oj.uz

Submission #954626

# Submission time Handle Problem Language Result Execution time Memory
954626 2024-03-28T09:02:12 Z waldi Arranging Shoes (IOI19_shoes) C++17
100 / 100
 285 ms 42492 KB 
#include "shoes.h"
#include <bits/stdc++.h>
#define FOR(i,p,k) for(int i=(p);i<=(k);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) (int((x).size()))
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;

struct przedzialowiec{
	int N;
	vector<int> t;
	przedzialowiec(int n){
		for(N = 1; N < n;) N <<= 1;
		t.resize(N<<1, 0);
	}
	void dodaj(int poz, int wart){
		for(poz += N; poz; poz >>= 1) t[poz] += wart;
	}
	int suma(int p, int k){
		int ret = 0;
		for(p+=N, k+=N+1; p<k; p>>=1, k>>=1){
			if(p&1) ret += t[p++];
			if(k&1) ret += t[--k];
		}
		return ret;
	}
};

ll count_swaps(vector<int> wej){
	int n = ssize(wej)>>1;
	
	unordered_map<int, set<int>> mapa;
	REP(i, 2*n) mapa[wej[i]].emplace(i);
	
	ll wyn = 0ll;
	set<int> istnieje;
	przedzialowiec prz(n<<1);
	REP(i, n<<1) prz.dodaj(i, 1), istnieje.emplace(i);
	while(ssize(istnieje)){
		int t = *istnieje.begin();
		int wart = wej[t];
		int poz = *mapa[-wart].begin();
		
		wyn += prz.suma(0, poz-1);
		if(wart < 0) --wyn;
		
		prz.dodaj(t, -1);
		prz.dodaj(poz, -1);
		
		mapa[wart].erase(t);
		mapa[-wart].erase(poz);
		
		istnieje.erase(t);
		istnieje.erase(poz);
	}
	return wyn;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

