oj.uz

Submission #955603

# Submission time Handle Problem Language Result Execution time Memory
955603 2024-03-31T05:40:12 Z horiseun Arranging Shoes (IOI19_shoes) C++17
100 / 100
 189 ms 157144 KB 
#include <iostream>
#include <vector>
#include <queue>
#include <cstdlib>
#include <algorithm>
#include "shoes.h"
using namespace std;

#define ll long long

struct Node {
	int l, r, offset;
	Node *lft, *rht;
	Node (int tl, int tr): l(tl), r(tr), offset(0) {
		if (l + 1 != r) {
			lft = new Node(l, (l + r) / 2);
			rht = new Node((l + r) / 2, r);
		} else {
			lft = rht = NULL;
		}
	}
};

void update(Node *x, int l, int r, int v) {
	if (r <= x->l || x->r <= l) {
		return;
	}
	if (l <= x->l && x->r <= r) {
		x->offset += v;
		return;
	}
	update(x->lft, l, r, v);
	update(x->rht, l, r, v);
}

int query(Node *x, int pos) {
	if (pos < x->l || x->r <= pos) {
		return 0;
	}
	if (x->l + 1 == x->r) {
		return x->offset;
	}
	return query(x->lft, pos) + query(x->rht, pos) + x->offset;
}

Node *root;
queue<int> unpaired[100005][2];

