oj.uz

Submission #153528

# Submission time Handle Problem Language Result Execution time Memory
153528 2019-09-14T14:32:24 Z myungwoo Arranging Shoes (IOI19_shoes) C++14
100 / 100
 458 ms 275244 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];

void add(int n)
{
	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
	vis[a] = 1; 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];
	for (int i=1;i<=N;i++){
		if (A[i] < 0) L[-A[i]].push(i);
		else R[A[i]].push(i);
	}
	lld total = 0;
	int pos = N;
	for (int i=N;i;i--) if (!vis[i]){
		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 272 ms 269632 KB Output is correct
2 Correct 276 ms 269560 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 269632 KB Output is correct
2 Correct 276 ms 269560 KB Output is correct
3 Correct 271 ms 269588 KB Output is correct
4 Correct 271 ms 269688 KB Output is correct
5 Correct 279 ms 269560 KB Output is correct
6 Correct 276 ms 269560 KB Output is correct
7 Correct 273 ms 269660 KB Output is correct
8 Correct 272 ms 269560 KB Output is correct
9 Correct 272 ms 269668 KB Output is correct
10 Correct 273 ms 269608 KB Output is correct
11 Correct 274 ms 269688 KB Output is correct
12 Correct 274 ms 269672 KB Output is correct
13 Correct 311 ms 269676 KB Output is correct
14 Correct 320 ms 269608 KB Output is correct
15 Correct 275 ms 269636 KB Output is correct
16 Correct 279 ms 269640 KB Output is correct
17 Correct 290 ms 269696 KB Output is correct
18 Correct 290 ms 269796 KB Output is correct
19 Correct 314 ms 269560 KB Output is correct
20 Correct 275 ms 269600 KB Output is correct
21 Correct 274 ms 269700 KB Output is correct
22 Correct 271 ms 269656 KB Output is correct
23 Correct 282 ms 269564 KB Output is correct
24 Correct 274 ms 269688 KB Output is correct
25 Correct 273 ms 269576 KB Output is correct
26 Correct 294 ms 269588 KB Output is correct
27 Correct 274 ms 269688 KB Output is correct
28 Correct 275 ms 269560 KB Output is correct
29 Correct 278 ms 269636 KB Output is correct
30 Correct 274 ms 269696 KB Output is correct
31 Correct 274 ms 269616 KB Output is correct
32 Correct 272 ms 269580 KB Output is correct
33 Correct 273 ms 269540 KB Output is correct
34 Correct 272 ms 269688 KB Output is correct
35 Correct 279 ms 269604 KB Output is correct
36 Correct 272 ms 269560 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 269632 KB Output is correct
2 Correct 276 ms 269560 KB Output is correct
3 Correct 275 ms 269632 KB Output is correct
4 Correct 276 ms 269560 KB Output is correct
5 Correct 274 ms 269660 KB Output is correct
6 Correct 293 ms 269748 KB Output is correct
7 Correct 275 ms 269688 KB Output is correct
8 Correct 276 ms 269600 KB Output is correct
9 Correct 293 ms 269688 KB Output is correct
10 Correct 285 ms 269692 KB Output is correct
11 Correct 319 ms 269692 KB Output is correct
12 Correct 291 ms 269636 KB Output is correct
13 Correct 283 ms 269588 KB Output is correct
14 Correct 318 ms 269576 KB Output is correct
15 Correct 273 ms 269560 KB Output is correct
16 Correct 318 ms 269652 KB Output is correct
17 Correct 277 ms 269676 KB Output is correct
18 Correct 306 ms 269708 KB Output is correct
19 Correct 300 ms 269664 KB Output is correct
20 Correct 303 ms 270180 KB Output is correct
21 Correct 298 ms 270152 KB Output is correct
22 Correct 338 ms 274804 KB Output is correct
23 Correct 337 ms 274804 KB Output is correct
24 Correct 339 ms 274832 KB Output is correct
25 Correct 398 ms 274912 KB Output is correct
26 Correct 335 ms 274916 KB Output is correct
27 Correct 350 ms 274564 KB Output is correct
28 Correct 332 ms 275096 KB Output is correct
29 Correct 332 ms 274904 KB Output is correct
30 Correct 327 ms 274968 KB Output is correct
31 Correct 334 ms 274960 KB Output is correct
32 Correct 333 ms 275244 KB Output is correct
33 Correct 331 ms 274800 KB Output is correct
34 Correct 334 ms 274952 KB Output is correct
35 Correct 274 ms 269680 KB Output is correct
36 Correct 286 ms 269688 KB Output is correct
37 Correct 342 ms 275100 KB Output is correct
38 Correct 335 ms 274932 KB Output is correct
