oj.uz

Submission #888127

# Submission time Handle Problem Language Result Execution time Memory
888127 2023-12-16T06:40:37 Z oblantis Arranging Shoes (IOI19_shoes) C++17
100 / 100
 295 ms 277328 KB 
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp> 
#include "shoes.h"
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<double, int> pdi;
typedef tree< int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int inf = 1e9 + 10000;
const int mod = 1e9+7;
const int maxn = 5e5 + 12;

long long count_swaps(vector<int> a) {
	int n = a.size();
	ll ans = 0;
	vector<bool> was(n, 0);
	queue<int> l[n + 1], r[n + 1];
	ordered_set s;
	for(int i = 0; i < n; i++) {
		if(a[i] < 0)l[-a[i]].push(i);
		else r[a[i]].push(i);
	}
	for(int i = 0; i < n; i++){
	    if(was[i]) {
	        s.erase(s.begin());
	        continue;
	    }
	    int j;
	    if(a[i] < 0) {
	         j = r[-a[i]].front();
            ans += j - i - 1 - s.order_of_key(j);
	        s.insert(j);
	        was[j] = 1;
	        r[-a[i]].pop();
	        l[-a[i]].pop();
	    }
	    else {
	         j = l[a[i]].front();
	        ans += j - i - s.order_of_key(j);
	        was[j] = 1;
	        s.insert(j);
	        r[a[i]].pop();
	        l[a[i]].pop();
	    }
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 432 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 436 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 500 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 432 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 0 ms 604 KB Output is correct
17 Correct 1 ms 1116 KB Output is correct
18 Correct 2 ms 2908 KB Output is correct
19 Correct 2 ms 3000 KB Output is correct
20 Correct 19 ms 27484 KB Output is correct
21 Correct 18 ms 27484 KB Output is correct
22 Correct 216 ms 272464 KB Output is correct
23 Correct 202 ms 273392 KB Output is correct
24 Correct 206 ms 273384 KB Output is correct
25 Correct 234 ms 277076 KB Output is correct
26 Correct 217 ms 273332 KB Output is correct
27 Correct 200 ms 272976 KB Output is correct
28 Correct 235 ms 277328 KB Output is correct
29 Correct 229 ms 277076 KB Output is correct
30 Correct 234 ms 277316 KB Output is correct
31 Correct 209 ms 273208 KB Output is correct
32 Correct 228 ms 277240 KB Output is correct
33 Correct 236 ms 277148 KB Output is correct
34 Correct 231 ms 277080 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 232 ms 277048 KB Output is correct
38 Correct 229 ms 277076 KB Output is correct
39 Correct 232 ms 277100 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 600 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 286 ms 277128 KB Output is correct
6 Correct 271 ms 277220 KB Output is correct
7 Correct 287 ms 277232 KB Output is correct
8 Correct 231 ms 277072 KB Output is correct
9 Correct 295 ms 277056 KB Output is correct
10 Correct 286 ms 277076 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 436 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 500 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 1 ms 344 KB Output is correct
38 Correct 1 ms 348 KB Output is correct
39 Correct 1 ms 600 KB Output is correct
40 Correct 1 ms 1204 KB Output is correct
41 Correct 2 ms 3160 KB Output is correct
42 Correct 2 ms 2904 KB Output is correct
43 Correct 2 ms 2904 KB Output is correct
44 Correct 3 ms 3160 KB Output is correct
45 Correct 2 ms 2908 KB Output is correct
46 Correct 2 ms 2908 KB Output is correct
47 Correct 2 ms 3000 KB Output is correct
48 Correct 2 ms 3160 KB Output is correct
49 Correct 2 ms 2908 KB Output is correct
50 Correct 2 ms 3160 KB Output is correct
51 Correct 2 ms 3164 KB Output is correct
