oj.uz

Submission #520886

# Submission time Handle Problem Language Result Execution time Memory
520886 2022-01-31T11:14:33 Z JvThunder Arranging Shoes (IOI19_shoes) C++14
100 / 100
 231 ms 273864 KB 
#include "shoes.h"
#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
queue<int> s1[2][200005];
ll ft[200005] = {0};

void upd(ll i,ll val)
{
	for(;i<=200000;i+=i&-i) ft[i] += val;
}

ll query(int j)
{
	ll ans = 0;
	for(;j;j-=j&-j) ans += ft[j];
	return ans;
}

ll count_swaps(vector<int> s) 
{
	for(int i=1;i<=200000;i++) upd(i,1);
	
	ll ans = 0;
	for(int i=0;i<s.size();i++)
	{
		ll type = 1;
		if(s[i]<0) type = 0;
		ll tmp = abs(s[i]);
		if(!s1[type][tmp].empty())
		{
			ll x = s1[type][tmp].front();
			ll tans = query(i) - query(x);
			upd(i+1,-1);
			upd(x,1); 
			s1[type][tmp].pop();
			if(type==0) tans++;
			ans += tans;		
		}
		else s1[1-type][tmp].push(i+1);
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'll count_swaps(std::vector<int>)':
shoes.cpp:25:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |  for(int i=0;i<s.size();i++)
      |              ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271068 KB Output is correct
2 Correct 156 ms 271136 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271068 KB Output is correct
2 Correct 156 ms 271136 KB Output is correct
3 Correct 184 ms 271096 KB Output is correct
4 Correct 168 ms 271132 KB Output is correct
5 Correct 155 ms 271108 KB Output is correct
6 Correct 158 ms 271052 KB Output is correct
7 Correct 158 ms 271120 KB Output is correct
8 Correct 164 ms 271040 KB Output is correct
9 Correct 154 ms 271076 KB Output is correct
10 Correct 188 ms 271048 KB Output is correct
11 Correct 155 ms 271068 KB Output is correct
12 Correct 154 ms 271044 KB Output is correct
13 Correct 151 ms 271108 KB Output is correct
14 Correct 160 ms 271068 KB Output is correct
15 Correct 174 ms 271068 KB Output is correct
16 Correct 156 ms 271052 KB Output is correct
17 Correct 157 ms 271028 KB Output is correct
18 Correct 175 ms 271064 KB Output is correct
19 Correct 166 ms 271128 KB Output is correct
20 Correct 160 ms 271084 KB Output is correct
21 Correct 154 ms 271112 KB Output is correct
22 Correct 155 ms 271096 KB Output is correct
23 Correct 170 ms 271212 KB Output is correct
24 Correct 155 ms 271112 KB Output is correct
25 Correct 160 ms 271068 KB Output is correct
26 Correct 168 ms 271040 KB Output is correct
27 Correct 157 ms 271060 KB Output is correct
28 Correct 155 ms 271036 KB Output is correct
29 Correct 154 ms 271024 KB Output is correct
30 Correct 162 ms 271040 KB Output is correct
31 Correct 168 ms 271116 KB Output is correct
32 Correct 155 ms 271044 KB Output is correct
33 Correct 156 ms 271116 KB Output is correct
34 Correct 152 ms 271044 KB Output is correct
35 Correct 156 ms 271072 KB Output is correct
36 Correct 163 ms 271128 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271068 KB Output is correct
2 Correct 156 ms 271136 KB Output is correct
3 Correct 157 ms 271044 KB Output is correct
4 Correct 153 ms 271044 KB Output is correct
5 Correct 156 ms 271124 KB Output is correct
6 Correct 160 ms 271112 KB Output is correct
7 Correct 165 ms 271076 KB Output is correct
8 Correct 154 ms 271060 KB Output is correct
9 Correct 156 ms 271120 KB Output is correct
10 Correct 158 ms 271120 KB Output is correct
11 Correct 157 ms 271188 KB Output is correct
12 Correct 155 ms 271108 KB Output is correct
13 Correct 171 ms 271128 KB Output is correct
14 Correct 155 ms 271124 KB Output is correct
15 Correct 162 ms 271124 KB Output is correct
16 Correct 176 ms 271112 KB Output is correct
17 Correct 166 ms 271068 KB Output is correct
18 Correct 155 ms 271048 KB Output is correct
19 Correct 164 ms 271036 KB Output is correct
20 Correct 157 ms 271256 KB Output is correct
21 Correct 162 ms 271216 KB Output is correct
22 Correct 193 ms 272656 KB Output is correct
23 Correct 201 ms 272616 KB Output is correct
24 Correct 181 ms 272664 KB Output is correct
25 Correct 191 ms 273036 KB Output is correct
26 Correct 188 ms 272668 KB Output is correct
27 Correct 175 ms 272668 KB Output is correct
28 Correct 186 ms 273052 KB Output is correct
29 Correct 229 ms 273100 KB Output is correct
30 Correct 198 ms 273080 KB Output is correct
31 Correct 181 ms 272632 KB Output is correct
