oj.uz

답안 #146673

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
146673 2019-08-25T06:57:44 Z abacaba Arranging Shoes (IOI19_shoes) C++14
100 / 100
 748 ms 148840 KB 
#include <cstdio>
#include <cassert>
#include <stdio.h>
#include <iostream>
#include <algorithm>
#include <math.h>
#include <vector>
#include <stack>
#include <map>
using namespace std;

const int N = 2e5 + 15;
int n, a[N], t[N];
map <int, stack <int> > ord;

inline void inc(int i, int val) {
	for(; i <= n; i = (i | (i + 1)))
		t[i] += val;
}

inline int get(int i) {
	int res = 0;
	for(; i >= 1; i = (i & (i + 1)) - 1)
		res += t[i];
	return res;
}

inline int get(int l, int r) {
	return get(r) - get(l - 1);
}

long long count_swaps(vector<int> s) {
	n = s.size();
	long long ans = 0;
	for(int i = 0; i < n; ++i)
		a[i + 1] = s[i];
	for(int i = n; i; --i)
		ord[a[i]].push(i);
	for(int i = 1; i < n; ++i) {
		if(ord[a[i]].empty() || ord[a[i]].top() != i)
			continue;
		ord[a[i]].pop();
		int j = ord[-a[i]].top();
		ord[-a[i]].pop();
		if(a[i] < 0)
			ans += j - i - 1 - get(i, j);
		else
			ans += j - i - get(i, j);
		inc(j, 1);
	}
	return ans;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 404 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 3 ms 376 KB Output is correct
13 Correct 2 ms 360 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 3 ms 376 KB Output is correct
20 Correct 6 ms 860 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 42 ms 5396 KB Output is correct
23 Correct 36 ms 5396 KB Output is correct
24 Correct 42 ms 5396 KB Output is correct
25 Correct 35 ms 4936 KB Output is correct
26 Correct 42 ms 5392 KB Output is correct
27 Correct 35 ms 5140 KB Output is correct
28 Correct 36 ms 5064 KB Output is correct
29 Correct 36 ms 5096 KB Output is correct
30 Correct 36 ms 5064 KB Output is correct
31 Correct 42 ms 5396 KB Output is correct
32 Correct 36 ms 5164 KB Output is correct
33 Correct 34 ms 4928 KB Output is correct
34 Correct 36 ms 5064 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 37 ms 5064 KB Output is correct
38 Correct 37 ms 5064 KB Output is correct
39 Correct 37 ms 5056 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 3 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 687 ms 148472 KB Output is correct
6 Correct 220 ms 17016 KB Output is correct
7 Correct 691 ms 148344 KB Output is correct
8 Correct 46 ms 5240 KB Output is correct
9 Correct 691 ms 148384 KB Output is correct
10 Correct 545 ms 76464 KB Output is correct

Subtask #5
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 404 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 3 ms 632 KB Output is correct
41 Correct 5 ms 1784 KB Output is correct
42 Correct 5 ms 1784 KB Output is correct
43 Correct 5 ms 1656 KB Output is correct
44 Correct 5 ms 1528 KB Output is correct
45 Correct 4 ms 1272 KB Output is correct
46 Correct 4 ms 1144 KB Output is correct
47 Correct 4 ms 1016 KB Output is correct
48 Correct 3 ms 760 KB Output is correct
49 Correct 3 ms 632 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 5 ms 1784 KB Output is correct

Subtask #6
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 3 ms 376 KB Output is correct
10 Correct 2 ms 404 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 364 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 3 ms 376 KB Output is correct
30 Correct 2 ms 256 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 2 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 256 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 2 ms 376 KB Output is correct
43 Correct 2 ms 376 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 256 KB Output is correct
46 Correct 3 ms 376 KB Output is correct
47 Correct 2 ms 360 KB Output is correct
48 Correct 2 ms 376 KB Output is correct
49 Correct 2 ms 256 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 6 ms 860 KB Output is correct
55 Correct 6 ms 764 KB Output is correct
56 Correct 42 ms 5396 KB Output is correct
57 Correct 36 ms 5396 KB Output is correct
58 Correct 42 ms 5396 KB Output is correct
59 Correct 35 ms 4936 KB Output is correct
60 Correct 42 ms 5392 KB Output is correct
61 Correct 35 ms 5140 KB Output is correct
62 Correct 36 ms 5064 KB Output is correct
63 Correct 36 ms 5096 KB Output is correct
64 Correct 36 ms 5064 KB Output is correct
65 Correct 42 ms 5396 KB Output is correct
66 Correct 36 ms 5164 KB Output is correct
67 Correct 34 ms 4928 KB Output is correct
68 Correct 36 ms 5064 KB Output is correct
69 Correct 2 ms 376 KB Output is correct
70 Correct 2 ms 256 KB Output is correct
71 Correct 37 ms 5064 KB Output is correct
72 Correct 37 ms 5064 KB Output is correct
73 Correct 37 ms 5056 KB Output is correct
74 Correct 2 ms 256 KB Output is correct
75 Correct 2 ms 256 KB Output is correct
76 Correct 3 ms 256 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 687 ms 148472 KB Output is correct
79 Correct 220 ms 17016 KB Output is correct
80 Correct 691 ms 148344 KB Output is correct
81 Correct 46 ms 5240 KB Output is correct
82 Correct 691 ms 148384 KB Output is correct
83 Correct 545 ms 76464 KB Output is correct
84 Correct 2 ms 376 KB Output is correct
85 Correct 2 ms 376 KB Output is correct
86 Correct 2 ms 504 KB Output is correct
87 Correct 3 ms 632 KB Output is correct
88 Correct 5 ms 1784 KB Output is correct
89 Correct 5 ms 1784 KB Output is correct
90 Correct 5 ms 1656 KB Output is correct
91 Correct 5 ms 1528 KB Output is correct
92 Correct 4 ms 1272 KB Output is correct
93 Correct 4 ms 1144 KB Output is correct
94 Correct 4 ms 1016 KB Output is correct
95 Correct 3 ms 760 KB Output is correct
96 Correct 3 ms 632 KB Output is correct
97 Correct 3 ms 376 KB Output is correct
98 Correct 2 ms 376 KB Output is correct
99 Correct 5 ms 1784 KB Output is correct
100 Correct 5 ms 1784 KB Output is correct
101 Correct 47 ms 13688 KB Output is correct
102 Correct 22 ms 3576 KB Output is correct
103 Correct 748 ms 148840 KB Output is correct
104 Correct 654 ms 148748 KB Output is correct
105 Correct 592 ms 86496 KB Output is correct
106 Correct 730 ms 148412 KB Output is correct
107 Correct 262 ms 20944 KB Output is correct
108 Correct 419 ms 36736 KB Output is correct
109 Correct 40 ms 5240 KB Output is correct
110 Correct 36 ms 5192 KB Output is correct
111 Correct 675 ms 132472 KB Output is correct
112 Correct 702 ms 116788 KB Output is correct
113 Correct 263 ms 22132 KB Output is correct
114 Correct 728 ms 148460 KB Output is correct
115 Correct 691 ms 148620 KB Output is correct