oj.uz

Submission #520883

# Submission time Handle Problem Language Result Execution time Memory
520883 2022-01-31T11:09:49 Z JvThunder Arranging Shoes (IOI19_shoes) C++14
100 / 100
 237 ms 274372 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 173 ms 271128 KB Output is correct
2 Correct 165 ms 271052 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 271128 KB Output is correct
2 Correct 165 ms 271052 KB Output is correct
3 Correct 181 ms 271124 KB Output is correct
4 Correct 170 ms 271052 KB Output is correct
5 Correct 175 ms 271068 KB Output is correct
6 Correct 164 ms 271064 KB Output is correct
7 Correct 178 ms 271080 KB Output is correct
8 Correct 169 ms 271104 KB Output is correct
9 Correct 162 ms 271088 KB Output is correct
10 Correct 165 ms 271120 KB Output is correct
11 Correct 176 ms 271032 KB Output is correct
12 Correct 186 ms 271132 KB Output is correct
13 Correct 160 ms 271016 KB Output is correct
14 Correct 167 ms 271204 KB Output is correct
15 Correct 164 ms 271052 KB Output is correct
16 Correct 167 ms 271092 KB Output is correct
17 Correct 171 ms 271048 KB Output is correct
18 Correct 179 ms 271084 KB Output is correct
19 Correct 165 ms 271016 KB Output is correct
20 Correct 160 ms 271100 KB Output is correct
21 Correct 172 ms 271124 KB Output is correct
22 Correct 175 ms 271120 KB Output is correct
23 Correct 163 ms 271044 KB Output is correct
24 Correct 162 ms 271024 KB Output is correct
25 Correct 169 ms 271104 KB Output is correct
26 Correct 165 ms 271116 KB Output is correct
27 Correct 181 ms 271020 KB Output is correct
28 Correct 161 ms 271088 KB Output is correct
29 Correct 176 ms 271044 KB Output is correct
30 Correct 165 ms 271100 KB Output is correct
31 Correct 175 ms 271136 KB Output is correct
32 Correct 197 ms 271004 KB Output is correct
33 Correct 172 ms 271048 KB Output is correct
34 Correct 164 ms 271036 KB Output is correct
35 Correct 167 ms 271068 KB Output is correct
36 Correct 171 ms 271120 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 271128 KB Output is correct
2 Correct 165 ms 271052 KB Output is correct
3 Correct 173 ms 271096 KB Output is correct
4 Correct 171 ms 271088 KB Output is correct
5 Correct 164 ms 271112 KB Output is correct
6 Correct 168 ms 271088 KB Output is correct
7 Correct 167 ms 271024 KB Output is correct
8 Correct 168 ms 271064 KB Output is correct
9 Correct 207 ms 271100 KB Output is correct
10 Correct 165 ms 271044 KB Output is correct
11 Correct 169 ms 271040 KB Output is correct
12 Correct 194 ms 271052 KB Output is correct
13 Correct 161 ms 271044 KB Output is correct
14 Correct 188 ms 271072 KB Output is correct
15 Correct 171 ms 271020 KB Output is correct
16 Correct 172 ms 271092 KB Output is correct
17 Correct 163 ms 271044 KB Output is correct
18 Correct 162 ms 271056 KB Output is correct
19 Correct 199 ms 271088 KB Output is correct
20 Correct 164 ms 271408 KB Output is correct
21 Correct 164 ms 271284 KB Output is correct
22 Correct 192 ms 273904 KB Output is correct
23 Correct 205 ms 273964 KB Output is correct
24 Correct 185 ms 273912 KB Output is correct
25 Correct 197 ms 274076 KB Output is correct
26 Correct 187 ms 273972 KB Output is correct
27 Correct 202 ms 273672 KB Output is correct
28 Correct 202 ms 274348 KB Output is correct
29 Correct 195 ms 274352 KB Output is correct
30 Correct 197 ms 274308 KB Output is correct
31 Correct 222 ms 273928 KB Output is correct
32 Correct 188 ms 274312 KB Output is correct
33 Correct 209 ms 274188 KB Output is correct
34 Correct 195 ms 274336 KB Output is correct
35 Correct 161 ms 271092 KB Output is correct
36 Correct 181 ms 271096 KB Output is correct
37 Correct 195 ms 274340 KB Output is correct
38 Correct 202 ms 274372 KB Output is correct
39 Correct 196 ms 274344 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 169 ms 271064 KB Output is correct
2 Correct 181 ms 271036 KB Output is correct
3 Correct 173 ms 271112 KB Output is correct
4 Correct 165 ms 271048 KB Output is correct