52 Correct 2 ms 3164 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 432 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 436 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 500 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 344 KB Output is correct
21 Correct 0 ms 344 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 600 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 344 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 344 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 432 KB Output is correct
40 Correct 0 ms 344 KB Output is correct
41 Correct 1 ms 344 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct
44 Correct 0 ms 348 KB Output is correct
45 Correct 1 ms 600 KB Output is correct
46 Correct 0 ms 348 KB Output is correct
47 Correct 0 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 1 ms 348 KB Output is correct
50 Correct 0 ms 604 KB Output is correct
51 Correct 1 ms 1116 KB Output is correct
52 Correct 2 ms 2908 KB Output is correct
53 Correct 2 ms 3000 KB Output is correct
54 Correct 19 ms 27484 KB Output is correct
55 Correct 18 ms 27484 KB Output is correct
56 Correct 216 ms 272464 KB Output is correct
57 Correct 202 ms 273392 KB Output is correct
58 Correct 206 ms 273384 KB Output is correct
59 Correct 234 ms 277076 KB Output is correct
60 Correct 217 ms 273332 KB Output is correct
61 Correct 200 ms 272976 KB Output is correct
62 Correct 235 ms 277328 KB Output is correct
63 Correct 229 ms 277076 KB Output is correct
64 Correct 234 ms 277316 KB Output is correct
65 Correct 209 ms 273208 KB Output is correct
66 Correct 228 ms 277240 KB Output is correct
67 Correct 236 ms 277148 KB Output is correct
68 Correct 231 ms 277080 KB Output is correct
69 Correct 0 ms 348 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 232 ms 277048 KB Output is correct
72 Correct 229 ms 277076 KB Output is correct
73 Correct 232 ms 277100 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 0 ms 348 KB Output is correct
76 Correct 0 ms 600 KB Output is correct
77 Correct 0 ms 344 KB Output is correct
78 Correct 286 ms 277128 KB Output is correct
79 Correct 271 ms 277220 KB Output is correct
80 Correct 287 ms 277232 KB Output is correct
81 Correct 231 ms 277072 KB Output is correct
82 Correct 295 ms 277056 KB Output is correct
83 Correct 286 ms 277076 KB Output is correct
84 Correct 1 ms 344 KB Output is correct
85 Correct 1 ms 348 KB Output is correct
86 Correct 1 ms 600 KB Output is correct
87 Correct 1 ms 1204 KB Output is correct
88 Correct 2 ms 3160 KB Output is correct
89 Correct 2 ms 2904 KB Output is correct
90 Correct 2 ms 2904 KB Output is correct
91 Correct 3 ms 3160 KB Output is correct
92 Correct 2 ms 2908 KB Output is correct
93 Correct 2 ms 2908 KB Output is correct
94 Correct 2 ms 3000 KB Output is correct
95 Correct 2 ms 3160 KB Output is correct
96 Correct 2 ms 2908 KB Output is correct
97 Correct 2 ms 3160 KB Output is correct
98 Correct 2 ms 3164 KB Output is correct
99 Correct 2 ms 3164 KB Output is correct
100 Correct 2 ms 3160 KB Output is correct
101 Correct 22 ms 27912 KB Output is correct
102 Correct 23 ms 27732 KB Output is correct
103 Correct 294 ms 274852 KB Output is correct
104 Correct 242 ms 272436 KB Output is correct
105 Correct 258 ms 272720 KB Output is correct
106 Correct 286 ms 277016 KB Output is correct
107 Correct 229 ms 272464 KB Output is correct
108 Correct 216 ms 272532 KB Output is correct
109 Correct 235 ms 277072 KB Output is correct
110 Correct 236 ms 277072 KB Output is correct
111 Correct 286 ms 277152 KB Output is correct
112 Correct 285 ms 276200 KB Output is correct
113 Correct 266 ms 277016 KB Output is correct
114 Correct 278 ms 277260 KB Output is correct
115 Correct 278 ms 277328 KB Output is correct