oj.uz

Submission #293530

# Submission time Handle Problem Language Result Execution time Memory
293530 2020-09-08T07:24:14 Z DystoriaX Arranging Shoes (IOI19_shoes) C++14
100 / 100
 209 ms 139512 KB 
#include "shoes.h"

#include <vector>
#include <algorithm>
#include <deque>
#include <bitset>
#include <iostream>

using namespace std;

int n;
int bit[200010];

void update(int x, int val){
	for(; x <= n; x += x & (-x)) bit[x] += val;
}

int query(int x){
	int ret = 0;

	for(; x; x -= x & (-x)) ret += bit[x];

	return ret;
}

int query(int l, int r){
	if(l > r) return 0;
	return query(r) - query(l - 1);
}

bitset<200010> vis;
deque<int> lf[100010], rg[100010];

long long count_swaps(vector<int> s) {
	n = s.size();

	int pos = 0;
	for(auto &k : s){
		if(k > 0) rg[k].emplace_back(++pos);
		else lf[-k].emplace_back(++pos);

		update(pos, 1);
	}

	long long ans = 0;
	for(int i = 1; i <= n; i++){
		// cerr << i << "\n";
		if(vis[i]) continue;

		vis[i] = true;

		if(s[i - 1] < 0){
			int idx = -s[i - 1];
			
			lf[idx].pop_front();
			int nxt = rg[idx].front(); rg[idx].pop_front();

			ans += query(i + 1, nxt - 1);

			update(nxt, -1);

			vis[nxt] = true;
		} else {
			int idx = s[i - 1];

			rg[idx].pop_front();
			int nxt = lf[idx].front(); lf[idx].pop_front();

			ans += query(i, nxt - 1);

			update(nxt, -1);

			vis[nxt] = true;
		}

		// cerr << i << " " << ans << "\n";

