oj.uz

Submission #786322

# Submission time Handle Problem Language Result Execution time Memory
786322 2023-07-18T06:27:58 Z 12345678 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 232 ms 274380 KB 
#include "shoes.h"
#include <bits/stdc++.h>

using namespace std;

const int nx=2e5+5;

int n;
long long ans;
queue<int> q[2][nx];
bool used[nx];

struct fenwick
{
	int d[nx];
	void add(int idx, int vl)
	{
		while (idx<nx) d[idx]+=vl, idx+=(idx&-idx); 
	}
	int find(int idx)
	{
		int tmp=0;
		while (idx>0) tmp+=d[idx], idx-=(idx&-idx);
		return tmp;
	}
} f;

long long count_swaps(std::vector<int> s) {
	int n=s.size();
	for (int i=1; i<=n; i++)
	{
		if (s[i-1]<0) q[0][-s[i-1]].push(i);
		else q[1][s[i-1]].push(i);
	}
	for (int i=1; i<=n; i++) f.add(i, 1);
	for (int i=1; i<=n; i++)
	{
		if (used[i]) continue;
		int sz=s[i-1];
		if (sz<0)
		{
			q[0][-sz].pop();
			int p=q[1][-sz].front(), cl=f.find(i), pl=f.find(p);
			q[1][-sz].pop();
			used[p]=1;
			ans+=(pl-cl-1);
			f.add(i, 1); f.add(p+1, -1);
		}
		else
		{
			q[1][sz].pop();
			int p=q[0][sz].front(), cl=f.find(i), pl=f.find(p);
			q[0][sz].pop();
			used[p]=1;
			ans+=(pl-cl);
			f.add(i, 1); f.add(p+1, -1);
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 269536 KB Output is correct
2 Correct 124 ms 269588 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 269536 KB Output is correct
2 Correct 124 ms 269588 KB Output is correct
3 Correct 124 ms 269544 KB Output is correct
4 Correct 133 ms 269572 KB Output is correct
5 Correct 125 ms 269508 KB Output is correct
6 Correct 123 ms 269504 KB Output is correct
7 Correct 139 ms 269616 KB Output is correct
8 Correct 129 ms 269500 KB Output is correct
9 Correct 127 ms 269608 KB Output is correct
10 Correct 126 ms 269596 KB Output is correct
11 Correct 123 ms 269504 KB Output is correct
12 Correct 123 ms 269600 KB Output is correct
13 Correct 132 ms 269500 KB Output is correct
14 Correct 195 ms 269516 KB Output is correct
15 Correct 131 ms 269492 KB Output is correct
16 Correct 125 ms 269564 KB Output is correct
17 Correct 123 ms 269608 KB Output is correct
18 Correct 125 ms 269568 KB Output is correct
19 Correct 125 ms 269592 KB Output is correct
20 Correct 127 ms 269564 KB Output is correct
21 Correct 132 ms 269516 KB Output is correct
22 Correct 132 ms 269548 KB Output is correct
23 Correct 134 ms 269532 KB Output is correct
24 Correct 130 ms 269524 KB Output is correct
25 Correct 125 ms 269520 KB Output is correct
26 Correct 124 ms 269600 KB Output is correct
27 Correct 153 ms 269608 KB Output is correct
28 Correct 127 ms 269508 KB Output is correct
29 Correct 126 ms 269572 KB Output is correct
30 Correct 125 ms 269524 KB Output is correct
31 Correct 150 ms 269660 KB Output is correct
32 Correct 126 ms 269568 KB Output is correct
33 Correct 127 ms 269516 KB Output is correct
34 Correct 126 ms 269592 KB Output is correct
35 Correct 146 ms 269516 KB Output is correct
36 Correct 146 ms 269608 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 269536 KB Output is correct
2 Correct 124 ms 269588 KB Output is correct
3 Correct 124 ms 269588 KB Output is correct
4 Correct 131 ms 269544 KB Output is correct
5 Correct 148 ms 269560 KB Output is correct
6 Correct 122 ms 269596 KB Output is correct
