oj.uz

Submission #144865

# Submission time Handle Problem Language Result Execution time Memory
144865 2019-08-17T23:18:05 Z eriksuenderhauf Arranging Shoes (IOI19_shoes) C++14
100 / 100
 431 ms 276600 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include "shoes.h"
#define pii pair<int, int>
#define vi vector<int>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
typedef long long ll;
const int MAXN = 2e5 + 5;
deque<int> L[MAXN], R[MAXN];
int seg[MAXN*4], vis[MAXN];

void upd(int l, int r, int k, int a, int b) {
	if (a <= l && r <= b) {
		seg[k]++;
		return;
	}
	int m = (l+r) / 2;
	if (a <= m) upd(l,m,k*2,a,b);
	if (m < b) upd(m+1,r,k*2+1,a,b);
}

int qry(int l, int r, int k, int a) {
	if (l == r) return a+seg[k];
	int m = (l+r) / 2;
	return seg[k] + (a <= m ? qry(l,m,k*2,a) : qry(m+1,r,k*2+1,a));
}

ll count_swaps(vi s) {
	int n = s.size() / 2;
	deque<pii> act;
	for (int i = 0; i < 2*n; i++) {
		act.pb(mp(i,s[i]));
		if (s[i] < 0)
			L[-s[i]].pb(i);
		else
			R[s[i]].pb(i);
	}
	ll ret = 0;
	while (act.size()) {
		pii a1 = act.front(); act.pop_front();
		if (vis[a1.fi])
			continue;
		if (a1.se < 0)
			L[-a1.se].pop_front();
		else
			R[a1.se].pop_front();
		if (a1.se < 0) {
			int nx = R[-a1.se].front(); R[-a1.se].pop_front();
			vis[nx] = 1;
			ret += (ll)abs(qry(0,2*n-1,1,a1.fi)+1-qry(0,2*n-1,1,nx));
			upd(0,2*n-1,1,a1.fi,nx);
		} else {
			int nx = L[a1.se].front(); L[a1.se].pop_front();
			vis[nx] = 1;
			ret += (ll)abs(qry(0,2*n-1,1,a1.fi)-qry(0,2*n-1,1,nx));
			upd(0,2*n-1,1,a1.fi,nx);
		}
	}
	return ret;
}

/*int main() {
	int n; scanf("%d", &n);
	vi s(2*n);
	for (int i = 0; i < 2*n; i++)
		scanf("%d", &s[i]);
	printf("%I64d\n", count_swaps(s));
	return 0;
}*/

