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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#407753#4252. Permutationzhaohaikun#71.661538 883ms4416kbC++202.5kb2024-05-09 10:41:232024-05-09 10:41:24

Judging History

你现在查看的是最新测评结果

  • [2024-05-09 10:41:24]
  • 评测
  • 测评结果:71.661538
  • 用时:883ms
  • 内存:4416kb
  • [2024-05-09 10:41:23]
  • 提交

answer

#pragma GCC optimize(2)
#pragma GCC optimize("Ofast")
#pragma GCC optimize("inline","fast-math","unroll-loops","no-stack-protector")
#pragma GCC diagnostic error "-fwhole-program"
#pragma GCC diagnostic error "-fcse-skip-blocks"
#pragma GCC diagnostic error "-funsafe-loop-optimizations"
#include "perm.h"
// MagicDark
#include <bits/stdc++.h>
#define debug cerr << "\033[32m[" << __LINE__ << "]\033[0m "
#define SZ(x) ((int) x.size() - 1)
#define all(x) x.begin(), x.end()
#define ms(x, y) memset(x, y, sizeof x)
#define F(i, x, y) for (int i = (x); i <= (y); i++)
#define DF(i, x, y) for (int i = (x); i >= (y); i--)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
template <typename T> T& chkmax(T& x, T y) {return x = max(x, y);}
template <typename T> T& chkmin(T& x, T y) {return x = min(x, y);}
template <typename T> T& read(T &x) {
	x = 0; int f = 1; char c = getchar();
	for (; !isdigit(c); c = getchar()) if (c == '-') f = -f;
	for (; isdigit(c); c = getchar()) x = (x << 1) + (x << 3) + (c ^ 48);
	return x *= f;
}
mt19937 mrand(chrono::steady_clock::now().time_since_epoch().count());
inline int rnd(int l, int r) {return mrand() % (r - l + 1) + l;}
vector <int> solve(ll n) {
	vector <int> ans;
	DF(i, 60, 1) {
		ll w = (1ll << i) - 1;
		while (n >= w) {
			for (int& j: ans) j += i;
			F(j, 1, i) ans.push_back(j - 1);
			n -= w;
		}
	}
	return ans;
}
int dp[1010], t[1010], len;
void modify(int x, int y) {
	x++;
	for (; x <= len; x += x & -x) t[x] += y;
}
int query(int x) {
	int s = 0;
	for (; x; x ^= x & -x) s += t[x];
	return s;
}
int calc(vector <int> x) {
	len = x.size();
	F(i, 1, len) t[i] = 0;
	int s = 0;
	F(i, 0, SZ(x)) {
		dp[i] = 1 + query(x[i]);
		// F(j, 0, i - 1) {
		// 	if (x[j] < x[i]) {
		// 		dp[i] += dp[j];
		// 	}
		// }
		s += dp[i];
		modify(x[i], dp[i]);
	}
	return s;
}
std::vector<int> construct_permutation(long long n) {
	n--;
	vector <int> ans;
	// if (n <= 90) {
	// 	F(i, 1, n) ans.push_back(n - i);
	// 	return ans;
	// }
	ans = solve(n);
	int lim = 1;
	F(i, 1, 30) {
		vector <int> t(i);
		F(j, 1, i) t[j - 1] = j - 1;
		lim = min(100, lim * i);
		// do {
		F(j, 1, lim) {
			shuffle(all(t), mrand);
			int v = calc(t);
			// debug << v << endl;
			if (n >= v) {
				vector <int> w = solve(n - v);
				if (w.size() + i < ans.size()) {
					ans.clear();
					for (int j: t) ans.push_back(j + w.size());
					for (int j: w) ans.push_back(j);
				}
			}
		}
		// } while (next_permutation(all(t)));
	}
	return ans;
}

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 10
Accepted

Test #1:

score: 10
Accepted
time: 64ms
memory: 3964kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
89
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
1
0
2
1 0
2
0 1
3
1 2 0
3
1 0 2
4
2 3 0 1
3
0 1 2
4
1 2 3 0
4
0 2 3 1
5
2 3 4 0 1
4
0 2 1 3
5
2 1 3 4 0
5
2 1 3 0 4
5
1 0 3 4 2
4
0 1 2 3
5
1 2 3 4 0
5
1 2 3 0 4
6
2 3 4 5 0 1
5
0 2 3 1 4
6
1 4 2 3 5 0
6
0 5 1 3 4 2
6
1 2 4 0 5 3
5
1 0 2 3 4
6
1 3 2 4 5 0
6
4 ...

result:

ok 

Subtask #2:

score: 61.6615
Acceptable Answer

Test #2:

score: 90
Accepted
time: 146ms
memory: 3840kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
39993
85709
48645
25391
15360
54084
28947
18808
86735
316
14357
82845
96210
16242
58466
43439
77462
70742
76176
20397
30314
22634
29622
81835
31904
81283
37072
36527
26764
55878
72762
5262
34915
63468
20595
66579
77373
36670
89340
83384
73268
31960
67318
3908...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
44
42 17 16 33 19 15 24 27 40 35 26 32 34 23 29 41 31 36 28 25 39 38 21 37 20 43 22 18 30 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
64
51 45 34 57 41 59 40 37 61 47 56 54 52 50 39 48 55 53 44 42 60 35 38 36 62 46 49 63 58 43 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ...