		update(i, 0);
	}

	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 135064 KB Output is correct
2 Correct 108 ms 135032 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 135064 KB Output is correct
2 Correct 108 ms 135032 KB Output is correct
3 Correct 103 ms 134904 KB Output is correct
4 Correct 102 ms 135032 KB Output is correct
5 Correct 102 ms 135104 KB Output is correct
6 Correct 102 ms 135032 KB Output is correct
7 Correct 101 ms 135032 KB Output is correct
8 Correct 105 ms 135032 KB Output is correct
9 Correct 103 ms 135000 KB Output is correct
10 Correct 103 ms 134904 KB Output is correct
11 Correct 108 ms 135032 KB Output is correct
12 Correct 105 ms 135032 KB Output is correct
13 Correct 103 ms 135036 KB Output is correct
14 Correct 105 ms 135032 KB Output is correct
15 Correct 104 ms 135032 KB Output is correct
16 Correct 108 ms 134904 KB Output is correct
17 Correct 105 ms 135032 KB Output is correct
18 Correct 106 ms 134904 KB Output is correct
19 Correct 104 ms 135032 KB Output is correct
20 Correct 104 ms 135032 KB Output is correct
21 Correct 105 ms 134904 KB Output is correct
22 Correct 107 ms 134908 KB Output is correct
23 Correct 110 ms 135032 KB Output is correct
24 Correct 105 ms 135032 KB Output is correct
25 Correct 108 ms 135032 KB Output is correct
26 Correct 104 ms 134904 KB Output is correct
27 Correct 106 ms 135032 KB Output is correct
28 Correct 104 ms 134904 KB Output is correct
29 Correct 105 ms 135032 KB Output is correct
30 Correct 104 ms 135036 KB Output is correct
31 Correct 106 ms 134952 KB Output is correct
32 Correct 105 ms 135032 KB Output is correct
33 Correct 113 ms 135032 KB Output is correct
34 Correct 104 ms 135032 KB Output is correct
35 Correct 109 ms 134964 KB Output is correct
36 Correct 103 ms 135032 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 135064 KB Output is correct
2 Correct 108 ms 135032 KB Output is correct
3 Correct 111 ms 135032 KB Output is correct
4 Correct 110 ms 135032 KB Output is correct
5 Correct 108 ms 135032 KB Output is correct
6 Correct 102 ms 135032 KB Output is correct
7 Correct 104 ms 135032 KB Output is correct
8 Correct 121 ms 134972 KB Output is correct
9 Correct 113 ms 135008 KB Output is correct
10 Correct 108 ms 135032 KB Output is correct
11 Correct 106 ms 135024 KB Output is correct
12 Correct 106 ms 135008 KB Output is correct
13 Correct 111 ms 135032 KB Output is correct
14 Correct 102 ms 134908 KB Output is correct
15 Correct 114 ms 134936 KB Output is correct
16 Correct 107 ms 135032 KB Output is correct
17 Correct 141 ms 135008 KB Output is correct
18 Correct 115 ms 135032 KB Output is correct
19 Correct 116 ms 135032 KB Output is correct
20 Correct 117 ms 135356 KB Output is correct
21 Correct 131 ms 135416 KB Output is correct
22 Correct 157 ms 139444 KB Output is correct
23 Correct 160 ms 139464 KB Output is correct
24 Correct 162 ms 139424 KB Output is correct
25 Correct 159 ms 139400 KB Output is correct
26 Correct 200 ms 139384 KB Output is correct
27 Correct 152 ms 139256 KB Output is correct
28 Correct 152 ms 139388 KB Output is correct
29 Correct 155 ms 139384 KB Output is correct
30 Correct 151 ms 139384 KB Output is correct
31 Correct 157 ms 139384 KB Output is correct
32 Correct 151 ms 139384 KB Output is correct
33 Correct 149 ms 139256 KB Output is correct
34 Correct 153 ms 139384 KB Output is correct
35 Correct 105 ms 135032 KB Output is correct
36 Correct 105 ms 135032 KB Output is correct
37 Correct 150 ms 139384 KB Output is correct
38 Correct 151 ms 139512 KB Output is correct
39 Correct 157 ms 139440 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 107 ms 135028 KB Output is correct
2 Correct 105 ms 135032 KB Output is correct
3 Correct 106 ms 134904 KB Output is correct
4 Correct 104 ms 135032 KB Output is correct
5 Correct 196 ms 138616 KB Output is correct
6 Correct 174 ms 138616 KB Output is correct
7 Correct 199 ms 138720 KB Output is correct