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 269560 KB Output is correct
2 Correct 271 ms 269620 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 269560 KB Output is correct
2 Correct 271 ms 269620 KB Output is correct
3 Correct 275 ms 269472 KB Output is correct
4 Correct 287 ms 269600 KB Output is correct
5 Correct 270 ms 269560 KB Output is correct
6 Correct 269 ms 269688 KB Output is correct
7 Correct 274 ms 269548 KB Output is correct
8 Correct 275 ms 269660 KB Output is correct
9 Correct 272 ms 269704 KB Output is correct
10 Correct 295 ms 269688 KB Output is correct
11 Correct 272 ms 269564 KB Output is correct
12 Correct 271 ms 269688 KB Output is correct
13 Correct 326 ms 269688 KB Output is correct
14 Correct 268 ms 269648 KB Output is correct
15 Correct 272 ms 269692 KB Output is correct
16 Correct 270 ms 269688 KB Output is correct
17 Correct 269 ms 269688 KB Output is correct
18 Correct 274 ms 269688 KB Output is correct
19 Correct 273 ms 269688 KB Output is correct
20 Correct 278 ms 269688 KB Output is correct
21 Correct 308 ms 269688 KB Output is correct
22 Correct 270 ms 269752 KB Output is correct
23 Correct 270 ms 269688 KB Output is correct
24 Correct 270 ms 269660 KB Output is correct
25 Correct 280 ms 269688 KB Output is correct
26 Correct 283 ms 269692 KB Output is correct
27 Correct 298 ms 269560 KB Output is correct
28 Correct 270 ms 269696 KB Output is correct
29 Correct 273 ms 269560 KB Output is correct
30 Correct 271 ms 269704 KB Output is correct
31 Correct 268 ms 269688 KB Output is correct
32 Correct 269 ms 269560 KB Output is correct
33 Correct 270 ms 269740 KB Output is correct
34 Correct 285 ms 269652 KB Output is correct
35 Correct 270 ms 269560 KB Output is correct
36 Correct 276 ms 269612 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 269560 KB Output is correct
2 Correct 271 ms 269620 KB Output is correct
3 Correct 277 ms 269568 KB Output is correct
4 Correct 287 ms 269688 KB Output is correct
5 Correct 315 ms 269688 KB Output is correct
6 Correct 268 ms 269636 KB Output is correct
7 Correct 307 ms 269816 KB Output is correct
8 Correct 273 ms 269624 KB Output is correct
9 Correct 326 ms 269688 KB Output is correct
10 Correct 286 ms 269688 KB Output is correct
11 Correct 268 ms 269688 KB Output is correct
12 Correct 269 ms 269688 KB Output is correct
13 Correct 267 ms 269652 KB Output is correct
14 Correct 268 ms 269688 KB Output is correct
15 Correct 266 ms 269560 KB Output is correct
16 Correct 265 ms 269576 KB Output is correct
17 Correct 269 ms 269688 KB Output is correct
18 Correct 337 ms 269816 KB Output is correct
19 Correct 294 ms 269816 KB Output is correct
20 Correct 297 ms 270456 KB Output is correct
21 Correct 301 ms 270584 KB Output is correct
22 Correct 389 ms 276600 KB Output is correct
23 Correct 366 ms 275960 KB Output is correct
24 Correct 358 ms 276600 KB Output is correct
25 Correct 365 ms 276088 KB Output is correct
26 Correct 360 ms 276600 KB Output is correct
27 Correct 346 ms 276052 KB Output is correct
28 Correct 360 ms 276216 KB Output is correct
29 Correct 365 ms 276196 KB Output is correct
30 Correct 358 ms 276216 KB Output is correct
31 Correct 359 ms 276492 KB Output is correct
32 Correct 360 ms 276088 KB Output is correct
33 Correct 366 ms 276220 KB Output is correct
34 Correct 367 ms 276220 KB Output is correct
35 Correct 266 ms 269688 KB Output is correct
36 Correct 270 ms 269688 KB Output is correct
37 Correct 363 ms 276088 KB Output is correct
38 Correct 361 ms 276216 KB Output is correct
39 Correct 362 ms 276216 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 269640 KB Output is correct
2 Correct 271 ms 269668 KB Output is correct
3 Correct 267 ms 269560 KB Output is correct
4 Correct 269 ms 269820 KB Output is correct
5 Correct 399 ms 275416 KB Output is correct
6 Correct 364 ms 275380 KB Output is correct
7 Correct 397 ms 275320 KB Output is correct
