oj.uz

Submission #153500

# Submission time Handle Problem Language Result Execution time Memory
153500 2019-09-14T11:19:52 Z myungwoo Arranging Shoes (IOI19_shoes) C++14
100 / 100
 451 ms 275096 KB 
#include <bits/stdc++.h>
#include "shoes.h"
using namespace std;

#define MAXN 200005
typedef long long lld;

int N;
int A[MAXN], bit[MAXN];
bool vis[MAXN];
stack <int> L[MAXN], R[MAXN], order;

void add(int n){
	vis[n] = 1;
	for (;n<=N;n+=n&-n) bit[n]++;
}
int get(int n)
{
	int ret = 0;
	for (;n;n^=n&-n) ret += bit[n];
	return ret;
}

int move(int a, int b)
{
	// a -> b
	add(a);
	return b-(a-get(a-1));
}

lld count_swaps(vector<int> arr)
{
	N = arr.size();
	for (int i=1;i<=N;i++) A[i] = arr[i-1], bit[i] = 0;
	for (int i=1;i<=N;i++){
		if (A[i] < 0) L[-A[i]].push(i);
		if (A[i] > 0) R[A[i]].push(i);
	}
	lld total = 0;
	int pos = N;
	for (int i=N;i;i--){
		while (vis[i]) i--;
		if (!i) break;
		int t = abs(A[i]);
		total += move(R[t].top(), pos);
		total += move(L[t].top(), pos-1);
		R[t].pop(); L[t].pop();
		pos -= 2;
	}
	return total;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 332 ms 269560 KB Output is correct
2 Correct 269 ms 269560 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 332 ms 269560 KB Output is correct
2 Correct 269 ms 269560 KB Output is correct
3 Correct 270 ms 269728 KB Output is correct
4 Correct 268 ms 269560 KB Output is correct
5 Correct 271 ms 269660 KB Output is correct
6 Correct 271 ms 269620 KB Output is correct
7 Correct 303 ms 269652 KB Output is correct
8 Correct 304 ms 269756 KB Output is correct
9 Correct 327 ms 269560 KB Output is correct
10 Correct 314 ms 269688 KB Output is correct
11 Correct 326 ms 269560 KB Output is correct
12 Correct 281 ms 269560 KB Output is correct
13 Correct 332 ms 269688 KB Output is correct
14 Correct 282 ms 269608 KB Output is correct
15 Correct 269 ms 269604 KB Output is correct
16 Correct 275 ms 269780 KB Output is correct
17 Correct 273 ms 269560 KB Output is correct
18 Correct 277 ms 269648 KB Output is correct
19 Correct 293 ms 269628 KB Output is correct
20 Correct 271 ms 269560 KB Output is correct
21 Correct 290 ms 269564 KB Output is correct
22 Correct 278 ms 269628 KB Output is correct
23 Correct 275 ms 269636 KB Output is correct
24 Correct 317 ms 269636 KB Output is correct
25 Correct 346 ms 269688 KB Output is correct
26 Correct 272 ms 269560 KB Output is correct
27 Correct 274 ms 269700 KB Output is correct
28 Correct 273 ms 269560 KB Output is correct
29 Correct 272 ms 269528 KB Output is correct
30 Correct 275 ms 269744 KB Output is correct
31 Correct 270 ms 269580 KB Output is correct
32 Correct 273 ms 269620 KB Output is correct
33 Correct 274 ms 269560 KB Output is correct
34 Correct 307 ms 269688 KB Output is correct
35 Correct 281 ms 269612 KB Output is correct
36 Correct 274 ms 269560 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 332 ms 269560 KB Output is correct
2 Correct 269 ms 269560 KB Output is correct
3 Correct 284 ms 269540 KB Output is correct
4 Correct 271 ms 269692 KB Output is correct
5 Correct 268 ms 269560 KB Output is correct
6 Correct 271 ms 269632 KB Output is correct
7 Correct 269 ms 269560 KB Output is correct
8 Correct 270 ms 269560 KB Output is correct
9 Correct 271 ms 269732 KB Output is correct
10 Correct 272 ms 269688 KB Output is correct
11 Correct 273 ms 269560 KB Output is correct
12 Correct 276 ms 269680 KB Output is correct
13 Correct 272 ms 269640 KB Output is correct
14 Correct 271 ms 269576 KB Output is correct
15 Correct 306 ms 269688 KB Output is correct
16 Correct 271 ms 269688 KB Output is correct
17 Correct 341 ms 269740 KB Output is correct
18 Correct 298 ms 269560 KB Output is correct
19 Correct 306 ms 269816 KB Output is correct
20 Correct 330 ms 270172 KB Output is correct
21 Correct 305 ms 270200 KB Output is correct
22 Correct 339 ms 274916 KB Output is correct
23 Correct 334 ms 274848 KB Output is correct
24 Correct 348 ms 274844 KB Output is correct
25 Correct 335 ms 274748 KB Output is correct
26 Correct 332 ms 274840 KB Output is correct
27 Correct 343 ms 274856 KB Output is correct
28 Correct 335 ms 274988 KB Output is correct
29 Correct 340 ms 275012 KB Output is correct
30 Correct 331 ms 275096 KB Output is correct
31 Correct 334 ms 274860 KB Output is correct
