oj.uz

Submission #439049

# Submission time Handle Problem Language Result Execution time Memory
439049 2021-06-29T06:46:42 Z sean617 Arranging Shoes (IOI19_shoes) C++17
100 / 100
 218 ms 139728 KB 
#include "shoes.h"
#define N 200005
#include <cstdio>
#include <iostream>
#include <queue>

using namespace std;

typedef long long ll;

ll n, t, ans = 0, pa[N], s[N];
queue<ll> qu[N];
ll f_num(int p) {
	if (p < 0) return (n / 2 - p);
	else return p;
}

ll f(ll p) {
	ll re =0;
	while (p >= 1) {
		re += s[p];
		p -= (p & -p);
	}
	return re;
}

void g(ll p) {
	while (p <= n) {
		s[p]++;
		p += (p & -p);
	}
}

long long count_swaps(std::vector<int> a) {
    ll i, t, rt, tt, mi;
	n = a.size();
	for (i = 1; i <= n; i++) {
		t = f_num(a[i - 1]);
		rt = f_num(-a[i - 1]);
		if (qu[rt].empty()) {
			qu[t].push(i);
		} else {
			tt = qu[rt].front(); qu[rt].pop();
			pa[tt] = i;
			pa[i] = tt;
		}
	}
	for (i = 1; i <= n; i++) {
		if (i < pa[i]) {
			mi = f(pa[i]) - f(i);
			ans += (pa[i] - i - 1 - mi);
			if (a[i - 1] > 0) ans++;
			g(pa[i]);
		}
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 134856 KB Output is correct
2 Correct 106 ms 134856 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 134856 KB Output is correct
2 Correct 106 ms 134856 KB Output is correct
3 Correct 117 ms 134832 KB Output is correct
4 Correct 107 ms 134852 KB Output is correct
5 Correct 104 ms 134892 KB Output is correct
6 Correct 130 ms 134860 KB Output is correct
7 Correct 118 ms 134852 KB Output is correct
8 Correct 125 ms 134848 KB Output is correct
9 Correct 105 ms 134860 KB Output is correct
10 Correct 121 ms 134892 KB Output is correct
11 Correct 107 ms 134844 KB Output is correct
12 Correct 123 ms 134808 KB Output is correct
13 Correct 105 ms 134884 KB Output is correct
14 Correct 107 ms 134932 KB Output is correct
15 Correct 119 ms 134900 KB Output is correct
16 Correct 109 ms 134852 KB Output is correct
17 Correct 120 ms 134880 KB Output is correct
18 Correct 119 ms 134836 KB Output is correct
19 Correct 111 ms 134868 KB Output is correct
20 Correct 115 ms 134868 KB Output is correct
21 Correct 110 ms 134860 KB Output is correct
22 Correct 117 ms 134932 KB Output is correct
23 Correct 112 ms 134860 KB Output is correct
24 Correct 119 ms 134852 KB Output is correct
25 Correct 115 ms 134980 KB Output is correct
26 Correct 113 ms 134896 KB Output is correct
27 Correct 107 ms 135016 KB Output is correct
28 Correct 110 ms 134856 KB Output is correct
29 Correct 104 ms 134836 KB Output is correct
30 Correct 102 ms 134892 KB Output is correct
31 Correct 133 ms 134852 KB Output is correct
32 Correct 122 ms 134860 KB Output is correct
33 Correct 120 ms 134820 KB Output is correct
34 Correct 112 ms 134932 KB Output is correct
35 Correct 120 ms 134988 KB Output is correct
36 Correct 120 ms 134848 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 134856 KB Output is correct
2 Correct 106 ms 134856 KB Output is correct
3 Correct 105 ms 134836 KB Output is correct
4 Correct 109 ms 134920 KB Output is correct
5 Correct 116 ms 134916 KB Output is correct
6 Correct 139 ms 134816 KB Output is correct
7 Correct 105 ms 134852 KB Output is correct
8 Correct 117 ms 134852 KB Output is correct
9 Correct 120 ms 134852 KB Output is correct
10 Correct 114 ms 134852 KB Output is correct
11 Correct 108 ms 134928 KB Output is correct
12 Correct 111 ms 134808 KB Output is correct
13 Correct 107 ms 134836 KB Output is correct
14 Correct 118 ms 134924 KB Output is correct
15 Correct 133 ms 134916 KB Output is correct
16 Correct 131 ms 134840 KB Output is correct
17 Correct 101 ms 134860 KB Output is correct
18 Correct 104 ms 134880 KB Output is correct
19 Correct 107 ms 134964 KB Output is correct
20 Correct 124 ms 135276 KB Output is correct
21 Correct 108 ms 135356 KB Output is correct
22 Correct 150 ms 139528 KB Output is correct
23 Correct 136 ms 139512 KB Output is correct
24 Correct 145 ms 139556 KB Output is correct
25 Correct 150 ms 139700 KB Output is correct
26 Correct 162 ms 139592 KB Output is correct
27 Correct 141 ms 139624 KB Output is correct
28 Correct 164 ms 139560 KB Output is correct
29 Correct 160 ms 139652 KB Output is correct
30 Correct 140 ms 139660 KB Output is correct
31 Correct 141 ms 139616 KB Output is correct