8 Correct 367 ms 276092 KB Output is correct
9 Correct 395 ms 275356 KB Output is correct
10 Correct 381 ms 275324 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 269560 KB Output is correct
2 Correct 271 ms 269620 KB Output is correct
3 Correct 275 ms 269472 KB Output is correct
4 Correct 287 ms 269600 KB Output is correct
5 Correct 270 ms 269560 KB Output is correct
6 Correct 269 ms 269688 KB Output is correct
7 Correct 274 ms 269548 KB Output is correct
8 Correct 275 ms 269660 KB Output is correct
9 Correct 272 ms 269704 KB Output is correct
10 Correct 295 ms 269688 KB Output is correct
11 Correct 272 ms 269564 KB Output is correct
12 Correct 271 ms 269688 KB Output is correct
13 Correct 326 ms 269688 KB Output is correct
14 Correct 268 ms 269648 KB Output is correct
15 Correct 272 ms 269692 KB Output is correct
16 Correct 270 ms 269688 KB Output is correct
17 Correct 269 ms 269688 KB Output is correct
18 Correct 274 ms 269688 KB Output is correct
19 Correct 273 ms 269688 KB Output is correct
20 Correct 278 ms 269688 KB Output is correct
21 Correct 308 ms 269688 KB Output is correct
22 Correct 270 ms 269752 KB Output is correct
23 Correct 270 ms 269688 KB Output is correct
24 Correct 270 ms 269660 KB Output is correct
25 Correct 280 ms 269688 KB Output is correct
26 Correct 283 ms 269692 KB Output is correct
27 Correct 298 ms 269560 KB Output is correct
28 Correct 270 ms 269696 KB Output is correct
29 Correct 273 ms 269560 KB Output is correct
30 Correct 271 ms 269704 KB Output is correct
31 Correct 268 ms 269688 KB Output is correct
32 Correct 269 ms 269560 KB Output is correct
33 Correct 270 ms 269740 KB Output is correct
34 Correct 285 ms 269652 KB Output is correct
35 Correct 270 ms 269560 KB Output is correct
36 Correct 276 ms 269612 KB Output is correct
37 Correct 274 ms 269668 KB Output is correct
38 Correct 281 ms 269560 KB Output is correct
39 Correct 296 ms 269560 KB Output is correct
40 Correct 264 ms 269688 KB Output is correct
41 Correct 268 ms 269672 KB Output is correct
42 Correct 274 ms 269692 KB Output is correct
43 Correct 268 ms 269740 KB Output is correct
44 Correct 271 ms 269688 KB Output is correct
45 Correct 310 ms 269816 KB Output is correct
46 Correct 314 ms 269788 KB Output is correct
47 Correct 277 ms 269688 KB Output is correct
48 Correct 269 ms 269768 KB Output is correct
49 Correct 269 ms 269768 KB Output is correct
50 Correct 318 ms 269804 KB Output is correct
51 Correct 330 ms 269760 KB Output is correct
52 Correct 272 ms 269688 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 269 ms 269560 KB Output is correct
2 Correct 271 ms 269620 KB Output is correct
3 Correct 275 ms 269472 KB Output is correct
4 Correct 287 ms 269600 KB Output is correct
5 Correct 270 ms 269560 KB Output is correct
6 Correct 269 ms 269688 KB Output is correct
7 Correct 274 ms 269548 KB Output is correct
8 Correct 275 ms 269660 KB Output is correct
9 Correct 272 ms 269704 KB Output is correct
10 Correct 295 ms 269688 KB Output is correct
11 Correct 272 ms 269564 KB Output is correct
12 Correct 271 ms 269688 KB Output is correct
13 Correct 326 ms 269688 KB Output is correct
14 Correct 268 ms 269648 KB Output is correct
15 Correct 272 ms 269692 KB Output is correct
16 Correct 270 ms 269688 KB Output is correct
17 Correct 269 ms 269688 KB Output is correct
18 Correct 274 ms 269688 KB Output is correct
19 Correct 273 ms 269688 KB Output is correct
20 Correct 278 ms 269688 KB Output is correct
21 Correct 308 ms 269688 KB Output is correct
22 Correct 270 ms 269752 KB Output is correct
23 Correct 270 ms 269688 KB Output is correct
24 Correct 270 ms 269660 KB Output is correct
25 Correct 280 ms 269688 KB Output is correct
26 Correct 283 ms 269692 KB Output is correct
27 Correct 298 ms 269560 KB Output is correct
28 Correct 270 ms 269696 KB Output is correct
29 Correct 273 ms 269560 KB Output is correct
30 Correct 271 ms 269704 KB Output is correct
