oj.uz

Submission #965391

# Submission time Handle Problem Language Result Execution time Memory
965391 2024-04-18T12:30:58 Z Syrius Arranging Shoes (IOI19_shoes) C++14
100 / 100
 202 ms 275704 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;

// #define int long long
#define ll long long
#define ff first
#define ss second
#define pint pair < int , int >
#define fast ios_base::sync_with_stdio(NULL); cin.tie(NULL)

const int inf = 1e9 + 9;
const int mxn = 2e5 + 2;
const int mod = 1e9 + 7;

ll fn[mxn];
void update(int x , int v) {
	for (; x < mxn; x += x&-x) {
		fn[x] += v;
	}
}

ll query(int l , int r) {
	ll ans = 0;
	l--;
	for (; r > 0; r -= r&-r) ans += fn[r];
	for (; l > 0; l -= l&-l) ans -= fn[l];
	return ans;
}

queue < ll > le[mxn] , ri[mxn];
bool b[mxn];

ll count_swaps(vector < int > v) {

	ll n = v.size() / 2;

	for (ll i = 0; i < 2*n; i++) {
		if (v[i] < 0) le[-v[i]].push(i);
		else ri[v[i]].push(i);
		update(i+1 , 1);
	}

	ll ans = 0;
	for (ll i = 0; i < 2*n; i++) {
		if (b[i]) continue;
		ll id;
		if (v[i] < 0) {
			id = ri[-v[i]].front();
			ans += query(i+2 , id);
			update(id+1 , -1);
		} else {
			id = le[v[i]].front();
			ans += query(i+2 , id) + 1;
			update(id+1 , -1);
		}
		ri[abs(v[i])].pop();
		le[abs(v[i])].pop();
		