7 Correct 129 ms 269604 KB Output is correct
8 Correct 128 ms 269580 KB Output is correct
9 Correct 123 ms 269488 KB Output is correct
10 Correct 141 ms 269604 KB Output is correct
11 Correct 125 ms 269544 KB Output is correct
12 Correct 151 ms 269500 KB Output is correct
13 Correct 124 ms 269580 KB Output is correct
14 Correct 131 ms 269672 KB Output is correct
15 Correct 130 ms 269612 KB Output is correct
16 Correct 124 ms 269536 KB Output is correct
17 Correct 143 ms 269564 KB Output is correct
18 Correct 140 ms 269592 KB Output is correct
19 Correct 125 ms 269620 KB Output is correct
20 Correct 140 ms 270032 KB Output is correct
21 Correct 141 ms 270036 KB Output is correct
22 Correct 161 ms 274380 KB Output is correct
23 Correct 161 ms 274156 KB Output is correct
24 Correct 158 ms 274116 KB Output is correct
25 Correct 163 ms 273884 KB Output is correct
26 Correct 184 ms 274152 KB Output is correct
27 Correct 178 ms 273936 KB Output is correct
28 Correct 158 ms 274108 KB Output is correct
29 Correct 155 ms 274064 KB Output is correct
30 Correct 168 ms 274072 KB Output is correct
31 Correct 176 ms 274124 KB Output is correct
32 Correct 162 ms 274068 KB Output is correct
33 Correct 156 ms 273924 KB Output is correct
34 Correct 163 ms 274096 KB Output is correct
35 Correct 127 ms 269616 KB Output is correct
36 Correct 124 ms 269572 KB Output is correct
37 Correct 171 ms 274056 KB Output is correct
38 Correct 161 ms 273996 KB Output is correct
39 Correct 172 ms 274060 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 127 ms 269532 KB Output is correct
2 Correct 133 ms 269536 KB Output is correct
3 Correct 144 ms 269616 KB Output is correct
4 Correct 124 ms 269508 KB Output is correct
5 Correct 194 ms 273172 KB Output is correct
6 Correct 167 ms 273188 KB Output is correct
7 Correct 191 ms 273200 KB Output is correct
8 Correct 167 ms 274048 KB Output is correct
9 Correct 192 ms 273244 KB Output is correct
10 Correct 169 ms 273168 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 269536 KB Output is correct
2 Correct 124 ms 269588 KB Output is correct
3 Correct 124 ms 269544 KB Output is correct
4 Correct 133 ms 269572 KB Output is correct
5 Correct 125 ms 269508 KB Output is correct
6 Correct 123 ms 269504 KB Output is correct
7 Correct 139 ms 269616 KB Output is correct
8 Correct 129 ms 269500 KB Output is correct
9 Correct 127 ms 269608 KB Output is correct
10 Correct 126 ms 269596 KB Output is correct
11 Correct 123 ms 269504 KB Output is correct
12 Correct 123 ms 269600 KB Output is correct
13 Correct 132 ms 269500 KB Output is correct
14 Correct 195 ms 269516 KB Output is correct
15 Correct 131 ms 269492 KB Output is correct
16 Correct 125 ms 269564 KB Output is correct
17 Correct 123 ms 269608 KB Output is correct
18 Correct 125 ms 269568 KB Output is correct
19 Correct 125 ms 269592 KB Output is correct
20 Correct 127 ms 269564 KB Output is correct
21 Correct 132 ms 269516 KB Output is correct
22 Correct 132 ms 269548 KB Output is correct
23 Correct 134 ms 269532 KB Output is correct
24 Correct 130 ms 269524 KB Output is correct
25 Correct 125 ms 269520 KB Output is correct
26 Correct 124 ms 269600 KB Output is correct
27 Correct 153 ms 269608 KB Output is correct