32 Correct 150 ms 139728 KB Output is correct
33 Correct 161 ms 139604 KB Output is correct
34 Correct 168 ms 139552 KB Output is correct
35 Correct 112 ms 134868 KB Output is correct
36 Correct 120 ms 134908 KB Output is correct
37 Correct 140 ms 139556 KB Output is correct
38 Correct 143 ms 139564 KB Output is correct
39 Correct 150 ms 139588 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 128 ms 134852 KB Output is correct
2 Correct 107 ms 134848 KB Output is correct
3 Correct 107 ms 134848 KB Output is correct
4 Correct 105 ms 134852 KB Output is correct
5 Correct 218 ms 138760 KB Output is correct
6 Correct 160 ms 138780 KB Output is correct
7 Correct 179 ms 138820 KB Output is correct
8 Correct 146 ms 139680 KB Output is correct
9 Correct 178 ms 138812 KB Output is correct
10 Correct 170 ms 138744 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 134856 KB Output is correct
2 Correct 106 ms 134856 KB Output is correct
3 Correct 117 ms 134832 KB Output is correct
4 Correct 107 ms 134852 KB Output is correct
5 Correct 104 ms 134892 KB Output is correct
6 Correct 130 ms 134860 KB Output is correct
7 Correct 118 ms 134852 KB Output is correct
8 Correct 125 ms 134848 KB Output is correct
9 Correct 105 ms 134860 KB Output is correct
10 Correct 121 ms 134892 KB Output is correct
11 Correct 107 ms 134844 KB Output is correct
12 Correct 123 ms 134808 KB Output is correct
13 Correct 105 ms 134884 KB Output is correct
14 Correct 107 ms 134932 KB Output is correct
15 Correct 119 ms 134900 KB Output is correct
16 Correct 109 ms 134852 KB Output is correct
17 Correct 120 ms 134880 KB Output is correct
18 Correct 119 ms 134836 KB Output is correct
19 Correct 111 ms 134868 KB Output is correct
20 Correct 115 ms 134868 KB Output is correct
21 Correct 110 ms 134860 KB Output is correct
22 Correct 117 ms 134932 KB Output is correct
23 Correct 112 ms 134860 KB Output is correct
24 Correct 119 ms 134852 KB Output is correct
25 Correct 115 ms 134980 KB Output is correct
26 Correct 113 ms 134896 KB Output is correct
27 Correct 107 ms 135016 KB Output is correct
28 Correct 110 ms 134856 KB Output is correct
29 Correct 104 ms 134836 KB Output is correct
30 Correct 102 ms 134892 KB Output is correct
31 Correct 133 ms 134852 KB Output is correct
32 Correct 122 ms 134860 KB Output is correct
33 Correct 120 ms 134820 KB Output is correct
34 Correct 112 ms 134932 KB Output is correct
35 Correct 120 ms 134988 KB Output is correct
36 Correct 120 ms 134848 KB Output is correct
37 Correct 112 ms 134888 KB Output is correct
38 Correct 110 ms 134888 KB Output is correct
39 Correct 115 ms 134852 KB Output is correct
40 Correct 120 ms 134868 KB Output is correct
41 Correct 114 ms 134944 KB Output is correct
42 Correct 108 ms 134948 KB Output is correct
43 Correct 134 ms 134920 KB Output is correct
44 Correct 111 ms 134892 KB Output is correct
45 Correct 107 ms 134852 KB Output is correct
46 Correct 105 ms 134932 KB Output is correct
47 Correct 115 ms 134928 KB Output is correct
48 Correct 105 ms 134852 KB Output is correct
49 Correct 112 ms 134964 KB Output is correct
50 Correct 113 ms 134980 KB Output is correct
51 Correct 118 ms 134916 KB Output is correct
52 Correct 121 ms 134864 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 118 ms 134856 KB Output is correct
2 Correct 106 ms 134856 KB Output is correct
3 Correct 117 ms 134832 KB Output is correct
4 Correct 107 ms 134852 KB Output is correct
5 Correct 104 ms 134892 KB Output is correct
6 Correct 130 ms 134860 KB Output is correct
7 Correct 118 ms 134852 KB Output is correct
8 Correct 125 ms 134848 KB Output is correct
9 Correct 105 ms 134860 KB Output is correct
10 Correct 121 ms 134892 KB Output is correct
11 Correct 107 ms 134844 KB Output is correct
12 Correct 123 ms 134808 KB Output is correct
13 Correct 105 ms 134884 KB Output is correct
14 Correct 107 ms 134932 KB Output is correct
15 Correct 119 ms 134900 KB Output is correct
16 Correct 109 ms 134852 KB Output is correct
17 Correct 120 ms 134880 KB Output is correct
18 Correct 119 ms 134836 KB Output is correct
19 Correct 111 ms 134868 KB Output is correct
20 Correct 115 ms 134868 KB Output is correct
21 Correct 110 ms 134860 KB Output is correct
22 Correct 117 ms 134932 KB Output is correct