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

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 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 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 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 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 444 KB Output is correct
19 Correct 1 ms 600 KB Output is correct
20 Correct 10 ms 2644 KB Output is correct
21 Correct 10 ms 2648 KB Output is correct
22 Correct 125 ms 23904 KB Output is correct
23 Correct 119 ms 23892 KB Output is correct
24 Correct 116 ms 24108 KB Output is correct
25 Correct 135 ms 23904 KB Output is correct
26 Correct 116 ms 23856 KB Output is correct
27 Correct 121 ms 23784 KB Output is correct
28 Correct 126 ms 23960 KB Output is correct
29 Correct 132 ms 24216 KB Output is correct
30 Correct 126 ms 24096 KB Output is correct
31 Correct 134 ms 23964 KB Output is correct
32 Correct 124 ms 24036 KB Output is correct
33 Correct 129 ms 23868 KB Output is correct
34 Correct 126 ms 23888 KB Output is correct
35 Correct 0 ms 364 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 142 ms 23876 KB Output is correct
38 Correct 128 ms 24284 KB Output is correct
39 Correct 128 ms 23888 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 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 196 ms 42484 KB Output is correct
6 Correct 152 ms 25596 KB Output is correct
7 Correct 215 ms 42392 KB Output is correct
8 Correct 121 ms 23980 KB Output is correct
9 Correct 186 ms 42364 KB Output is correct
10 Correct 158 ms 33224 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 432 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 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 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 432 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 1 ms 348 KB Output is correct
41 Correct 1 ms 604 KB Output is correct
42 Correct 2 ms 696 KB Output is correct
43 Correct 1 ms 604 KB Output is correct
44 Correct 1 ms 704 KB Output is correct
45 Correct 2 ms 604 KB Output is correct
46 Correct 1 ms 600 KB Output is correct
47 Correct 1 ms 604 KB Output is correct
48 Correct 2 ms 604 KB Output is correct
49 Correct 2 ms 604 KB Output is correct
50 Correct 1 ms 440 KB Output is correct
51 Correct 1 ms 604 KB Output is correct
52 Correct 1 ms 696 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 600 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 432 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 600 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 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 1 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 348 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 1 ms 348 KB Output is correct
45 Correct 0 ms 348 KB Output is correct
46 Correct 1 ms 344 KB Output is correct
47 Correct 1 ms 348 KB Output is correct
48 Correct 0 ms 348 KB Output is correct
49 Correct 0 ms 348 KB Output is correct
50 Correct 0 ms 348 KB Output is correct
51 Correct 1 ms 348 KB Output is correct
52 Correct 1 ms 444 KB Output is correct
53 Correct 1 ms 600 KB Output is correct
54 Correct 10 ms 2644 KB Output is correct
55 Correct 10 ms 2648 KB Output is correct
56 Correct 125 ms 23904 KB Output is correct
57 Correct 119 ms 23892 KB Output is correct
58 Correct 116 ms 24108 KB Output is correct
59 Correct 135 ms 23904 KB Output is correct
60 Correct 116 ms 23856 KB Output is correct
61 Correct 121 ms 23784 KB Output is correct
62 Correct 126 ms 23960 KB Output is correct
63 Correct 132 ms 24216 KB Output is correct
64 Correct 126 ms 24096 KB Output is correct
65 Correct 134 ms 23964 KB Output is correct
66 Correct 124 ms 24036 KB Output is correct
67 Correct 129 ms 23868 KB Output is correct
68 Correct 126 ms 23888 KB Output is correct
69 Correct 0 ms 364 KB Output is correct
70 Correct 0 ms 348 KB Output is correct
71 Correct 142 ms 23876 KB Output is correct
72 Correct 128 ms 24284 KB Output is correct
73 Correct 128 ms 23888 KB Output is correct
74 Correct 0 ms 348 KB Output is correct
75 Correct 1 ms 348 KB Output is correct
76 Correct 0 ms 348 KB Output is correct
77 Correct 1 ms 348 KB Output is correct
78 Correct 196 ms 42484 KB Output is correct
79 Correct 152 ms 25596 KB Output is correct
80 Correct 215 ms 42392 KB Output is correct
81 Correct 121 ms 23980 KB Output is correct
82 Correct 186 ms 42364 KB Output is correct
83 Correct 158 ms 33224 KB Output is correct
84 Correct 0 ms 348 KB Output is correct
85 Correct 0 ms 432 KB Output is correct
86 Correct 0 ms 348 KB Output is correct
87 Correct 1 ms 348 KB Output is correct
88 Correct 1 ms 604 KB Output is correct
89 Correct 2 ms 696 KB Output is correct
90 Correct 1 ms 604 KB Output is correct
91 Correct 1 ms 704 KB Output is correct
92 Correct 2 ms 604 KB Output is correct
93 Correct 1 ms 600 KB Output is correct
94 Correct 1 ms 604 KB Output is correct
95 Correct 2 ms 604 KB Output is correct
96 Correct 2 ms 604 KB Output is correct
97 Correct 1 ms 440 KB Output is correct
98 Correct 1 ms 604 KB Output is correct
99 Correct 1 ms 696 KB Output is correct
100 Correct 1 ms 604 KB Output is correct
101 Correct 12 ms 4188 KB Output is correct
102 Correct 13 ms 3180 KB Output is correct
103 Correct 285 ms 42436 KB Output is correct
104 Correct 202 ms 42492 KB Output is correct
105 Correct 198 ms 34500 KB Output is correct
106 Correct 201 ms 42360 KB Output is correct
107 Correct 142 ms 26120 KB Output is correct
108 Correct 141 ms 28228 KB Output is correct
109 Correct 120 ms 23940 KB Output is correct
110 Correct 126 ms 23888 KB Output is correct
111 Correct 184 ms 40644 KB Output is correct
112 Correct 222 ms 37620 KB Output is correct
113 Correct 178 ms 26204 KB Output is correct
114 Correct 203 ms 42364 KB Output is correct
115 Correct 185 ms 42488 KB Output is correct