32 Correct 337 ms 274980 KB Output is correct
33 Correct 336 ms 274756 KB Output is correct
34 Correct 353 ms 275044 KB Output is correct
35 Correct 290 ms 269664 KB Output is correct
36 Correct 302 ms 269608 KB Output is correct
37 Correct 335 ms 275028 KB Output is correct
38 Correct 335 ms 274936 KB Output is correct
39 Correct 334 ms 274980 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 270 ms 269584 KB Output is correct
2 Correct 273 ms 269632 KB Output is correct
3 Correct 271 ms 269708 KB Output is correct
4 Correct 274 ms 269552 KB Output is correct
5 Correct 404 ms 273932 KB Output is correct
6 Correct 358 ms 274168 KB Output is correct
7 Correct 392 ms 274120 KB Output is correct
8 Correct 337 ms 275088 KB Output is correct
9 Correct 451 ms 274300 KB Output is correct
10 Correct 386 ms 274204 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 332 ms 269560 KB Output is correct
2 Correct 269 ms 269560 KB Output is correct
3 Correct 270 ms 269728 KB Output is correct
4 Correct 268 ms 269560 KB Output is correct
5 Correct 271 ms 269660 KB Output is correct
6 Correct 271 ms 269620 KB Output is correct
7 Correct 303 ms 269652 KB Output is correct
8 Correct 304 ms 269756 KB Output is correct
9 Correct 327 ms 269560 KB Output is correct
10 Correct 314 ms 269688 KB Output is correct
11 Correct 326 ms 269560 KB Output is correct
12 Correct 281 ms 269560 KB Output is correct
13 Correct 332 ms 269688 KB Output is correct
14 Correct 282 ms 269608 KB Output is correct
15 Correct 269 ms 269604 KB Output is correct
16 Correct 275 ms 269780 KB Output is correct
17 Correct 273 ms 269560 KB Output is correct
18 Correct 277 ms 269648 KB Output is correct
19 Correct 293 ms 269628 KB Output is correct
20 Correct 271 ms 269560 KB Output is correct
21 Correct 290 ms 269564 KB Output is correct
22 Correct 278 ms 269628 KB Output is correct
23 Correct 275 ms 269636 KB Output is correct
24 Correct 317 ms 269636 KB Output is correct
25 Correct 346 ms 269688 KB Output is correct
26 Correct 272 ms 269560 KB Output is correct
27 Correct 274 ms 269700 KB Output is correct
28 Correct 273 ms 269560 KB Output is correct
29 Correct 272 ms 269528 KB Output is correct
30 Correct 275 ms 269744 KB Output is correct
31 Correct 270 ms 269580 KB Output is correct
32 Correct 273 ms 269620 KB Output is correct
33 Correct 274 ms 269560 KB Output is correct
34 Correct 307 ms 269688 KB Output is correct
35 Correct 281 ms 269612 KB Output is correct
36 Correct 274 ms 269560 KB Output is correct
37 Correct 273 ms 269628 KB Output is correct
38 Correct 272 ms 269636 KB Output is correct
39 Correct 279 ms 269568 KB Output is correct
40 Correct 272 ms 269556 KB Output is correct
41 Correct 286 ms 269636 KB Output is correct
42 Correct 268 ms 269620 KB Output is correct
43 Correct 273 ms 269708 KB Output is correct
44 Correct 271 ms 269692 KB Output is correct
45 Correct 272 ms 269632 KB Output is correct
46 Correct 274 ms 269684 KB Output is correct
47 Correct 272 ms 269592 KB Output is correct
48 Correct 274 ms 269684 KB Output is correct
49 Correct 274 ms 269708 KB Output is correct
50 Correct 275 ms 269616 KB Output is correct
51 Correct 304 ms 269692 KB Output is correct
52 Correct 291 ms 269648 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 332 ms 269560 KB Output is correct
2 Correct 269 ms 269560 KB Output is correct
3 Correct 270 ms 269728 KB Output is correct
4 Correct 268 ms 269560 KB Output is correct
5 Correct 271 ms 269660 KB Output is correct
6 Correct 271 ms 269620 KB Output is correct
7 Correct 303 ms 269652 KB Output is correct
8 Correct 304 ms 269756 KB Output is correct
9 Correct 327 ms 269560 KB Output is correct
10 Correct 314 ms 269688 KB Output is correct
11 Correct 326 ms 269560 KB Output is correct
12 Correct 281 ms 269560 KB Output is correct
13 Correct 332 ms 269688 KB Output is correct
14 Correct 282 ms 269608 KB Output is correct
15 Correct 269 ms 269604 KB Output is correct
16 Correct 275 ms 269780 KB Output is correct
17 Correct 273 ms 269560 KB Output is correct
18 Correct 277 ms 269648 KB Output is correct
19 Correct 293 ms 269628 KB Output is correct
20 Correct 271 ms 269560 KB Output is correct
21 Correct 290 ms 269564 KB Output is correct
22 Correct 278 ms 269628 KB Output is correct