		b[id] = 1;
	}

	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 271188 KB Output is correct
2 Correct 177 ms 270984 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 271188 KB Output is correct
2 Correct 177 ms 270984 KB Output is correct
3 Correct 148 ms 271012 KB Output is correct
4 Correct 136 ms 271052 KB Output is correct
5 Correct 136 ms 271056 KB Output is correct
6 Correct 133 ms 271184 KB Output is correct
7 Correct 138 ms 271188 KB Output is correct
8 Correct 132 ms 271148 KB Output is correct
9 Correct 132 ms 271188 KB Output is correct
10 Correct 165 ms 271044 KB Output is correct
11 Correct 142 ms 271124 KB Output is correct
12 Correct 135 ms 271184 KB Output is correct
13 Correct 135 ms 271192 KB Output is correct
14 Correct 132 ms 271188 KB Output is correct
15 Correct 138 ms 271048 KB Output is correct
16 Correct 129 ms 271188 KB Output is correct
17 Correct 146 ms 271204 KB Output is correct
18 Correct 134 ms 271188 KB Output is correct
19 Correct 144 ms 271188 KB Output is correct
20 Correct 140 ms 271120 KB Output is correct
21 Correct 138 ms 271192 KB Output is correct
22 Correct 145 ms 271228 KB Output is correct
23 Correct 135 ms 271188 KB Output is correct
24 Correct 136 ms 271188 KB Output is correct
25 Correct 131 ms 271044 KB Output is correct
26 Correct 143 ms 271068 KB Output is correct
27 Correct 138 ms 271064 KB Output is correct
28 Correct 140 ms 271032 KB Output is correct
29 Correct 143 ms 271316 KB Output is correct
30 Correct 133 ms 271036 KB Output is correct
31 Correct 132 ms 271188 KB Output is correct
32 Correct 130 ms 271068 KB Output is correct
33 Correct 151 ms 271296 KB Output is correct
34 Correct 134 ms 271184 KB Output is correct
35 Correct 134 ms 270980 KB Output is correct
36 Correct 136 ms 271012 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 271188 KB Output is correct
2 Correct 177 ms 270984 KB Output is correct
3 Correct 134 ms 271184 KB Output is correct
4 Correct 135 ms 271184 KB Output is correct
5 Correct 132 ms 271012 KB Output is correct
6 Correct 134 ms 271144 KB Output is correct
7 Correct 133 ms 271160 KB Output is correct
8 Correct 135 ms 271184 KB Output is correct
9 Correct 139 ms 271092 KB Output is correct
10 Correct 135 ms 271080 KB Output is correct
11 Correct 152 ms 271184 KB Output is correct
12 Correct 131 ms 271184 KB Output is correct
13 Correct 140 ms 271292 KB Output is correct
14 Correct 135 ms 270996 KB Output is correct
15 Correct 130 ms 271184 KB Output is correct
16 Correct 148 ms 271228 KB Output is correct
17 Correct 134 ms 271188 KB Output is correct
18 Correct 149 ms 271124 KB Output is correct
19 Correct 151 ms 271008 KB Output is correct
20 Correct 156 ms 271528 KB Output is correct
21 Correct 156 ms 271508 KB Output is correct
22 Correct 173 ms 275704 KB Output is correct
23 Correct 172 ms 275392 KB Output is correct
24 Correct 168 ms 275388 KB Output is correct
25 Correct 173 ms 275540 KB Output is correct
26 Correct 167 ms 275284 KB Output is correct
27 Correct 165 ms 275288 KB Output is correct
28 Correct 172 ms 275252 KB Output is correct
29 Correct 163 ms 275328 KB Output is correct
30 Correct 170 ms 275348 KB Output is correct
31 Correct 169 ms 275280 KB Output is correct
32 Correct 166 ms 275240 KB Output is correct
33 Correct 165 ms 275288 KB Output is correct
34 Correct 179 ms 275284 KB Output is correct
35 Correct 135 ms 271188 KB Output is correct
36 Correct 143 ms 271068 KB Output is correct
37 Correct 164 ms 275208 KB Output is correct
38 Correct 165 ms 275288 KB Output is correct
39 Correct 167 ms 275276 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 271120 KB Output is correct
2 Correct 137 ms 271008 KB Output is correct
3 Correct 129 ms 271188 KB Output is correct
4 Correct 146 ms 271092 KB Output is correct
5 Correct 198 ms 273956 KB Output is correct
6 Correct 166 ms 273592 KB Output is correct
7 Correct 195 ms 273492 KB Output is correct
