5112 KB Output is correct
14 Correct 7 ms 5112 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 7 ms 5112 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 8 ms 5112 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 7 ms 5112 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 7 ms 4984 KB Output is correct
24 Correct 7 ms 5112 KB Output is correct
25 Correct 7 ms 4984 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 6 ms 5112 KB Output is correct
30 Correct 7 ms 5112 KB Output is correct
31 Correct 6 ms 5112 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 5112 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 5112 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 6 ms 5112 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 6 ms 5112 KB Output is correct
8 Correct 6 ms 5112 KB Output is correct
9 Correct 6 ms 4984 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 6 ms 4984 KB Output is correct
12 Correct 6 ms 5112 KB Output is correct
13 Correct 6 ms 5112 KB Output is correct
14 Correct 6 ms 5112 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 6 ms 5112 KB Output is correct
17 Correct 6 ms 5112 KB Output is correct
18 Correct 6 ms 5112 KB Output is correct
19 Correct 7 ms 5112 KB Output is correct
20 Correct 12 ms 5752 KB Output is correct
21 Correct 12 ms 5880 KB Output is correct
22 Correct 62 ms 11384 KB Output is correct
23 Correct 58 ms 11368 KB Output is correct
24 Correct 63 ms 11408 KB Output is correct
25 Correct 59 ms 11116 KB Output is correct
26 Correct 62 ms 11368 KB Output is correct
27 Correct 55 ms 11112 KB Output is correct
28 Correct 60 ms 11328 KB Output is correct
29 Correct 60 ms 11368 KB Output is correct
30 Correct 60 ms 11324 KB Output is correct
31 Correct 62 ms 11392 KB Output is correct
32 Correct 60 ms 11372 KB Output is correct
33 Correct 59 ms 11116 KB Output is correct
34 Correct 60 ms 11372 KB Output is correct
35 Correct 6 ms 5084 KB Output is correct
36 Correct 6 ms 4984 KB Output is correct
37 Correct 61 ms 11344 KB Output is correct
38 Correct 60 ms 11368 KB Output is correct
39 Correct 60 ms 11368 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 6 ms 4984 KB Output is correct
4 Correct 6 ms 5112 KB Output is correct
5 Correct 103 ms 16496 KB Output is correct
6 Correct 95 ms 11800 KB Output is correct
7 Correct 101 ms 16592 KB Output is correct
8 Correct 65 ms 11228 KB Output is correct
9 Correct 103 ms 16628 KB Output is correct
10 Correct 100 ms 13552 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 7 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 5096 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 5112 KB Output is correct
12 Correct 7 ms 5112 KB Output is correct
13 Correct 7 ms 5112 KB Output is correct
14 Correct 7 ms 5112 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 7 ms 5112 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 8 ms 5112 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 7 ms 5112 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 7 ms 4984 KB Output is correct
24 Correct 7 ms 5112 KB Output is correct
25 Correct 7 ms 4984 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 6 ms 5112 KB Output is correct
30 Correct 7 ms 5112 KB Output is correct
31 Correct 6 ms 5112 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 5112 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 5112 KB Output is correct
37 Correct 6 ms 5112 KB Output is correct
38 Correct 6 ms 5112 KB Output is correct
39 Correct 6 ms 5112 KB Output is correct
40 Correct 8 ms 5112 KB Output is correct
41 Correct 8 ms 5112 KB Output is correct
42 Correct 6 ms 5112 KB Output is correct
43 Correct 7 ms 5112 KB Output is correct
44 Correct 7 ms 5112 KB Output is correct
45 Correct 8 ms 5112 KB Output is correct
46 Correct 6 ms 5112 KB Output is correct
47 Correct 7 ms 5112 KB Output is correct
48 Correct 7 ms 5112 KB Output is correct
49 Correct 7 ms 5112 KB Output is correct
50 Correct 7 ms 5112 KB Output is correct
51 Correct 6 ms 5112 KB Output is correct
52 Correct 7 ms 5112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 5112 KB Output is correct
2 Correct 6 ms 5112 KB Output is correct
3 Correct 7 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 6 ms 4984 KB Output is correct
6 Correct 6 ms 5112 KB Output is correct
7 Correct 6 ms 4984 KB Output is correct
8 Correct 6 ms 5096 KB Output is correct
9 Correct 6 ms 5112 KB Output is correct
10 Correct 6 ms 4984 KB Output is correct