ll count_swaps(vector<int> s) {
	root = new Node(0, s.size() + 5);
	ll ans = 0;
	for (int i = 0; i < s.size(); i++) {
		if (s[i] < 0) {
			if (unpaired[-s[i]][1].size()) {
				ans += i - (unpaired[-s[i]][1].front() + query(root, unpaired[-s[i]][1].front()));
				update(root, unpaired[-s[i]][1].front(), i + 1, 1);
				unpaired[-s[i]][1].pop();
			} else {
				unpaired[-s[i]][0].push(i);
			}
		} else {
			if (unpaired[s[i]][0].size()) {
				ans += i - (unpaired[s[i]][0].front() + query(root, unpaired[s[i]][0].front())) - 1;
				update(root, unpaired[s[i]][0].front(), i + 1, 1);
				unpaired[s[i]][0].pop();
			} else {
				unpaired[s[i]][1].push(i);
			}
		}	
	}
	return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:52:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |  for (int i = 0; i < s.size(); i++) {
      |                  ~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 134996 KB Output is correct
2 Correct 63 ms 134848 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 134996 KB Output is correct
2 Correct 63 ms 134848 KB Output is correct
3 Correct 63 ms 134992 KB Output is correct
4 Correct 64 ms 135076 KB Output is correct
5 Correct 64 ms 135056 KB Output is correct
6 Correct 64 ms 134988 KB Output is correct
7 Correct 77 ms 134996 KB Output is correct
8 Correct 64 ms 134992 KB Output is correct
9 Correct 63 ms 134992 KB Output is correct
10 Correct 61 ms 134884 KB Output is correct
11 Correct 60 ms 135216 KB Output is correct
12 Correct 61 ms 134996 KB Output is correct
13 Correct 66 ms 135064 KB Output is correct
14 Correct 62 ms 134996 KB Output is correct
15 Correct 61 ms 134992 KB Output is correct
16 Correct 77 ms 134996 KB Output is correct
17 Correct 61 ms 134992 KB Output is correct
18 Correct 62 ms 134992 KB Output is correct
19 Correct 62 ms 134984 KB Output is correct
20 Correct 61 ms 134992 KB Output is correct
21 Correct 63 ms 134944 KB Output is correct
22 Correct 69 ms 135248 KB Output is correct
23 Correct 62 ms 134884 KB Output is correct
24 Correct 61 ms 134876 KB Output is correct
25 Correct 64 ms 134900 KB Output is correct
26 Correct 63 ms 134996 KB Output is correct
27 Correct 61 ms 134996 KB Output is correct
28 Correct 63 ms 134996 KB Output is correct
29 Correct 63 ms 134992 KB Output is correct
30 Correct 66 ms 134992 KB Output is correct
31 Correct 63 ms 134992 KB Output is correct
32 Correct 61 ms 134996 KB Output is correct
33 Correct 61 ms 135004 KB Output is correct
34 Correct 62 ms 135004 KB Output is correct
35 Correct 63 ms 134996 KB Output is correct
36 Correct 62 ms 134992 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 134996 KB Output is correct
2 Correct 63 ms 134848 KB Output is correct
3 Correct 62 ms 134996 KB Output is correct
4 Correct 61 ms 135028 KB Output is correct
5 Correct 62 ms 134904 KB Output is correct
6 Correct 61 ms 135064 KB Output is correct
7 Correct 65 ms 134992 KB Output is correct
8 Correct 63 ms 134992 KB Output is correct
9 Correct 63 ms 135024 KB Output is correct
10 Correct 65 ms 134824 KB Output is correct
11 Correct 63 ms 134992 KB Output is correct
12 Correct 69 ms 134940 KB Output is correct
13 Correct 62 ms 135000 KB Output is correct
14 Correct 63 ms 135056 KB Output is correct
15 Correct 62 ms 134992 KB Output is correct
16 Correct 62 ms 134992 KB Output is correct
17 Correct 86 ms 135004 KB Output is correct
18 Correct 63 ms 135248 KB Output is correct
19 Correct 63 ms 135252 KB Output is correct
20 Correct 74 ms 137048 KB Output is correct
21 Correct 66 ms 136996 KB Output is correct
22 Correct 126 ms 156448 KB Output is correct
23 Correct 115 ms 156636 KB Output is correct
24 Correct 129 ms 156496 KB Output is correct
25 Correct 127 ms 157144 KB Output is correct
26 Correct 122 ms 156500 KB Output is correct
27 Correct 118 ms 156472 KB Output is correct
28 Correct 122 ms 157012 KB Output is correct
29 Correct 125 ms 157080 KB Output is correct
30 Correct 119 ms 156992 KB Output is correct
31 Correct 118 ms 156568 KB Output is correct
32 Correct 124 ms 157008 KB Output is correct
33 Correct 125 ms 156752 KB Output is correct
34 Correct 123 ms 157008 KB Output is correct