31 Correct 268 ms 269688 KB Output is correct
32 Correct 269 ms 269560 KB Output is correct
33 Correct 270 ms 269740 KB Output is correct
34 Correct 285 ms 269652 KB Output is correct
35 Correct 270 ms 269560 KB Output is correct
36 Correct 276 ms 269612 KB Output is correct
37 Correct 277 ms 269568 KB Output is correct
38 Correct 287 ms 269688 KB Output is correct
39 Correct 315 ms 269688 KB Output is correct
40 Correct 268 ms 269636 KB Output is correct
41 Correct 307 ms 269816 KB Output is correct
42 Correct 273 ms 269624 KB Output is correct
43 Correct 326 ms 269688 KB Output is correct
44 Correct 286 ms 269688 KB Output is correct
45 Correct 268 ms 269688 KB Output is correct
46 Correct 269 ms 269688 KB Output is correct
47 Correct 267 ms 269652 KB Output is correct
48 Correct 268 ms 269688 KB Output is correct
49 Correct 266 ms 269560 KB Output is correct
50 Correct 265 ms 269576 KB Output is correct
51 Correct 269 ms 269688 KB Output is correct
52 Correct 337 ms 269816 KB Output is correct
53 Correct 294 ms 269816 KB Output is correct
54 Correct 297 ms 270456 KB Output is correct
55 Correct 301 ms 270584 KB Output is correct
56 Correct 389 ms 276600 KB Output is correct
57 Correct 366 ms 275960 KB Output is correct
58 Correct 358 ms 276600 KB Output is correct
59 Correct 365 ms 276088 KB Output is correct
60 Correct 360 ms 276600 KB Output is correct
61 Correct 346 ms 276052 KB Output is correct
62 Correct 360 ms 276216 KB Output is correct
63 Correct 365 ms 276196 KB Output is correct
64 Correct 358 ms 276216 KB Output is correct
65 Correct 359 ms 276492 KB Output is correct
66 Correct 360 ms 276088 KB Output is correct
67 Correct 366 ms 276220 KB Output is correct
68 Correct 367 ms 276220 KB Output is correct
69 Correct 266 ms 269688 KB Output is correct
70 Correct 270 ms 269688 KB Output is correct
71 Correct 363 ms 276088 KB Output is correct
72 Correct 361 ms 276216 KB Output is correct
73 Correct 362 ms 276216 KB Output is correct
74 Correct 269 ms 269640 KB Output is correct
75 Correct 271 ms 269668 KB Output is correct
76 Correct 267 ms 269560 KB Output is correct
77 Correct 269 ms 269820 KB Output is correct
78 Correct 399 ms 275416 KB Output is correct
79 Correct 364 ms 275380 KB Output is correct
80 Correct 397 ms 275320 KB Output is correct
81 Correct 367 ms 276092 KB Output is correct
82 Correct 395 ms 275356 KB Output is correct
83 Correct 381 ms 275324 KB Output is correct
84 Correct 274 ms 269668 KB Output is correct
85 Correct 281 ms 269560 KB Output is correct
86 Correct 296 ms 269560 KB Output is correct
87 Correct 264 ms 269688 KB Output is correct
88 Correct 268 ms 269672 KB Output is correct
89 Correct 274 ms 269692 KB Output is correct
90 Correct 268 ms 269740 KB Output is correct
91 Correct 271 ms 269688 KB Output is correct
92 Correct 310 ms 269816 KB Output is correct
93 Correct 314 ms 269788 KB Output is correct
94 Correct 277 ms 269688 KB Output is correct
95 Correct 269 ms 269768 KB Output is correct
96 Correct 269 ms 269768 KB Output is correct
97 Correct 318 ms 269804 KB Output is correct
98 Correct 330 ms 269760 KB Output is correct
99 Correct 272 ms 269688 KB Output is correct
100 Correct 272 ms 269816 KB Output is correct
101 Correct 279 ms 270328 KB Output is correct
102 Correct 280 ms 270200 KB Output is correct
103 Correct 414 ms 275832 KB Output is correct
104 Correct 384 ms 275248 KB Output is correct
105 Correct 395 ms 275704 KB Output is correct
106 Correct 395 ms 275344 KB Output is correct
107 Correct 366 ms 275704 KB Output is correct
108 Correct 362 ms 275252 KB Output is correct
109 Correct 385 ms 276088 KB Output is correct
110 Correct 359 ms 276088 KB Output is correct
111 Correct 431 ms 275316 KB Output is correct
112 Correct 412 ms 275704 KB Output is correct
113 Correct 383 ms 275292 KB Output is correct
114 Correct 392 ms 275324 KB Output is correct
115 Correct 393 ms 275300 KB Output is correct