39 Correct 364 ms 275040 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 277 ms 269648 KB Output is correct
2 Correct 341 ms 269688 KB Output is correct
3 Correct 275 ms 269700 KB Output is correct
4 Correct 274 ms 269688 KB Output is correct
5 Correct 386 ms 274296 KB Output is correct
6 Correct 345 ms 274340 KB Output is correct
7 Correct 386 ms 274152 KB Output is correct
8 Correct 394 ms 275080 KB Output is correct
9 Correct 433 ms 274172 KB Output is correct
10 Correct 379 ms 274196 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 269632 KB Output is correct
2 Correct 276 ms 269560 KB Output is correct
3 Correct 271 ms 269588 KB Output is correct
4 Correct 271 ms 269688 KB Output is correct
5 Correct 279 ms 269560 KB Output is correct
6 Correct 276 ms 269560 KB Output is correct
7 Correct 273 ms 269660 KB Output is correct
8 Correct 272 ms 269560 KB Output is correct
9 Correct 272 ms 269668 KB Output is correct
10 Correct 273 ms 269608 KB Output is correct
11 Correct 274 ms 269688 KB Output is correct
12 Correct 274 ms 269672 KB Output is correct
13 Correct 311 ms 269676 KB Output is correct
14 Correct 320 ms 269608 KB Output is correct
15 Correct 275 ms 269636 KB Output is correct
16 Correct 279 ms 269640 KB Output is correct
17 Correct 290 ms 269696 KB Output is correct
18 Correct 290 ms 269796 KB Output is correct
19 Correct 314 ms 269560 KB Output is correct
20 Correct 275 ms 269600 KB Output is correct
21 Correct 274 ms 269700 KB Output is correct
22 Correct 271 ms 269656 KB Output is correct
23 Correct 282 ms 269564 KB Output is correct
24 Correct 274 ms 269688 KB Output is correct
25 Correct 273 ms 269576 KB Output is correct
26 Correct 294 ms 269588 KB Output is correct
27 Correct 274 ms 269688 KB Output is correct
28 Correct 275 ms 269560 KB Output is correct
29 Correct 278 ms 269636 KB Output is correct
30 Correct 274 ms 269696 KB Output is correct
31 Correct 274 ms 269616 KB Output is correct
32 Correct 272 ms 269580 KB Output is correct
33 Correct 273 ms 269540 KB Output is correct
34 Correct 272 ms 269688 KB Output is correct
35 Correct 279 ms 269604 KB Output is correct
36 Correct 272 ms 269560 KB Output is correct
37 Correct 274 ms 269560 KB Output is correct
38 Correct 274 ms 269656 KB Output is correct
39 Correct 309 ms 269560 KB Output is correct
40 Correct 275 ms 269604 KB Output is correct
41 Correct 275 ms 269692 KB Output is correct
42 Correct 273 ms 269688 KB Output is correct
43 Correct 281 ms 269616 KB Output is correct
44 Correct 276 ms 269752 KB Output is correct
45 Correct 279 ms 269640 KB Output is correct
46 Correct 272 ms 269688 KB Output is correct
47 Correct 276 ms 269872 KB Output is correct
48 Correct 274 ms 269804 KB Output is correct
49 Correct 275 ms 269696 KB Output is correct
50 Correct 278 ms 269688 KB Output is correct
51 Correct 351 ms 269728 KB Output is correct
52 Correct 286 ms 269656 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 272 ms 269632 KB Output is correct
2 Correct 276 ms 269560 KB Output is correct
3 Correct 271 ms 269588 KB Output is correct
4 Correct 271 ms 269688 KB Output is correct
5 Correct 279 ms 269560 KB Output is correct
6 Correct 276 ms 269560 KB Output is correct
7 Correct 273 ms 269660 KB Output is correct
8 Correct 272 ms 269560 KB Output is correct
9 Correct 272 ms 269668 KB Output is correct
10 Correct 273 ms 269608 KB Output is correct
11 Correct 274 ms 269688 KB Output is correct
12 Correct 274 ms 269672 KB Output is correct
13 Correct 311 ms 269676 KB Output is correct
14 Correct 320 ms 269608 KB Output is correct
15 Correct 275 ms 269636 KB Output is correct
16 Correct 279 ms 269640 KB Output is correct
17 Correct 290 ms 269696 KB Output is correct
18 Correct 290 ms 269796 KB Output is correct
19 Correct 314 ms 269560 KB Output is correct
20 Correct 275 ms 269600 KB Output is correct
21 Correct 274 ms 269700 KB Output is correct
22 Correct 271 ms 269656 KB Output is correct
23 Correct 282 ms 269564 KB Output is correct
24 Correct 274 ms 269688 KB Output is correct
25 Correct 273 ms 269576 KB Output is correct
26 Correct 294 ms 269588 KB Output is correct