35 Correct 63 ms 134996 KB Output is correct
36 Correct 65 ms 134996 KB Output is correct
37 Correct 127 ms 157008 KB Output is correct
38 Correct 122 ms 157008 KB Output is correct
39 Correct 123 ms 157088 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 135040 KB Output is correct
2 Correct 61 ms 134992 KB Output is correct
3 Correct 62 ms 135008 KB Output is correct
4 Correct 62 ms 134836 KB Output is correct
5 Correct 145 ms 155284 KB Output is correct
6 Correct 127 ms 155252 KB Output is correct
7 Correct 145 ms 155412 KB Output is correct
8 Correct 119 ms 155616 KB Output is correct
9 Correct 151 ms 155220 KB Output is correct
10 Correct 141 ms 155216 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 134996 KB Output is correct
2 Correct 63 ms 134848 KB Output is correct
3 Correct 63 ms 134992 KB Output is correct
4 Correct 64 ms 135076 KB Output is correct
5 Correct 64 ms 135056 KB Output is correct
6 Correct 64 ms 134988 KB Output is correct
7 Correct 77 ms 134996 KB Output is correct
8 Correct 64 ms 134992 KB Output is correct
9 Correct 63 ms 134992 KB Output is correct
10 Correct 61 ms 134884 KB Output is correct
11 Correct 60 ms 135216 KB Output is correct
12 Correct 61 ms 134996 KB Output is correct
13 Correct 66 ms 135064 KB Output is correct
14 Correct 62 ms 134996 KB Output is correct
15 Correct 61 ms 134992 KB Output is correct
16 Correct 77 ms 134996 KB Output is correct
17 Correct 61 ms 134992 KB Output is correct
18 Correct 62 ms 134992 KB Output is correct
19 Correct 62 ms 134984 KB Output is correct
20 Correct 61 ms 134992 KB Output is correct
21 Correct 63 ms 134944 KB Output is correct
22 Correct 69 ms 135248 KB Output is correct
23 Correct 62 ms 134884 KB Output is correct
24 Correct 61 ms 134876 KB Output is correct
25 Correct 64 ms 134900 KB Output is correct
26 Correct 63 ms 134996 KB Output is correct
27 Correct 61 ms 134996 KB Output is correct
28 Correct 63 ms 134996 KB Output is correct
29 Correct 63 ms 134992 KB Output is correct
30 Correct 66 ms 134992 KB Output is correct
31 Correct 63 ms 134992 KB Output is correct
32 Correct 61 ms 134996 KB Output is correct
33 Correct 61 ms 135004 KB Output is correct
34 Correct 62 ms 135004 KB Output is correct
35 Correct 63 ms 134996 KB Output is correct
36 Correct 62 ms 134992 KB Output is correct
37 Correct 65 ms 134992 KB Output is correct
38 Correct 64 ms 135052 KB Output is correct
39 Correct 62 ms 134996 KB Output is correct
40 Correct 62 ms 134996 KB Output is correct
41 Correct 63 ms 135248 KB Output is correct
42 Correct 63 ms 135248 KB Output is correct
43 Correct 63 ms 135048 KB Output is correct
44 Correct 63 ms 135248 KB Output is correct
45 Correct 80 ms 135252 KB Output is correct
46 Correct 62 ms 135252 KB Output is correct
47 Correct 63 ms 135204 KB Output is correct
48 Correct 64 ms 135248 KB Output is correct
49 Correct 66 ms 135260 KB Output is correct
50 Correct 64 ms 135248 KB Output is correct
51 Correct 63 ms 135028 KB Output is correct
52 Correct 76 ms 135264 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 64 ms 134996 KB Output is correct
2 Correct 63 ms 134848 KB Output is correct
3 Correct 63 ms 134992 KB Output is correct
4 Correct 64 ms 135076 KB Output is correct
5 Correct 64 ms 135056 KB Output is correct
6 Correct 64 ms 134988 KB Output is correct
7 Correct 77 ms 134996 KB Output is correct
8 Correct 64 ms 134992 KB Output is correct
9 Correct 63 ms 134992 KB Output is correct
10 Correct 61 ms 134884 KB Output is correct
11 Correct 60 ms 135216 KB Output is correct
12 Correct 61 ms 134996 KB Output is correct
13 Correct 66 ms 135064 KB Output is correct
14 Correct 62 ms 134996 KB Output is correct
15 Correct 61 ms 134992 KB Output is correct
16 Correct 77 ms 134996 KB Output is correct
17 Correct 61 ms 134992 KB Output is correct
18 Correct 62 ms 134992 KB Output is correct
19 Correct 62 ms 134984 KB Output is correct
20 Correct 61 ms 134992 KB Output is correct
21 Correct 63 ms 134944 KB Output is correct
22 Correct 69 ms 135248 KB Output is correct
23 Correct 62 ms 134884 KB Output is correct
24 Correct 61 ms 134876 KB Output is correct