23 Correct 112 ms 134860 KB Output is correct
24 Correct 119 ms 134852 KB Output is correct
25 Correct 115 ms 134980 KB Output is correct
26 Correct 113 ms 134896 KB Output is correct
27 Correct 107 ms 135016 KB Output is correct
28 Correct 110 ms 134856 KB Output is correct
29 Correct 104 ms 134836 KB Output is correct
30 Correct 102 ms 134892 KB Output is correct
31 Correct 133 ms 134852 KB Output is correct
32 Correct 122 ms 134860 KB Output is correct
33 Correct 120 ms 134820 KB Output is correct
34 Correct 112 ms 134932 KB Output is correct
35 Correct 120 ms 134988 KB Output is correct
36 Correct 120 ms 134848 KB Output is correct
37 Correct 105 ms 134836 KB Output is correct
38 Correct 109 ms 134920 KB Output is correct
39 Correct 116 ms 134916 KB Output is correct
40 Correct 139 ms 134816 KB Output is correct
41 Correct 105 ms 134852 KB Output is correct
42 Correct 117 ms 134852 KB Output is correct
43 Correct 120 ms 134852 KB Output is correct
44 Correct 114 ms 134852 KB Output is correct
45 Correct 108 ms 134928 KB Output is correct
46 Correct 111 ms 134808 KB Output is correct
47 Correct 107 ms 134836 KB Output is correct
48 Correct 118 ms 134924 KB Output is correct
49 Correct 133 ms 134916 KB Output is correct
50 Correct 131 ms 134840 KB Output is correct
51 Correct 101 ms 134860 KB Output is correct
52 Correct 104 ms 134880 KB Output is correct
53 Correct 107 ms 134964 KB Output is correct
54 Correct 124 ms 135276 KB Output is correct
55 Correct 108 ms 135356 KB Output is correct
56 Correct 150 ms 139528 KB Output is correct
57 Correct 136 ms 139512 KB Output is correct
58 Correct 145 ms 139556 KB Output is correct
59 Correct 150 ms 139700 KB Output is correct
60 Correct 162 ms 139592 KB Output is correct
61 Correct 141 ms 139624 KB Output is correct
62 Correct 164 ms 139560 KB Output is correct
63 Correct 160 ms 139652 KB Output is correct
64 Correct 140 ms 139660 KB Output is correct
65 Correct 141 ms 139616 KB Output is correct
66 Correct 150 ms 139728 KB Output is correct
67 Correct 161 ms 139604 KB Output is correct
68 Correct 168 ms 139552 KB Output is correct
69 Correct 112 ms 134868 KB Output is correct
70 Correct 120 ms 134908 KB Output is correct
71 Correct 140 ms 139556 KB Output is correct
72 Correct 143 ms 139564 KB Output is correct
73 Correct 150 ms 139588 KB Output is correct
74 Correct 128 ms 134852 KB Output is correct
75 Correct 107 ms 134848 KB Output is correct
76 Correct 107 ms 134848 KB Output is correct
77 Correct 105 ms 134852 KB Output is correct
78 Correct 218 ms 138760 KB Output is correct
79 Correct 160 ms 138780 KB Output is correct
80 Correct 179 ms 138820 KB Output is correct
81 Correct 146 ms 139680 KB Output is correct
82 Correct 178 ms 138812 KB Output is correct
83 Correct 170 ms 138744 KB Output is correct
84 Correct 112 ms 134888 KB Output is correct
85 Correct 110 ms 134888 KB Output is correct
86 Correct 115 ms 134852 KB Output is correct
87 Correct 120 ms 134868 KB Output is correct
88 Correct 114 ms 134944 KB Output is correct
89 Correct 108 ms 134948 KB Output is correct
90 Correct 134 ms 134920 KB Output is correct
91 Correct 111 ms 134892 KB Output is correct
92 Correct 107 ms 134852 KB Output is correct
93 Correct 105 ms 134932 KB Output is correct
94 Correct 115 ms 134928 KB Output is correct
95 Correct 105 ms 134852 KB Output is correct
96 Correct 112 ms 134964 KB Output is correct
97 Correct 113 ms 134980 KB Output is correct
98 Correct 118 ms 134916 KB Output is correct
99 Correct 121 ms 134864 KB Output is correct
100 Correct 112 ms 134920 KB Output is correct
101 Correct 125 ms 135392 KB Output is correct
102 Correct 109 ms 135312 KB Output is correct
103 Correct 210 ms 139588 KB Output is correct
104 Correct 168 ms 139588 KB Output is correct
105 Correct 164 ms 139592 KB Output is correct
106 Correct 175 ms 138804 KB Output is correct
107 Correct 170 ms 139616 KB Output is correct
108 Correct 159 ms 139608 KB Output is correct
109 Correct 156 ms 139604 KB Output is correct
110 Correct 142 ms 139668 KB Output is correct
111 Correct 182 ms 138820 KB Output is correct
112 Correct 180 ms 139608 KB Output is correct
113 Correct 161 ms 138744 KB Output is correct
114 Correct 195 ms 138720 KB Output is correct
115 Correct 194 ms 138820 KB Output is correct