8 Correct 154 ms 139512 KB Output is correct
9 Correct 200 ms 138616 KB Output is correct
10 Correct 192 ms 138616 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 135064 KB Output is correct
2 Correct 108 ms 135032 KB Output is correct
3 Correct 103 ms 134904 KB Output is correct
4 Correct 102 ms 135032 KB Output is correct
5 Correct 102 ms 135104 KB Output is correct
6 Correct 102 ms 135032 KB Output is correct
7 Correct 101 ms 135032 KB Output is correct
8 Correct 105 ms 135032 KB Output is correct
9 Correct 103 ms 135000 KB Output is correct
10 Correct 103 ms 134904 KB Output is correct
11 Correct 108 ms 135032 KB Output is correct
12 Correct 105 ms 135032 KB Output is correct
13 Correct 103 ms 135036 KB Output is correct
14 Correct 105 ms 135032 KB Output is correct
15 Correct 104 ms 135032 KB Output is correct
16 Correct 108 ms 134904 KB Output is correct
17 Correct 105 ms 135032 KB Output is correct
18 Correct 106 ms 134904 KB Output is correct
19 Correct 104 ms 135032 KB Output is correct
20 Correct 104 ms 135032 KB Output is correct
21 Correct 105 ms 134904 KB Output is correct
22 Correct 107 ms 134908 KB Output is correct
23 Correct 110 ms 135032 KB Output is correct
24 Correct 105 ms 135032 KB Output is correct
25 Correct 108 ms 135032 KB Output is correct
26 Correct 104 ms 134904 KB Output is correct
27 Correct 106 ms 135032 KB Output is correct
28 Correct 104 ms 134904 KB Output is correct
29 Correct 105 ms 135032 KB Output is correct
30 Correct 104 ms 135036 KB Output is correct
31 Correct 106 ms 134952 KB Output is correct
32 Correct 105 ms 135032 KB Output is correct
33 Correct 113 ms 135032 KB Output is correct
34 Correct 104 ms 135032 KB Output is correct
35 Correct 109 ms 134964 KB Output is correct
36 Correct 103 ms 135032 KB Output is correct
37 Correct 112 ms 135032 KB Output is correct
38 Correct 107 ms 134908 KB Output is correct
39 Correct 115 ms 134904 KB Output is correct
40 Correct 104 ms 135032 KB Output is correct
41 Correct 107 ms 135012 KB Output is correct
42 Correct 106 ms 135032 KB Output is correct
43 Correct 108 ms 134980 KB Output is correct
44 Correct 109 ms 135032 KB Output is correct
45 Correct 109 ms 135032 KB Output is correct
46 Correct 108 ms 135032 KB Output is correct
47 Correct 108 ms 135036 KB Output is correct
48 Correct 107 ms 135032 KB Output is correct
49 Correct 107 ms 135032 KB Output is correct
50 Correct 117 ms 135032 KB Output is correct
51 Correct 115 ms 135032 KB Output is correct
52 Correct 111 ms 135036 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 109 ms 135064 KB Output is correct
2 Correct 108 ms 135032 KB Output is correct
3 Correct 103 ms 134904 KB Output is correct
4 Correct 102 ms 135032 KB Output is correct
5 Correct 102 ms 135104 KB Output is correct
6 Correct 102 ms 135032 KB Output is correct
7 Correct 101 ms 135032 KB Output is correct
8 Correct 105 ms 135032 KB Output is correct
9 Correct 103 ms 135000 KB Output is correct
10 Correct 103 ms 134904 KB Output is correct
11 Correct 108 ms 135032 KB Output is correct
12 Correct 105 ms 135032 KB Output is correct
13 Correct 103 ms 135036 KB Output is correct
14 Correct 105 ms 135032 KB Output is correct
15 Correct 104 ms 135032 KB Output is correct
16 Correct 108 ms 134904 KB Output is correct
17 Correct 105 ms 135032 KB Output is correct
18 Correct 106 ms 134904 KB Output is correct
19 Correct 104 ms 135032 KB Output is correct
20 Correct 104 ms 135032 KB Output is correct
21 Correct 105 ms 134904 KB Output is correct
22 Correct 107 ms 134908 KB Output is correct
23 Correct 110 ms 135032 KB Output is correct
24 Correct 105 ms 135032 KB Output is correct
25 Correct 108 ms 135032 KB Output is correct
26 Correct 104 ms 134904 KB Output is correct
27 Correct 106 ms 135032 KB Output is correct
28 Correct 104 ms 134904 KB Output is correct
29 Correct 105 ms 135032 KB Output is correct
30 Correct 104 ms 135036 KB Output is correct