32 Correct 181 ms 273108 KB Output is correct
33 Correct 188 ms 273000 KB Output is correct
34 Correct 189 ms 273060 KB Output is correct
35 Correct 154 ms 271080 KB Output is correct
36 Correct 155 ms 271044 KB Output is correct
37 Correct 184 ms 273224 KB Output is correct
38 Correct 180 ms 273060 KB Output is correct
39 Correct 186 ms 273072 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 271120 KB Output is correct
2 Correct 163 ms 271076 KB Output is correct
3 Correct 155 ms 271020 KB Output is correct
4 Correct 161 ms 271060 KB Output is correct
5 Correct 209 ms 272624 KB Output is correct
6 Correct 182 ms 272644 KB Output is correct
7 Correct 207 ms 272696 KB Output is correct
8 Correct 181 ms 273112 KB Output is correct
9 Correct 225 ms 272776 KB Output is correct
10 Correct 203 ms 272612 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271068 KB Output is correct
2 Correct 156 ms 271136 KB Output is correct
3 Correct 184 ms 271096 KB Output is correct
4 Correct 168 ms 271132 KB Output is correct
5 Correct 155 ms 271108 KB Output is correct
6 Correct 158 ms 271052 KB Output is correct
7 Correct 158 ms 271120 KB Output is correct
8 Correct 164 ms 271040 KB Output is correct
9 Correct 154 ms 271076 KB Output is correct
10 Correct 188 ms 271048 KB Output is correct
11 Correct 155 ms 271068 KB Output is correct
12 Correct 154 ms 271044 KB Output is correct
13 Correct 151 ms 271108 KB Output is correct
14 Correct 160 ms 271068 KB Output is correct
15 Correct 174 ms 271068 KB Output is correct
16 Correct 156 ms 271052 KB Output is correct
17 Correct 157 ms 271028 KB Output is correct
18 Correct 175 ms 271064 KB Output is correct
19 Correct 166 ms 271128 KB Output is correct
20 Correct 160 ms 271084 KB Output is correct
21 Correct 154 ms 271112 KB Output is correct
22 Correct 155 ms 271096 KB Output is correct
23 Correct 170 ms 271212 KB Output is correct
24 Correct 155 ms 271112 KB Output is correct
25 Correct 160 ms 271068 KB Output is correct
26 Correct 168 ms 271040 KB Output is correct
27 Correct 157 ms 271060 KB Output is correct
28 Correct 155 ms 271036 KB Output is correct
29 Correct 154 ms 271024 KB Output is correct
30 Correct 162 ms 271040 KB Output is correct
31 Correct 168 ms 271116 KB Output is correct
32 Correct 155 ms 271044 KB Output is correct
33 Correct 156 ms 271116 KB Output is correct
34 Correct 152 ms 271044 KB Output is correct
35 Correct 156 ms 271072 KB Output is correct
36 Correct 163 ms 271128 KB Output is correct
37 Correct 158 ms 271072 KB Output is correct
38 Correct 160 ms 271044 KB Output is correct
39 Correct 155 ms 271052 KB Output is correct
40 Correct 153 ms 271108 KB Output is correct
41 Correct 155 ms 271124 KB Output is correct
42 Correct 154 ms 271100 KB Output is correct
43 Correct 158 ms 271120 KB Output is correct
44 Correct 174 ms 271132 KB Output is correct
45 Correct 157 ms 271088 KB Output is correct
46 Correct 157 ms 271044 KB Output is correct
47 Correct 165 ms 271140 KB Output is correct
48 Correct 159 ms 271032 KB Output is correct
49 Correct 163 ms 271160 KB Output is correct
50 Correct 163 ms 271044 KB Output is correct
51 Correct 156 ms 271120 KB Output is correct
52 Correct 162 ms 271060 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 156 ms 271068 KB Output is correct
2 Correct 156 ms 271136 KB Output is correct
3 Correct 184 ms 271096 KB Output is correct
4 Correct 168 ms 271132 KB Output is correct
5 Correct 155 ms 271108 KB Output is correct
6 Correct 158 ms 271052 KB Output is correct
7 Correct 158 ms 271120 KB Output is correct
8 Correct 164 ms 271040 KB Output is correct
9 Correct 154 ms 271076 KB Output is correct
10 Correct 188 ms 271048 KB Output is correct
11 Correct 155 ms 271068 KB Output is correct
12 Correct 154 ms 271044 KB Output is correct
13 Correct 151 ms 271108 KB Output is correct
14 Correct 160 ms 271068 KB Output is correct
15 Correct 174 ms 271068 KB Output is correct
16 Correct 156 ms 271052 KB Output is correct
17 Correct 157 ms 271028 KB Output is correct
18 Correct 175 ms 271064 KB Output is correct
19 Correct 166 ms 271128 KB Output is correct
20 Correct 160 ms 271084 KB Output is correct
21 Correct 154 ms 271112 KB Output is correct
22 Correct 155 ms 271096 KB Output is correct