8 Correct 161 ms 275352 KB Output is correct
9 Correct 189 ms 273488 KB Output is correct
10 Correct 182 ms 273476 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 271188 KB Output is correct
2 Correct 177 ms 270984 KB Output is correct
3 Correct 148 ms 271012 KB Output is correct
4 Correct 136 ms 271052 KB Output is correct
5 Correct 136 ms 271056 KB Output is correct
6 Correct 133 ms 271184 KB Output is correct
7 Correct 138 ms 271188 KB Output is correct
8 Correct 132 ms 271148 KB Output is correct
9 Correct 132 ms 271188 KB Output is correct
10 Correct 165 ms 271044 KB Output is correct
11 Correct 142 ms 271124 KB Output is correct
12 Correct 135 ms 271184 KB Output is correct
13 Correct 135 ms 271192 KB Output is correct
14 Correct 132 ms 271188 KB Output is correct
15 Correct 138 ms 271048 KB Output is correct
16 Correct 129 ms 271188 KB Output is correct
17 Correct 146 ms 271204 KB Output is correct
18 Correct 134 ms 271188 KB Output is correct
19 Correct 144 ms 271188 KB Output is correct
20 Correct 140 ms 271120 KB Output is correct
21 Correct 138 ms 271192 KB Output is correct
22 Correct 145 ms 271228 KB Output is correct
23 Correct 135 ms 271188 KB Output is correct
24 Correct 136 ms 271188 KB Output is correct
25 Correct 131 ms 271044 KB Output is correct
26 Correct 143 ms 271068 KB Output is correct
27 Correct 138 ms 271064 KB Output is correct
28 Correct 140 ms 271032 KB Output is correct
29 Correct 143 ms 271316 KB Output is correct
30 Correct 133 ms 271036 KB Output is correct
31 Correct 132 ms 271188 KB Output is correct
32 Correct 130 ms 271068 KB Output is correct
33 Correct 151 ms 271296 KB Output is correct
34 Correct 134 ms 271184 KB Output is correct
35 Correct 134 ms 270980 KB Output is correct
36 Correct 136 ms 271012 KB Output is correct
37 Correct 129 ms 271188 KB Output is correct
38 Correct 132 ms 271188 KB Output is correct
39 Correct 130 ms 271184 KB Output is correct
40 Correct 133 ms 271324 KB Output is correct
41 Correct 130 ms 271184 KB Output is correct
42 Correct 132 ms 271184 KB Output is correct
43 Correct 132 ms 271184 KB Output is correct
44 Correct 133 ms 271140 KB Output is correct
45 Correct 153 ms 271048 KB Output is correct
46 Correct 133 ms 271188 KB Output is correct
47 Correct 137 ms 271132 KB Output is correct
48 Correct 135 ms 271056 KB Output is correct
49 Correct 131 ms 271096 KB Output is correct
50 Correct 143 ms 271148 KB Output is correct
51 Correct 152 ms 271444 KB Output is correct
52 Correct 139 ms 271192 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 190 ms 271188 KB Output is correct
2 Correct 177 ms 270984 KB Output is correct
3 Correct 148 ms 271012 KB Output is correct
4 Correct 136 ms 271052 KB Output is correct
5 Correct 136 ms 271056 KB Output is correct
6 Correct 133 ms 271184 KB Output is correct
7 Correct 138 ms 271188 KB Output is correct
8 Correct 132 ms 271148 KB Output is correct
9 Correct 132 ms 271188 KB Output is correct
10 Correct 165 ms 271044 KB Output is correct
11 Correct 142 ms 271124 KB Output is correct
12 Correct 135 ms 271184 KB Output is correct
13 Correct 135 ms 271192 KB Output is correct
14 Correct 132 ms 271188 KB Output is correct
15 Correct 138 ms 271048 KB Output is correct
16 Correct 129 ms 271188 KB Output is correct
17 Correct 146 ms 271204 KB Output is correct
18 Correct 134 ms 271188 KB Output is correct
19 Correct 144 ms 271188 KB Output is correct
20 Correct 140 ms 271120 KB Output is correct
21 Correct 138 ms 271192 KB Output is correct
22 Correct 145 ms 271228 KB Output is correct
23 Correct 135 ms 271188 KB Output is correct
24 Correct 136 ms 271188 KB Output is correct
25 Correct 131 ms 271044 KB Output is correct
26 Correct 143 ms 271068 KB Output is correct
27 Correct 138 ms 271064 KB Output is correct
28 Correct 140 ms 271032 KB Output is correct
29 Correct 143 ms 271316 KB Output is correct
30 Correct 133 ms 271036 KB Output is correct