27 Correct 274 ms 269688 KB Output is correct
28 Correct 275 ms 269560 KB Output is correct
29 Correct 278 ms 269636 KB Output is correct
30 Correct 274 ms 269696 KB Output is correct
31 Correct 274 ms 269616 KB Output is correct
32 Correct 272 ms 269580 KB Output is correct
33 Correct 273 ms 269540 KB Output is correct
34 Correct 272 ms 269688 KB Output is correct
35 Correct 279 ms 269604 KB Output is correct
36 Correct 272 ms 269560 KB Output is correct
37 Correct 275 ms 269632 KB Output is correct
38 Correct 276 ms 269560 KB Output is correct
39 Correct 274 ms 269660 KB Output is correct
40 Correct 293 ms 269748 KB Output is correct
41 Correct 275 ms 269688 KB Output is correct
42 Correct 276 ms 269600 KB Output is correct
43 Correct 293 ms 269688 KB Output is correct
44 Correct 285 ms 269692 KB Output is correct
45 Correct 319 ms 269692 KB Output is correct
46 Correct 291 ms 269636 KB Output is correct
47 Correct 283 ms 269588 KB Output is correct
48 Correct 318 ms 269576 KB Output is correct
49 Correct 273 ms 269560 KB Output is correct
50 Correct 318 ms 269652 KB Output is correct
51 Correct 277 ms 269676 KB Output is correct
52 Correct 306 ms 269708 KB Output is correct
53 Correct 300 ms 269664 KB Output is correct
54 Correct 303 ms 270180 KB Output is correct
55 Correct 298 ms 270152 KB Output is correct
56 Correct 338 ms 274804 KB Output is correct
57 Correct 337 ms 274804 KB Output is correct
58 Correct 339 ms 274832 KB Output is correct
59 Correct 398 ms 274912 KB Output is correct
60 Correct 335 ms 274916 KB Output is correct
61 Correct 350 ms 274564 KB Output is correct
62 Correct 332 ms 275096 KB Output is correct
63 Correct 332 ms 274904 KB Output is correct
64 Correct 327 ms 274968 KB Output is correct
65 Correct 334 ms 274960 KB Output is correct
66 Correct 333 ms 275244 KB Output is correct
67 Correct 331 ms 274800 KB Output is correct
68 Correct 334 ms 274952 KB Output is correct
69 Correct 274 ms 269680 KB Output is correct
70 Correct 286 ms 269688 KB Output is correct
71 Correct 342 ms 275100 KB Output is correct
72 Correct 335 ms 274932 KB Output is correct
73 Correct 364 ms 275040 KB Output is correct
74 Correct 277 ms 269648 KB Output is correct
75 Correct 341 ms 269688 KB Output is correct
76 Correct 275 ms 269700 KB Output is correct
77 Correct 274 ms 269688 KB Output is correct
78 Correct 386 ms 274296 KB Output is correct
79 Correct 345 ms 274340 KB Output is correct
80 Correct 386 ms 274152 KB Output is correct
81 Correct 394 ms 275080 KB Output is correct
82 Correct 433 ms 274172 KB Output is correct
83 Correct 379 ms 274196 KB Output is correct
84 Correct 274 ms 269560 KB Output is correct
85 Correct 274 ms 269656 KB Output is correct
86 Correct 309 ms 269560 KB Output is correct
87 Correct 275 ms 269604 KB Output is correct
88 Correct 275 ms 269692 KB Output is correct
89 Correct 273 ms 269688 KB Output is correct
90 Correct 281 ms 269616 KB Output is correct
91 Correct 276 ms 269752 KB Output is correct
92 Correct 279 ms 269640 KB Output is correct
93 Correct 272 ms 269688 KB Output is correct
94 Correct 276 ms 269872 KB Output is correct
95 Correct 274 ms 269804 KB Output is correct
96 Correct 275 ms 269696 KB Output is correct
97 Correct 278 ms 269688 KB Output is correct
98 Correct 351 ms 269728 KB Output is correct
99 Correct 286 ms 269656 KB Output is correct
100 Correct 272 ms 269720 KB Output is correct
101 Correct 283 ms 270020 KB Output is correct
102 Correct 279 ms 270072 KB Output is correct
103 Correct 392 ms 274168 KB Output is correct
104 Correct 383 ms 274312 KB Output is correct
105 Correct 387 ms 274332 KB Output is correct
106 Correct 392 ms 274152 KB Output is correct
107 Correct 356 ms 274292 KB Output is correct
108 Correct 407 ms 274296 KB Output is correct
109 Correct 336 ms 275164 KB Output is correct
110 Correct 336 ms 275012 KB Output is correct
111 Correct 394 ms 274124 KB Output is correct
112 Correct 453 ms 274164 KB Output is correct
113 Correct 356 ms 274168 KB Output is correct
114 Correct 415 ms 274188 KB Output is correct
115 Correct 458 ms 274236 KB Output is correct