23 Correct 170 ms 271212 KB Output is correct
24 Correct 155 ms 271112 KB Output is correct
25 Correct 160 ms 271068 KB Output is correct
26 Correct 168 ms 271040 KB Output is correct
27 Correct 157 ms 271060 KB Output is correct
28 Correct 155 ms 271036 KB Output is correct
29 Correct 154 ms 271024 KB Output is correct
30 Correct 162 ms 271040 KB Output is correct
31 Correct 168 ms 271116 KB Output is correct
32 Correct 155 ms 271044 KB Output is correct
33 Correct 156 ms 271116 KB Output is correct
34 Correct 152 ms 271044 KB Output is correct
35 Correct 156 ms 271072 KB Output is correct
36 Correct 163 ms 271128 KB Output is correct
37 Correct 157 ms 271044 KB Output is correct
38 Correct 153 ms 271044 KB Output is correct
39 Correct 156 ms 271124 KB Output is correct
40 Correct 160 ms 271112 KB Output is correct
41 Correct 165 ms 271076 KB Output is correct
42 Correct 154 ms 271060 KB Output is correct
43 Correct 156 ms 271120 KB Output is correct
44 Correct 158 ms 271120 KB Output is correct
45 Correct 157 ms 271188 KB Output is correct
46 Correct 155 ms 271108 KB Output is correct
47 Correct 171 ms 271128 KB Output is correct
48 Correct 155 ms 271124 KB Output is correct
49 Correct 162 ms 271124 KB Output is correct
50 Correct 176 ms 271112 KB Output is correct
51 Correct 166 ms 271068 KB Output is correct
52 Correct 155 ms 271048 KB Output is correct
53 Correct 164 ms 271036 KB Output is correct
54 Correct 157 ms 271256 KB Output is correct
55 Correct 162 ms 271216 KB Output is correct
56 Correct 193 ms 272656 KB Output is correct
57 Correct 201 ms 272616 KB Output is correct
58 Correct 181 ms 272664 KB Output is correct
59 Correct 191 ms 273036 KB Output is correct
60 Correct 188 ms 272668 KB Output is correct
61 Correct 175 ms 272668 KB Output is correct
62 Correct 186 ms 273052 KB Output is correct
63 Correct 229 ms 273100 KB Output is correct
64 Correct 198 ms 273080 KB Output is correct
65 Correct 181 ms 272632 KB Output is correct
66 Correct 181 ms 273108 KB Output is correct
67 Correct 188 ms 273000 KB Output is correct
68 Correct 189 ms 273060 KB Output is correct
69 Correct 154 ms 271080 KB Output is correct
70 Correct 155 ms 271044 KB Output is correct
71 Correct 184 ms 273224 KB Output is correct
72 Correct 180 ms 273060 KB Output is correct
73 Correct 186 ms 273072 KB Output is correct
74 Correct 154 ms 271120 KB Output is correct
75 Correct 163 ms 271076 KB Output is correct
76 Correct 155 ms 271020 KB Output is correct
77 Correct 161 ms 271060 KB Output is correct
78 Correct 209 ms 272624 KB Output is correct
79 Correct 182 ms 272644 KB Output is correct
80 Correct 207 ms 272696 KB Output is correct
81 Correct 181 ms 273112 KB Output is correct
82 Correct 225 ms 272776 KB Output is correct
83 Correct 203 ms 272612 KB Output is correct
84 Correct 158 ms 271072 KB Output is correct
85 Correct 160 ms 271044 KB Output is correct
86 Correct 155 ms 271052 KB Output is correct
87 Correct 153 ms 271108 KB Output is correct
88 Correct 155 ms 271124 KB Output is correct
89 Correct 154 ms 271100 KB Output is correct
90 Correct 158 ms 271120 KB Output is correct
91 Correct 174 ms 271132 KB Output is correct
92 Correct 157 ms 271088 KB Output is correct
93 Correct 157 ms 271044 KB Output is correct
94 Correct 165 ms 271140 KB Output is correct
95 Correct 159 ms 271032 KB Output is correct
96 Correct 163 ms 271160 KB Output is correct
97 Correct 163 ms 271044 KB Output is correct
98 Correct 156 ms 271120 KB Output is correct
99 Correct 162 ms 271060 KB Output is correct
100 Correct 163 ms 271180 KB Output is correct
101 Correct 156 ms 271376 KB Output is correct
102 Correct 161 ms 271372 KB Output is correct
103 Correct 231 ms 273600 KB Output is correct
104 Correct 197 ms 273376 KB Output is correct
105 Correct 197 ms 273348 KB Output is correct
106 Correct 207 ms 273468 KB Output is correct
107 Correct 187 ms 273348 KB Output is correct
108 Correct 188 ms 273348 KB Output is correct
109 Correct 190 ms 273864 KB Output is correct
110 Correct 202 ms 273860 KB Output is correct
111 Correct 203 ms 273408 KB Output is correct
112 Correct 209 ms 273388 KB Output is correct
113 Correct 198 ms 273472 KB Output is correct
114 Correct 202 ms 273364 KB Output is correct
115 Correct 215 ms 273400 KB Output is correct