28 Correct 127 ms 269508 KB Output is correct
29 Correct 126 ms 269572 KB Output is correct
30 Correct 125 ms 269524 KB Output is correct
31 Correct 150 ms 269660 KB Output is correct
32 Correct 126 ms 269568 KB Output is correct
33 Correct 127 ms 269516 KB Output is correct
34 Correct 126 ms 269592 KB Output is correct
35 Correct 146 ms 269516 KB Output is correct
36 Correct 146 ms 269608 KB Output is correct
37 Correct 133 ms 269604 KB Output is correct
38 Correct 129 ms 269580 KB Output is correct
39 Correct 127 ms 269592 KB Output is correct
40 Correct 137 ms 269576 KB Output is correct
41 Correct 137 ms 269608 KB Output is correct
42 Correct 153 ms 269636 KB Output is correct
43 Correct 127 ms 269636 KB Output is correct
44 Correct 150 ms 269528 KB Output is correct
45 Correct 133 ms 269592 KB Output is correct
46 Correct 141 ms 269536 KB Output is correct
47 Correct 155 ms 269516 KB Output is correct
48 Correct 124 ms 269580 KB Output is correct
49 Correct 128 ms 269536 KB Output is correct
50 Correct 130 ms 269624 KB Output is correct
51 Correct 145 ms 269644 KB Output is correct
52 Correct 132 ms 269524 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 269536 KB Output is correct
2 Correct 124 ms 269588 KB Output is correct
3 Correct 124 ms 269544 KB Output is correct
4 Correct 133 ms 269572 KB Output is correct
5 Correct 125 ms 269508 KB Output is correct
6 Correct 123 ms 269504 KB Output is correct
7 Correct 139 ms 269616 KB Output is correct
8 Correct 129 ms 269500 KB Output is correct
9 Correct 127 ms 269608 KB Output is correct
10 Correct 126 ms 269596 KB Output is correct
11 Correct 123 ms 269504 KB Output is correct
12 Correct 123 ms 269600 KB Output is correct
13 Correct 132 ms 269500 KB Output is correct
14 Correct 195 ms 269516 KB Output is correct
15 Correct 131 ms 269492 KB Output is correct
16 Correct 125 ms 269564 KB Output is correct
17 Correct 123 ms 269608 KB Output is correct
18 Correct 125 ms 269568 KB Output is correct
19 Correct 125 ms 269592 KB Output is correct
20 Correct 127 ms 269564 KB Output is correct
21 Correct 132 ms 269516 KB Output is correct
22 Correct 132 ms 269548 KB Output is correct
23 Correct 134 ms 269532 KB Output is correct
24 Correct 130 ms 269524 KB Output is correct
25 Correct 125 ms 269520 KB Output is correct
26 Correct 124 ms 269600 KB Output is correct
27 Correct 153 ms 269608 KB Output is correct
28 Correct 127 ms 269508 KB Output is correct
29 Correct 126 ms 269572 KB Output is correct
30 Correct 125 ms 269524 KB Output is correct
31 Correct 150 ms 269660 KB Output is correct
32 Correct 126 ms 269568 KB Output is correct
33 Correct 127 ms 269516 KB Output is correct
34 Correct 126 ms 269592 KB Output is correct
35 Correct 146 ms 269516 KB Output is correct
36 Correct 146 ms 269608 KB Output is correct
37 Correct 124 ms 269588 KB Output is correct
38 Correct 131 ms 269544 KB Output is correct
39 Correct 148 ms 269560 KB Output is correct
40 Correct 122 ms 269596 KB Output is correct
41 Correct 129 ms 269604 KB Output is correct
42 Correct 128 ms 269580 KB Output is correct
43 Correct 123 ms 269488 KB Output is correct
44 Correct 141 ms 269604 KB Output is correct
45 Correct 125 ms 269544 KB Output is correct