23 Correct 275 ms 269636 KB Output is correct
24 Correct 317 ms 269636 KB Output is correct
25 Correct 346 ms 269688 KB Output is correct
26 Correct 272 ms 269560 KB Output is correct
27 Correct 274 ms 269700 KB Output is correct
28 Correct 273 ms 269560 KB Output is correct
29 Correct 272 ms 269528 KB Output is correct
30 Correct 275 ms 269744 KB Output is correct
31 Correct 270 ms 269580 KB Output is correct
32 Correct 273 ms 269620 KB Output is correct
33 Correct 274 ms 269560 KB Output is correct
34 Correct 307 ms 269688 KB Output is correct
35 Correct 281 ms 269612 KB Output is correct
36 Correct 274 ms 269560 KB Output is correct
37 Correct 284 ms 269540 KB Output is correct
38 Correct 271 ms 269692 KB Output is correct
39 Correct 268 ms 269560 KB Output is correct
40 Correct 271 ms 269632 KB Output is correct
41 Correct 269 ms 269560 KB Output is correct
42 Correct 270 ms 269560 KB Output is correct
43 Correct 271 ms 269732 KB Output is correct
44 Correct 272 ms 269688 KB Output is correct
45 Correct 273 ms 269560 KB Output is correct
46 Correct 276 ms 269680 KB Output is correct
47 Correct 272 ms 269640 KB Output is correct
48 Correct 271 ms 269576 KB Output is correct
49 Correct 306 ms 269688 KB Output is correct
50 Correct 271 ms 269688 KB Output is correct
51 Correct 341 ms 269740 KB Output is correct
52 Correct 298 ms 269560 KB Output is correct
53 Correct 306 ms 269816 KB Output is correct
54 Correct 330 ms 270172 KB Output is correct
55 Correct 305 ms 270200 KB Output is correct
56 Correct 339 ms 274916 KB Output is correct
57 Correct 334 ms 274848 KB Output is correct
58 Correct 348 ms 274844 KB Output is correct
59 Correct 335 ms 274748 KB Output is correct
60 Correct 332 ms 274840 KB Output is correct
61 Correct 343 ms 274856 KB Output is correct
62 Correct 335 ms 274988 KB Output is correct
63 Correct 340 ms 275012 KB Output is correct
64 Correct 331 ms 275096 KB Output is correct
65 Correct 334 ms 274860 KB Output is correct
66 Correct 337 ms 274980 KB Output is correct
67 Correct 336 ms 274756 KB Output is correct
68 Correct 353 ms 275044 KB Output is correct
69 Correct 290 ms 269664 KB Output is correct
70 Correct 302 ms 269608 KB Output is correct
71 Correct 335 ms 275028 KB Output is correct
72 Correct 335 ms 274936 KB Output is correct
73 Correct 334 ms 274980 KB Output is correct
74 Correct 270 ms 269584 KB Output is correct
75 Correct 273 ms 269632 KB Output is correct
76 Correct 271 ms 269708 KB Output is correct
77 Correct 274 ms 269552 KB Output is correct
78 Correct 404 ms 273932 KB Output is correct
79 Correct 358 ms 274168 KB Output is correct
80 Correct 392 ms 274120 KB Output is correct
81 Correct 337 ms 275088 KB Output is correct
82 Correct 451 ms 274300 KB Output is correct
83 Correct 386 ms 274204 KB Output is correct
84 Correct 273 ms 269628 KB Output is correct
85 Correct 272 ms 269636 KB Output is correct
86 Correct 279 ms 269568 KB Output is correct
87 Correct 272 ms 269556 KB Output is correct
88 Correct 286 ms 269636 KB Output is correct
89 Correct 268 ms 269620 KB Output is correct
90 Correct 273 ms 269708 KB Output is correct
91 Correct 271 ms 269692 KB Output is correct
92 Correct 272 ms 269632 KB Output is correct
93 Correct 274 ms 269684 KB Output is correct
94 Correct 272 ms 269592 KB Output is correct
95 Correct 274 ms 269684 KB Output is correct
96 Correct 274 ms 269708 KB Output is correct
97 Correct 275 ms 269616 KB Output is correct
98 Correct 304 ms 269692 KB Output is correct
99 Correct 291 ms 269648 KB Output is correct
100 Correct 274 ms 269652 KB Output is correct
101 Correct 286 ms 270040 KB Output is correct
102 Correct 278 ms 269968 KB Output is correct
103 Correct 399 ms 274172 KB Output is correct
104 Correct 388 ms 274148 KB Output is correct
105 Correct 388 ms 274124 KB Output is correct
106 Correct 392 ms 274164 KB Output is correct
107 Correct 347 ms 274172 KB Output is correct
108 Correct 362 ms 274148 KB Output is correct
109 Correct 336 ms 275056 KB Output is correct
110 Correct 372 ms 275012 KB Output is correct
111 Correct 413 ms 274172 KB Output is correct
112 Correct 418 ms 274296 KB Output is correct
113 Correct 386 ms 274184 KB Output is correct
114 Correct 418 ms 274240 KB Output is correct
115 Correct 391 ms 274160 KB Output is correct