5 Correct 233 ms 273928 KB Output is correct
6 Correct 198 ms 273840 KB Output is correct
7 Correct 217 ms 273932 KB Output is correct
8 Correct 191 ms 274372 KB Output is correct
9 Correct 221 ms 273912 KB Output is correct
10 Correct 222 ms 273860 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 271128 KB Output is correct
2 Correct 165 ms 271052 KB Output is correct
3 Correct 181 ms 271124 KB Output is correct
4 Correct 170 ms 271052 KB Output is correct
5 Correct 175 ms 271068 KB Output is correct
6 Correct 164 ms 271064 KB Output is correct
7 Correct 178 ms 271080 KB Output is correct
8 Correct 169 ms 271104 KB Output is correct
9 Correct 162 ms 271088 KB Output is correct
10 Correct 165 ms 271120 KB Output is correct
11 Correct 176 ms 271032 KB Output is correct
12 Correct 186 ms 271132 KB Output is correct
13 Correct 160 ms 271016 KB Output is correct
14 Correct 167 ms 271204 KB Output is correct
15 Correct 164 ms 271052 KB Output is correct
16 Correct 167 ms 271092 KB Output is correct
17 Correct 171 ms 271048 KB Output is correct
18 Correct 179 ms 271084 KB Output is correct
19 Correct 165 ms 271016 KB Output is correct
20 Correct 160 ms 271100 KB Output is correct
21 Correct 172 ms 271124 KB Output is correct
22 Correct 175 ms 271120 KB Output is correct
23 Correct 163 ms 271044 KB Output is correct
24 Correct 162 ms 271024 KB Output is correct
25 Correct 169 ms 271104 KB Output is correct
26 Correct 165 ms 271116 KB Output is correct
27 Correct 181 ms 271020 KB Output is correct
28 Correct 161 ms 271088 KB Output is correct
29 Correct 176 ms 271044 KB Output is correct
30 Correct 165 ms 271100 KB Output is correct
31 Correct 175 ms 271136 KB Output is correct
32 Correct 197 ms 271004 KB Output is correct
33 Correct 172 ms 271048 KB Output is correct
34 Correct 164 ms 271036 KB Output is correct
35 Correct 167 ms 271068 KB Output is correct
36 Correct 171 ms 271120 KB Output is correct
37 Correct 171 ms 271100 KB Output is correct
38 Correct 164 ms 271072 KB Output is correct
39 Correct 170 ms 271036 KB Output is correct
40 Correct 161 ms 271044 KB Output is correct
41 Correct 168 ms 271024 KB Output is correct
42 Correct 178 ms 271196 KB Output is correct
43 Correct 168 ms 271140 KB Output is correct
44 Correct 166 ms 271048 KB Output is correct
45 Correct 175 ms 271044 KB Output is correct
46 Correct 178 ms 271160 KB Output is correct
47 Correct 181 ms 271132 KB Output is correct
48 Correct 166 ms 271044 KB Output is correct
49 Correct 164 ms 271104 KB Output is correct
50 Correct 174 ms 271124 KB Output is correct
51 Correct 163 ms 271136 KB Output is correct
52 Correct 168 ms 271112 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 173 ms 271128 KB Output is correct
2 Correct 165 ms 271052 KB Output is correct
3 Correct 181 ms 271124 KB Output is correct
4 Correct 170 ms 271052 KB Output is correct
5 Correct 175 ms 271068 KB Output is correct
6 Correct 164 ms 271064 KB Output is correct
7 Correct 178 ms 271080 KB Output is correct
8 Correct 169 ms 271104 KB Output is correct
9 Correct 162 ms 271088 KB Output is correct
10 Correct 165 ms 271120 KB Output is correct
11 Correct 176 ms 271032 KB Output is correct
12 Correct 186 ms 271132 KB Output is correct
13 Correct 160 ms 271016 KB Output is correct
14 Correct 167 ms 271204 KB Output is correct
15 Correct 164 ms 271052 KB Output is correct
16 Correct 167 ms 271092 KB Output is correct
17 Correct 171 ms 271048 KB Output is correct
18 Correct 179 ms 271084 KB Output is correct
19 Correct 165 ms 271016 KB Output is correct
20 Correct 160 ms 271100 KB Output is correct
21 Correct 172 ms 271124 KB Output is correct
22 Correct 175 ms 271120 KB Output is correct
23 Correct 163 ms 271044 KB Output is correct
24 Correct 162 ms 271024 KB Output is correct
25 Correct 169 ms 271104 KB Output is correct
26 Correct 165 ms 271116 KB Output is correct
27 Correct 181 ms 271020 KB Output is correct
28 Correct 161 ms 271088 KB Output is correct
