oj.uz

답안 #157554

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
157554 2019-10-12T11:16:33 Z ioane Arranging Shoes (IOI19_shoes) C++17
100 / 100
 399 ms 26808 KB 
#include "shoes.h"
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define LL long long
#define PB push_back

using namespace __gnu_pbds;
using namespace std;  

long long count_swaps(std::vector<int> s) {
	LL n = s.size()/2;
	ordered_set ss;
	vector < LL > v[n*2+1];
	LL a[n*2+1], fix[n*2+1];
	LL ans = 0;
	for ( LL i = 0; i < 2*n; ++i ){
		if ( s[i] < 0 ){
			s[i] = n - s[i];
		}
		ss.insert(i);
		v[s[i]].PB(i);
		a[i+1]=0;
		fix[i] = 0;
	}/**/
	for ( LL i = 0; i < 2*n; ++i ){
		if ( fix[i] ) continue;
		ss.erase(i);
		LL k = s[i];
		a[k]++;
		if ( k > n ) k -= n;
		else k += n;
		//cout << i << " " << k << " " << a[k] << endl;
		//while ( v[k][a[k]] <= i ) a[k]++;
		LL t = v[k][a[k]];
		a[k]++;
		ans += ss.order_of_key(t);
		if ( k > n ) ans++;
		fix[t] = 1;
		ss.erase(t);
	}/**/

	return ans;
}

/*/
int main() {
	int n;
	assert(1 == scanf("%d", &n));
	vector<int> S(2 * n);
	for (int i = 0; i < 2 * n; i++)
	assert(1 == scanf("%d", &S[i]));
	fclose(stdin);
	
	long long result = count_swaps(S);
	
	printf("%lld\n", result);
	fclose(stdout);
	return 0;
}
/**/

Compilation message

shoes.cpp:62:1: warning: "/*" within comment [-Wcomment]
 /**/

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 428 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 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
18 Correct 2 ms 376 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 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 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 356 KB Output is correct
33 Correct 2 ms 256 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 256 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 376 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 252 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 256 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 376 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 3 ms 504 KB Output is correct
20 Correct 15 ms 2468 KB Output is correct
21 Correct 15 ms 2424 KB Output is correct
22 Correct 259 ms 22108 KB Output is correct
23 Correct 233 ms 21984 KB Output is correct
24 Correct 230 ms 22112 KB Output is correct
25 Correct 207 ms 21836 KB Output is correct
26 Correct 201 ms 21984 KB Output is correct
27 Correct 222 ms 21724 KB Output is correct
28 Correct 207 ms 21868 KB Output is correct
29 Correct 210 ms 22132 KB Output is correct
30 Correct 210 ms 21988 KB Output is correct
31 Correct 201 ms 22000 KB Output is correct
32 Correct 209 ms 22000 KB Output is correct
33 Correct 205 ms 21844 KB Output is correct
34 Correct 206 ms 21940 KB Output is correct
35 Correct 3 ms 256 KB Output is correct
36 Correct 2 ms 256 KB Output is correct
37 Correct 209 ms 22008 KB Output is correct
38 Correct 205 ms 21996 KB Output is correct
39 Correct 220 ms 21868 KB Output is correct