31 Correct 132 ms 271188 KB Output is correct
32 Correct 130 ms 271068 KB Output is correct
33 Correct 151 ms 271296 KB Output is correct
34 Correct 134 ms 271184 KB Output is correct
35 Correct 134 ms 270980 KB Output is correct
36 Correct 136 ms 271012 KB Output is correct
37 Correct 134 ms 271184 KB Output is correct
38 Correct 135 ms 271184 KB Output is correct
39 Correct 132 ms 271012 KB Output is correct
40 Correct 134 ms 271144 KB Output is correct
41 Correct 133 ms 271160 KB Output is correct
42 Correct 135 ms 271184 KB Output is correct
43 Correct 139 ms 271092 KB Output is correct
44 Correct 135 ms 271080 KB Output is correct
45 Correct 152 ms 271184 KB Output is correct
46 Correct 131 ms 271184 KB Output is correct
47 Correct 140 ms 271292 KB Output is correct
48 Correct 135 ms 270996 KB Output is correct
49 Correct 130 ms 271184 KB Output is correct
50 Correct 148 ms 271228 KB Output is correct
51 Correct 134 ms 271188 KB Output is correct
52 Correct 149 ms 271124 KB Output is correct
53 Correct 151 ms 271008 KB Output is correct
54 Correct 156 ms 271528 KB Output is correct
55 Correct 156 ms 271508 KB Output is correct
56 Correct 173 ms 275704 KB Output is correct
57 Correct 172 ms 275392 KB Output is correct
58 Correct 168 ms 275388 KB Output is correct
59 Correct 173 ms 275540 KB Output is correct
60 Correct 167 ms 275284 KB Output is correct
61 Correct 165 ms 275288 KB Output is correct
62 Correct 172 ms 275252 KB Output is correct
63 Correct 163 ms 275328 KB Output is correct
64 Correct 170 ms 275348 KB Output is correct
65 Correct 169 ms 275280 KB Output is correct
66 Correct 166 ms 275240 KB Output is correct
67 Correct 165 ms 275288 KB Output is correct
68 Correct 179 ms 275284 KB Output is correct
69 Correct 135 ms 271188 KB Output is correct
70 Correct 143 ms 271068 KB Output is correct
71 Correct 164 ms 275208 KB Output is correct
72 Correct 165 ms 275288 KB Output is correct
73 Correct 167 ms 275276 KB Output is correct
74 Correct 130 ms 271120 KB Output is correct
75 Correct 137 ms 271008 KB Output is correct
76 Correct 129 ms 271188 KB Output is correct
77 Correct 146 ms 271092 KB Output is correct
78 Correct 198 ms 273956 KB Output is correct
79 Correct 166 ms 273592 KB Output is correct
80 Correct 195 ms 273492 KB Output is correct
81 Correct 161 ms 275352 KB Output is correct
82 Correct 189 ms 273488 KB Output is correct
83 Correct 182 ms 273476 KB Output is correct
84 Correct 129 ms 271188 KB Output is correct
85 Correct 132 ms 271188 KB Output is correct
86 Correct 130 ms 271184 KB Output is correct
87 Correct 133 ms 271324 KB Output is correct
88 Correct 130 ms 271184 KB Output is correct
89 Correct 132 ms 271184 KB Output is correct
90 Correct 132 ms 271184 KB Output is correct
91 Correct 133 ms 271140 KB Output is correct
92 Correct 153 ms 271048 KB Output is correct
93 Correct 133 ms 271188 KB Output is correct
94 Correct 137 ms 271132 KB Output is correct
95 Correct 135 ms 271056 KB Output is correct
96 Correct 131 ms 271096 KB Output is correct
97 Correct 143 ms 271148 KB Output is correct
98 Correct 152 ms 271444 KB Output is correct
99 Correct 139 ms 271192 KB Output is correct
100 Correct 133 ms 271184 KB Output is correct
101 Correct 141 ms 271460 KB Output is correct
102 Correct 137 ms 271444 KB Output is correct
103 Correct 198 ms 273596 KB Output is correct
104 Correct 202 ms 273748 KB Output is correct
105 Correct 191 ms 273680 KB Output is correct
106 Correct 186 ms 273596 KB Output is correct
107 Correct 170 ms 273804 KB Output is correct
108 Correct 169 ms 273696 KB Output is correct
109 Correct 165 ms 275288 KB Output is correct
110 Correct 169 ms 275284 KB Output is correct
111 Correct 194 ms 273872 KB Output is correct
112 Correct 201 ms 273744 KB Output is correct
113 Correct 172 ms 273492 KB Output is correct
114 Correct 192 ms 273888 KB Output is correct
115 Correct 194 ms 273492 KB Output is correct