29 Correct 176 ms 271044 KB Output is correct
30 Correct 165 ms 271100 KB Output is correct
31 Correct 175 ms 271136 KB Output is correct
32 Correct 197 ms 271004 KB Output is correct
33 Correct 172 ms 271048 KB Output is correct
34 Correct 164 ms 271036 KB Output is correct
35 Correct 167 ms 271068 KB Output is correct
36 Correct 171 ms 271120 KB Output is correct
37 Correct 173 ms 271096 KB Output is correct
38 Correct 171 ms 271088 KB Output is correct
39 Correct 164 ms 271112 KB Output is correct
40 Correct 168 ms 271088 KB Output is correct
41 Correct 167 ms 271024 KB Output is correct
42 Correct 168 ms 271064 KB Output is correct
43 Correct 207 ms 271100 KB Output is correct
44 Correct 165 ms 271044 KB Output is correct
45 Correct 169 ms 271040 KB Output is correct
46 Correct 194 ms 271052 KB Output is correct
47 Correct 161 ms 271044 KB Output is correct
48 Correct 188 ms 271072 KB Output is correct
49 Correct 171 ms 271020 KB Output is correct
50 Correct 172 ms 271092 KB Output is correct
51 Correct 163 ms 271044 KB Output is correct
52 Correct 162 ms 271056 KB Output is correct
53 Correct 199 ms 271088 KB Output is correct
54 Correct 164 ms 271408 KB Output is correct
55 Correct 164 ms 271284 KB Output is correct
56 Correct 192 ms 273904 KB Output is correct
57 Correct 205 ms 273964 KB Output is correct
58 Correct 185 ms 273912 KB Output is correct
59 Correct 197 ms 274076 KB Output is correct
60 Correct 187 ms 273972 KB Output is correct
61 Correct 202 ms 273672 KB Output is correct
62 Correct 202 ms 274348 KB Output is correct
63 Correct 195 ms 274352 KB Output is correct
64 Correct 197 ms 274308 KB Output is correct
65 Correct 222 ms 273928 KB Output is correct
66 Correct 188 ms 274312 KB Output is correct
67 Correct 209 ms 274188 KB Output is correct
68 Correct 195 ms 274336 KB Output is correct
69 Correct 161 ms 271092 KB Output is correct
70 Correct 181 ms 271096 KB Output is correct
71 Correct 195 ms 274340 KB Output is correct
72 Correct 202 ms 274372 KB Output is correct
73 Correct 196 ms 274344 KB Output is correct
74 Correct 169 ms 271064 KB Output is correct
75 Correct 181 ms 271036 KB Output is correct
76 Correct 173 ms 271112 KB Output is correct
77 Correct 165 ms 271048 KB Output is correct
78 Correct 233 ms 273928 KB Output is correct
79 Correct 198 ms 273840 KB Output is correct
80 Correct 217 ms 273932 KB Output is correct
81 Correct 191 ms 274372 KB Output is correct
82 Correct 221 ms 273912 KB Output is correct
83 Correct 222 ms 273860 KB Output is correct
84 Correct 171 ms 271100 KB Output is correct
85 Correct 164 ms 271072 KB Output is correct
86 Correct 170 ms 271036 KB Output is correct
87 Correct 161 ms 271044 KB Output is correct
88 Correct 168 ms 271024 KB Output is correct
89 Correct 178 ms 271196 KB Output is correct
90 Correct 168 ms 271140 KB Output is correct
91 Correct 166 ms 271048 KB Output is correct
92 Correct 175 ms 271044 KB Output is correct
93 Correct 178 ms 271160 KB Output is correct
94 Correct 181 ms 271132 KB Output is correct
95 Correct 166 ms 271044 KB Output is correct
96 Correct 164 ms 271104 KB Output is correct
97 Correct 174 ms 271124 KB Output is correct
98 Correct 163 ms 271136 KB Output is correct
99 Correct 168 ms 271112 KB Output is correct
100 Correct 168 ms 271028 KB Output is correct
101 Correct 200 ms 271372 KB Output is correct
102 Correct 173 ms 271284 KB Output is correct
103 Correct 237 ms 273916 KB Output is correct
104 Correct 226 ms 273860 KB Output is correct
105 Correct 210 ms 273952 KB Output is correct
106 Correct 218 ms 273916 KB Output is correct
107 Correct 200 ms 274052 KB Output is correct
108 Correct 209 ms 273832 KB Output is correct
109 Correct 203 ms 274336 KB Output is correct
110 Correct 201 ms 274356 KB Output is correct
111 Correct 213 ms 273860 KB Output is correct
112 Correct 231 ms 273840 KB Output is correct
113 Correct 201 ms 273988 KB Output is correct
114 Correct 216 ms 273920 KB Output is correct
115 Correct 218 ms 273860 KB Output is correct