Subtask #4
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 504 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 313 ms 26788 KB Output is correct
6 Correct 185 ms 22868 KB Output is correct
7 Correct 340 ms 26612 KB Output is correct
8 Correct 197 ms 21996 KB Output is correct
9 Correct 313 ms 26616 KB Output is correct
10 Correct 220 ms 24020 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 428 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 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
18 Correct 2 ms 376 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 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 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 356 KB Output is correct
33 Correct 2 ms 256 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 256 KB Output is correct
37 Correct 2 ms 256 KB Output is correct
38 Correct 2 ms 396 KB Output is correct
39 Correct 2 ms 376 KB Output is correct
40 Correct 2 ms 376 KB Output is correct
41 Correct 3 ms 604 KB Output is correct
42 Correct 3 ms 504 KB Output is correct
43 Correct 3 ms 504 KB Output is correct
44 Correct 3 ms 504 KB Output is correct
45 Correct 3 ms 504 KB Output is correct
46 Correct 3 ms 504 KB Output is correct
47 Correct 3 ms 504 KB Output is correct
48 Correct 3 ms 504 KB Output is correct
49 Correct 4 ms 504 KB Output is correct
50 Correct 3 ms 504 KB Output is correct
51 Correct 3 ms 632 KB Output is correct
52 Correct 3 ms 504 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 428 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 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
18 Correct 2 ms 376 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 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 380 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 256 KB Output is correct
29 Correct 2 ms 256 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 356 KB Output is correct
33 Correct 2 ms 256 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 256 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 376 KB Output is correct
41 Correct 2 ms 256 KB Output is correct
42 Correct 2 ms 256 KB Output is correct
43 Correct 2 ms 256 KB Output is correct
44 Correct 2 ms 376 KB Output is correct
45 Correct 2 ms 252 KB Output is correct
46 Correct 2 ms 256 KB Output is correct
47 Correct 2 ms 376 KB Output is correct
48 Correct 2 ms 256 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 2 ms 376 KB Output is correct
51 Correct 2 ms 376 KB Output is correct
52 Correct 3 ms 504 KB Output is correct
53 Correct 3 ms 504 KB Output is correct
54 Correct 15 ms 2468 KB Output is correct
55 Correct 15 ms 2424 KB Output is correct
56 Correct 259 ms 22108 KB Output is correct
57 Correct 233 ms 21984 KB Output is correct
58 Correct 230 ms 22112 KB Output is correct
59 Correct 207 ms 21836 KB Output is correct
60 Correct 201 ms 21984 KB Output is correct
61 Correct 222 ms 21724 KB Output is correct
62 Correct 207 ms 21868 KB Output is correct
63 Correct 210 ms 22132 KB Output is correct
64 Correct 210 ms 21988 KB Output is correct
65 Correct 201 ms 22000 KB Output is correct
66 Correct 209 ms 22000 KB Output is correct
67 Correct 205 ms 21844 KB Output is correct
68 Correct 206 ms 21940 KB Output is correct
69 Correct 3 ms 256 KB Output is correct
70 Correct 2 ms 256 KB Output is correct
71 Correct 209 ms 22008 KB Output is correct
72 Correct 205 ms 21996 KB Output is correct
73 Correct 220 ms 21868 KB Output is correct
74 Correct 2 ms 504 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 2 ms 376 KB Output is correct
78 Correct 313 ms 26788 KB Output is correct
79 Correct 185 ms 22868 KB Output is correct
80 Correct 340 ms 26612 KB Output is correct
81 Correct 197 ms 21996 KB Output is correct
82 Correct 313 ms 26616 KB Output is correct
83 Correct 220 ms 24020 KB Output is correct
84 Correct 2 ms 256 KB Output is correct
85 Correct 2 ms 396 KB Output is correct
86 Correct 2 ms 376 KB Output is correct
87 Correct 2 ms 376 KB Output is correct
88 Correct 3 ms 604 KB Output is correct
89 Correct 3 ms 504 KB Output is correct
90 Correct 3 ms 504 KB Output is correct
91 Correct 3 ms 504 KB Output is correct
92 Correct 3 ms 504 KB Output is correct
93 Correct 3 ms 504 KB Output is correct
94 Correct 3 ms 504 KB Output is correct
95 Correct 3 ms 504 KB Output is correct
96 Correct 4 ms 504 KB Output is correct
97 Correct 3 ms 504 KB Output is correct
98 Correct 3 ms 632 KB Output is correct
99 Correct 3 ms 504 KB Output is correct
100 Correct 4 ms 760 KB Output is correct
101 Correct 20 ms 2808 KB Output is correct
102 Correct 19 ms 2552 KB Output is correct
103 Correct 399 ms 26704 KB Output is correct
104 Correct 307 ms 26808 KB Output is correct
105 Correct 253 ms 24156 KB Output is correct
106 Correct 331 ms 26744 KB Output is correct
107 Correct 203 ms 23032 KB Output is correct
108 Correct 196 ms 23416 KB Output is correct
109 Correct 195 ms 21984 KB Output is correct
110 Correct 212 ms 22040 KB Output is correct
111 Correct 224 ms 26004 KB Output is correct
112 Correct 352 ms 25336 KB Output is correct
113 Correct 235 ms 23124 KB Output is correct
114 Correct 303 ms 26616 KB Output is correct
115 Correct 325 ms 26744 KB Output is correct