11 Correct 7 ms 5112 KB Output is correct
12 Correct 7 ms 5112 KB Output is correct
13 Correct 7 ms 5112 KB Output is correct
14 Correct 7 ms 5112 KB Output is correct
15 Correct 6 ms 4984 KB Output is correct
16 Correct 7 ms 5112 KB Output is correct
17 Correct 7 ms 5112 KB Output is correct
18 Correct 8 ms 5112 KB Output is correct
19 Correct 7 ms 4984 KB Output is correct
20 Correct 7 ms 5112 KB Output is correct
21 Correct 6 ms 5112 KB Output is correct
22 Correct 6 ms 4984 KB Output is correct
23 Correct 7 ms 4984 KB Output is correct
24 Correct 7 ms 5112 KB Output is correct
25 Correct 7 ms 4984 KB Output is correct
26 Correct 6 ms 4984 KB Output is correct
27 Correct 6 ms 5112 KB Output is correct
28 Correct 6 ms 5112 KB Output is correct
29 Correct 6 ms 5112 KB Output is correct
30 Correct 7 ms 5112 KB Output is correct
31 Correct 6 ms 5112 KB Output is correct
32 Correct 6 ms 4984 KB Output is correct
33 Correct 6 ms 5112 KB Output is correct
34 Correct 6 ms 5112 KB Output is correct
35 Correct 6 ms 5112 KB Output is correct
36 Correct 6 ms 5112 KB Output is correct
37 Correct 6 ms 4984 KB Output is correct
38 Correct 6 ms 5112 KB Output is correct
39 Correct 6 ms 5112 KB Output is correct
40 Correct 6 ms 5112 KB Output is correct
41 Correct 6 ms 5112 KB Output is correct
42 Correct 6 ms 5112 KB Output is correct
43 Correct 6 ms 4984 KB Output is correct
44 Correct 6 ms 4984 KB Output is correct
45 Correct 6 ms 4984 KB Output is correct
46 Correct 6 ms 5112 KB Output is correct
47 Correct 6 ms 5112 KB Output is correct
48 Correct 6 ms 5112 KB Output is correct
49 Correct 6 ms 4984 KB Output is correct
50 Correct 6 ms 5112 KB Output is correct
51 Correct 6 ms 5112 KB Output is correct
52 Correct 6 ms 5112 KB Output is correct
53 Correct 7 ms 5112 KB Output is correct
54 Correct 12 ms 5752 KB Output is correct
55 Correct 12 ms 5880 KB Output is correct
56 Correct 62 ms 11384 KB Output is correct
57 Correct 58 ms 11368 KB Output is correct
58 Correct 63 ms 11408 KB Output is correct
59 Correct 59 ms 11116 KB Output is correct
60 Correct 62 ms 11368 KB Output is correct
61 Correct 55 ms 11112 KB Output is correct
62 Correct 60 ms 11328 KB Output is correct
63 Correct 60 ms 11368 KB Output is correct
64 Correct 60 ms 11324 KB Output is correct
65 Correct 62 ms 11392 KB Output is correct
66 Correct 60 ms 11372 KB Output is correct
67 Correct 59 ms 11116 KB Output is correct
68 Correct 60 ms 11372 KB Output is correct
69 Correct 6 ms 5084 KB Output is correct
70 Correct 6 ms 4984 KB Output is correct
71 Correct 61 ms 11344 KB Output is correct
72 Correct 60 ms 11368 KB Output is correct
73 Correct 60 ms 11368 KB Output is correct
74 Correct 6 ms 4984 KB Output is correct
75 Correct 6 ms 5112 KB Output is correct
76 Correct 6 ms 4984 KB Output is correct
77 Correct 6 ms 5112 KB Output is correct
78 Correct 103 ms 16496 KB Output is correct
79 Correct 95 ms 11800 KB Output is correct
80 Correct 101 ms 16592 KB Output is correct
81 Correct 65 ms 11228 KB Output is correct
82 Correct 103 ms 16628 KB Output is correct
83 Correct 100 ms 13552 KB Output is correct
84 Correct 6 ms 5112 KB Output is correct
85 Correct 6 ms 5112 KB Output is correct
86 Correct 6 ms 5112 KB Output is correct
87 Correct 8 ms 5112 KB Output is correct
88 Correct 8 ms 5112 KB Output is correct
89 Correct 6 ms 5112 KB Output is correct
90 Correct 7 ms 5112 KB Output is correct
91 Correct 7 ms 5112 KB Output is correct
92 Correct 8 ms 5112 KB Output is correct
93 Correct 6 ms 5112 KB Output is correct
94 Correct 7 ms 5112 KB Output is correct
95 Correct 7 ms 5112 KB Output is correct
96 Correct 7 ms 5112 KB Output is correct
97 Correct 7 ms 5112 KB Output is correct
98 Correct 6 ms 5112 KB Output is correct
99 Correct 7 ms 5112 KB Output is correct
100 Correct 7 ms 5112 KB Output is correct
101 Correct 14 ms 6236 KB Output is correct
102 Correct 14 ms 5880 KB Output is correct
103 Correct 107 ms 16580 KB Output is correct
104 Correct 99 ms 16624 KB Output is correct
105 Correct 110 ms 14064 KB Output is correct
106 Correct 100 ms 16588 KB Output is correct
107 Correct 89 ms 11888 KB Output is correct
108 Correct 88 ms 12272 KB Output is correct
109 Correct 63 ms 11440 KB Output is correct
110 Correct 60 ms 11368 KB Output is correct
111 Correct 102 ms 15856 KB Output is correct
112 Correct 110 ms 15196 KB Output is correct
113 Correct 87 ms 11892 KB Output is correct
114 Correct 103 ms 16608 KB Output is correct
115 Correct 101 ms 16496 KB Output is correct