25 Correct 64 ms 134900 KB Output is correct
26 Correct 63 ms 134996 KB Output is correct
27 Correct 61 ms 134996 KB Output is correct
28 Correct 63 ms 134996 KB Output is correct
29 Correct 63 ms 134992 KB Output is correct
30 Correct 66 ms 134992 KB Output is correct
31 Correct 63 ms 134992 KB Output is correct
32 Correct 61 ms 134996 KB Output is correct
33 Correct 61 ms 135004 KB Output is correct
34 Correct 62 ms 135004 KB Output is correct
35 Correct 63 ms 134996 KB Output is correct
36 Correct 62 ms 134992 KB Output is correct
37 Correct 62 ms 134996 KB Output is correct
38 Correct 61 ms 135028 KB Output is correct
39 Correct 62 ms 134904 KB Output is correct
40 Correct 61 ms 135064 KB Output is correct
41 Correct 65 ms 134992 KB Output is correct
42 Correct 63 ms 134992 KB Output is correct
43 Correct 63 ms 135024 KB Output is correct
44 Correct 65 ms 134824 KB Output is correct
45 Correct 63 ms 134992 KB Output is correct
46 Correct 69 ms 134940 KB Output is correct
47 Correct 62 ms 135000 KB Output is correct
48 Correct 63 ms 135056 KB Output is correct
49 Correct 62 ms 134992 KB Output is correct
50 Correct 62 ms 134992 KB Output is correct
51 Correct 86 ms 135004 KB Output is correct
52 Correct 63 ms 135248 KB Output is correct
53 Correct 63 ms 135252 KB Output is correct
54 Correct 74 ms 137048 KB Output is correct
55 Correct 66 ms 136996 KB Output is correct
56 Correct 126 ms 156448 KB Output is correct
57 Correct 115 ms 156636 KB Output is correct
58 Correct 129 ms 156496 KB Output is correct
59 Correct 127 ms 157144 KB Output is correct
60 Correct 122 ms 156500 KB Output is correct
61 Correct 118 ms 156472 KB Output is correct
62 Correct 122 ms 157012 KB Output is correct
63 Correct 125 ms 157080 KB Output is correct
64 Correct 119 ms 156992 KB Output is correct
65 Correct 118 ms 156568 KB Output is correct
66 Correct 124 ms 157008 KB Output is correct
67 Correct 125 ms 156752 KB Output is correct
68 Correct 123 ms 157008 KB Output is correct
69 Correct 63 ms 134996 KB Output is correct
70 Correct 65 ms 134996 KB Output is correct
71 Correct 127 ms 157008 KB Output is correct
72 Correct 122 ms 157008 KB Output is correct
73 Correct 123 ms 157088 KB Output is correct
74 Correct 67 ms 135040 KB Output is correct
75 Correct 61 ms 134992 KB Output is correct
76 Correct 62 ms 135008 KB Output is correct
77 Correct 62 ms 134836 KB Output is correct
78 Correct 145 ms 155284 KB Output is correct
79 Correct 127 ms 155252 KB Output is correct
80 Correct 145 ms 155412 KB Output is correct
81 Correct 119 ms 155616 KB Output is correct
82 Correct 151 ms 155220 KB Output is correct
83 Correct 141 ms 155216 KB Output is correct
84 Correct 65 ms 134992 KB Output is correct
85 Correct 64 ms 135052 KB Output is correct
86 Correct 62 ms 134996 KB Output is correct
87 Correct 62 ms 134996 KB Output is correct
88 Correct 63 ms 135248 KB Output is correct
89 Correct 63 ms 135248 KB Output is correct
90 Correct 63 ms 135048 KB Output is correct
91 Correct 63 ms 135248 KB Output is correct
92 Correct 80 ms 135252 KB Output is correct
93 Correct 62 ms 135252 KB Output is correct
94 Correct 63 ms 135204 KB Output is correct
95 Correct 64 ms 135248 KB Output is correct
96 Correct 66 ms 135260 KB Output is correct
97 Correct 64 ms 135248 KB Output is correct
98 Correct 63 ms 135028 KB Output is correct
99 Correct 76 ms 135264 KB Output is correct
100 Correct 65 ms 135220 KB Output is correct
101 Correct 71 ms 137180 KB Output is correct
102 Correct 78 ms 137100 KB Output is correct
103 Correct 189 ms 156592 KB Output is correct
104 Correct 132 ms 156496 KB Output is correct
105 Correct 141 ms 156500 KB Output is correct
106 Correct 152 ms 156668 KB Output is correct
107 Correct 123 ms 156424 KB Output is correct
108 Correct 124 ms 156500 KB Output is correct
109 Correct 121 ms 157008 KB Output is correct
110 Correct 124 ms 157048 KB Output is correct
111 Correct 152 ms 156696 KB Output is correct
112 Correct 179 ms 156496 KB Output is correct
113 Correct 153 ms 156496 KB Output is correct
114 Correct 153 ms 156756 KB Output is correct
115 Correct 165 ms 156496 KB Output is correct