46 Correct 151 ms 269500 KB Output is correct
47 Correct 124 ms 269580 KB Output is correct
48 Correct 131 ms 269672 KB Output is correct
49 Correct 130 ms 269612 KB Output is correct
50 Correct 124 ms 269536 KB Output is correct
51 Correct 143 ms 269564 KB Output is correct
52 Correct 140 ms 269592 KB Output is correct
53 Correct 125 ms 269620 KB Output is correct
54 Correct 140 ms 270032 KB Output is correct
55 Correct 141 ms 270036 KB Output is correct
56 Correct 161 ms 274380 KB Output is correct
57 Correct 161 ms 274156 KB Output is correct
58 Correct 158 ms 274116 KB Output is correct
59 Correct 163 ms 273884 KB Output is correct
60 Correct 184 ms 274152 KB Output is correct
61 Correct 178 ms 273936 KB Output is correct
62 Correct 158 ms 274108 KB Output is correct
63 Correct 155 ms 274064 KB Output is correct
64 Correct 168 ms 274072 KB Output is correct
65 Correct 176 ms 274124 KB Output is correct
66 Correct 162 ms 274068 KB Output is correct
67 Correct 156 ms 273924 KB Output is correct
68 Correct 163 ms 274096 KB Output is correct
69 Correct 127 ms 269616 KB Output is correct
70 Correct 124 ms 269572 KB Output is correct
71 Correct 171 ms 274056 KB Output is correct
72 Correct 161 ms 273996 KB Output is correct
73 Correct 172 ms 274060 KB Output is correct
74 Correct 127 ms 269532 KB Output is correct
75 Correct 133 ms 269536 KB Output is correct
76 Correct 144 ms 269616 KB Output is correct
77 Correct 124 ms 269508 KB Output is correct
78 Correct 194 ms 273172 KB Output is correct
79 Correct 167 ms 273188 KB Output is correct
80 Correct 191 ms 273200 KB Output is correct
81 Correct 167 ms 274048 KB Output is correct
82 Correct 192 ms 273244 KB Output is correct
83 Correct 169 ms 273168 KB Output is correct
84 Correct 133 ms 269604 KB Output is correct
85 Correct 129 ms 269580 KB Output is correct
86 Correct 127 ms 269592 KB Output is correct
87 Correct 137 ms 269576 KB Output is correct
88 Correct 137 ms 269608 KB Output is correct
89 Correct 153 ms 269636 KB Output is correct
90 Correct 127 ms 269636 KB Output is correct
91 Correct 150 ms 269528 KB Output is correct
92 Correct 133 ms 269592 KB Output is correct
93 Correct 141 ms 269536 KB Output is correct
94 Correct 155 ms 269516 KB Output is correct
95 Correct 124 ms 269580 KB Output is correct
96 Correct 128 ms 269536 KB Output is correct
97 Correct 130 ms 269624 KB Output is correct
98 Correct 145 ms 269644 KB Output is correct
99 Correct 132 ms 269524 KB Output is correct
100 Correct 127 ms 269536 KB Output is correct
101 Correct 156 ms 269928 KB Output is correct
102 Correct 131 ms 269916 KB Output is correct
103 Correct 192 ms 273372 KB Output is correct
104 Correct 184 ms 273248 KB Output is correct
105 Correct 232 ms 273340 KB Output is correct
106 Correct 180 ms 273192 KB Output is correct
107 Correct 164 ms 273296 KB Output is correct
108 Correct 167 ms 273324 KB Output is correct
109 Correct 198 ms 274044 KB Output is correct
110 Correct 171 ms 274068 KB Output is correct
111 Correct 185 ms 273168 KB Output is correct
112 Correct 186 ms 273288 KB Output is correct
113 Correct 175 ms 273248 KB Output is correct
114 Correct 177 ms 273248 KB Output is correct
115 Correct 175 ms 273272 KB Output is correct