31 Correct 106 ms 134952 KB Output is correct
32 Correct 105 ms 135032 KB Output is correct
33 Correct 113 ms 135032 KB Output is correct
34 Correct 104 ms 135032 KB Output is correct
35 Correct 109 ms 134964 KB Output is correct
36 Correct 103 ms 135032 KB Output is correct
37 Correct 111 ms 135032 KB Output is correct
38 Correct 110 ms 135032 KB Output is correct
39 Correct 108 ms 135032 KB Output is correct
40 Correct 102 ms 135032 KB Output is correct
41 Correct 104 ms 135032 KB Output is correct
42 Correct 121 ms 134972 KB Output is correct
43 Correct 113 ms 135008 KB Output is correct
44 Correct 108 ms 135032 KB Output is correct
45 Correct 106 ms 135024 KB Output is correct
46 Correct 106 ms 135008 KB Output is correct
47 Correct 111 ms 135032 KB Output is correct
48 Correct 102 ms 134908 KB Output is correct
49 Correct 114 ms 134936 KB Output is correct
50 Correct 107 ms 135032 KB Output is correct
51 Correct 141 ms 135008 KB Output is correct
52 Correct 115 ms 135032 KB Output is correct
53 Correct 116 ms 135032 KB Output is correct
54 Correct 117 ms 135356 KB Output is correct
55 Correct 131 ms 135416 KB Output is correct
56 Correct 157 ms 139444 KB Output is correct
57 Correct 160 ms 139464 KB Output is correct
58 Correct 162 ms 139424 KB Output is correct
59 Correct 159 ms 139400 KB Output is correct
60 Correct 200 ms 139384 KB Output is correct
61 Correct 152 ms 139256 KB Output is correct
62 Correct 152 ms 139388 KB Output is correct
63 Correct 155 ms 139384 KB Output is correct
64 Correct 151 ms 139384 KB Output is correct
65 Correct 157 ms 139384 KB Output is correct
66 Correct 151 ms 139384 KB Output is correct
67 Correct 149 ms 139256 KB Output is correct
68 Correct 153 ms 139384 KB Output is correct
69 Correct 105 ms 135032 KB Output is correct
70 Correct 105 ms 135032 KB Output is correct
71 Correct 150 ms 139384 KB Output is correct
72 Correct 151 ms 139512 KB Output is correct
73 Correct 157 ms 139440 KB Output is correct
74 Correct 107 ms 135028 KB Output is correct
75 Correct 105 ms 135032 KB Output is correct
76 Correct 106 ms 134904 KB Output is correct
77 Correct 104 ms 135032 KB Output is correct
78 Correct 196 ms 138616 KB Output is correct
79 Correct 174 ms 138616 KB Output is correct
80 Correct 199 ms 138720 KB Output is correct
81 Correct 154 ms 139512 KB Output is correct
82 Correct 200 ms 138616 KB Output is correct
83 Correct 192 ms 138616 KB Output is correct
84 Correct 112 ms 135032 KB Output is correct
85 Correct 107 ms 134908 KB Output is correct
86 Correct 115 ms 134904 KB Output is correct
87 Correct 104 ms 135032 KB Output is correct
88 Correct 107 ms 135012 KB Output is correct
89 Correct 106 ms 135032 KB Output is correct
90 Correct 108 ms 134980 KB Output is correct
91 Correct 109 ms 135032 KB Output is correct
92 Correct 109 ms 135032 KB Output is correct
93 Correct 108 ms 135032 KB Output is correct
94 Correct 108 ms 135036 KB Output is correct
95 Correct 107 ms 135032 KB Output is correct
96 Correct 107 ms 135032 KB Output is correct
97 Correct 117 ms 135032 KB Output is correct
98 Correct 115 ms 135032 KB Output is correct
99 Correct 111 ms 135036 KB Output is correct
100 Correct 107 ms 135032 KB Output is correct
101 Correct 113 ms 135288 KB Output is correct
102 Correct 113 ms 135416 KB Output is correct
103 Correct 204 ms 138744 KB Output is correct
104 Correct 209 ms 138604 KB Output is correct
105 Correct 206 ms 138616 KB Output is correct
106 Correct 191 ms 138616 KB Output is correct
107 Correct 181 ms 138616 KB Output is correct
108 Correct 185 ms 138616 KB Output is correct
109 Correct 152 ms 139492 KB Output is correct
110 Correct 156 ms 139384 KB Output is correct
111 Correct 199 ms 138744 KB Output is correct
112 Correct 207 ms 138616 KB Output is correct
113 Correct 174 ms 138616 KB Output is correct
114 Correct 193 ms 138732 KB Output is correct
115 Correct 200 ms 138616 KB Output is correct