result:

ok 

Test #3:

score: 75.8615
Acceptable Answer
time: 154ms
memory: 3804kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
2147483647
1073741823
536870911
268435455
134217727
67108863
33554431
16777215
8388607
4194303
2097151
1582
24319
38
463
7
1073741503
3
18
3
3780
2
24934
124910
65535
154
1069539071
209452285
1662
3
3
93
4070
131071
502986749
3164
268430159
247
21746
124927
1...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
60
30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
58
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 ...

result:

points 0.84290598290

Test #4:

score: 61.6615
Acceptable Answer
time: 377ms
memory: 4016kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
576460752303423487
288230376151711743
144115188075855871
72057594037927935
36028797018963967
18014398509481983
9007199254740991
4503599627370495
2251799813685247
1125899906842623
562949953421311
8166608599550
16508780543
33554427
43000192155799
62353919
71773...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
116
58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 2...

result:

points 0.68512820510

Test #5:

score: 73.4923
Acceptable Answer
time: 265ms
memory: 4156kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
336455856505
197522918480
260689715591
857530435844
89809708292
207893569808
702779448503
917149928374
643600357316
927175148543
51879726697
974331197849
721971572596
902469653832
936157710917
714588060426
276939435899
393954173900
692525720126
762289367234
1...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
377
369 363 372 373 366 370 365 367 368 364 374 375 371 376 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 290 291 292 293 294 295 296 297 298 299 300 301 ...

result:

points 0.81658119660

Test #6:

score: 69.4769
Acceptable Answer
time: 354ms
memory: 4224kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
330061280882697
570108406837011
246465711199350
844437948491708
542197441405836
481743322695013
913237337833838
634038564781156
969749245791701
445335878892049
722391184659757
25600568975288
304176471716316
934030664268458
770565383569314
38589802113902
56387...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
458
453 455 454 456 457 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 360 361 362 363 364 365 366 367 368 369 370 ...

result:

points 0.7719658120

Test #7:

score: 64.1385
Acceptable Answer
time: 491ms
memory: 4272kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
9808783958425241
800256975993528789
891794666437715812
154809014071580277
262143300778136084
508038278751820218
855062810898478629
196129157832150290
519747744582635554
544132224659269080
335568667826635843
978219202156109836
887928188166976766
57068450616591...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
655
629 628 630 640 627 637 639 646 636 631 649 632 652 638 633 648 642 641 654 643 653 644 634 651 645 635 650 647 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 ...

result:

points 0.71264957260

Test #8:

score: 90
Accepted
time: 883ms
memory: 4004kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
576460752303423488
576460752303423489
576460752303423490
576460752303423491
576460752303423492
576460752303423493
576460752303423494
576460752303423495
576460752303423496
576460752303423497
576460752303423498
576460752303423499
576460752303423500
576460752303...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
59
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58
60
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 ...

result:

ok 

Test #9:

score: 66.0615
Acceptable Answer
time: 637ms
memory: 4416kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
999999999999999901
999999999999999902
999999999999999903
999999999999999904
999999999999999905
999999999999999906
999999999999999907
999999999999999908
999999999999999909
999999999999999910
999999999999999911
999999999999999912
999999999999999913
999999999999...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
1009
979 985 988 987 980 1001 989 1005 984 1004 994 983 981 993 991 997 999 990 986 982 1003 996 1007 998 995 1000 992 1006 1008 1002 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 95...

result:

points 0.7340170940

Test #10:

score: 64.2615
Acceptable Answer
time: 465ms
memory: 4412kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
333271685633113373
303681151173201623
185954994672690293
695000491456721509
680039555562404861
711731044985538439
725639770789026979
653124604194000671
716161846351295353
727816570890872159
566821251164212697
620956504691616073
845196440395453799
654653854021...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
633
632 607 617 611 622 610 621 609 608 615 616 623 630 612 613 618 606 624 625 629 614 619 620 628 627 626 631 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 ...

result:

points 0.7140170940

Test #11:

score: 65.3538
Acceptable Answer
time: 421ms
memory: 4176kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
11260605527954640
3776579230632
1586488757700
753903936556020250
10601397297904140
810787108223734551
544021594614225000
609804018090927660
212587386929622705
334981274861463750
759012209987031
879302565815602500
156896254323644472
501935537823034315
23356411...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
473
456 461 455 457 458 463 464 462 467 466 465 460 468 470 471 472 459 469 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 ...

result:

points 0.72615384620

Test #12:

score: 63.1846
Acceptable Answer
time: 526ms
memory: 4156kb

input:

a92b3f80-b312-8377-273c-3916024d7f2a
100
450283905890997362
288230376151711743
298023223876953124
789730223053602815
558545864083284006
144115188075855871
150094635296999120
999999999999999999
505447028499293770
184884258895036415
665416609183179840
155568095557812223
437893890380859374
720575940379...

output:

6cad0f33-b1bd-3a3e-1a8d-c4af23adfcbf
OK
1043
1020 1034 1036 1025 1019 1039 1028 1030 1023 1027 1033 1021 1024 1032 1038 1029 1022 1031 1037 1035 1040 1026 1042 1041 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994...

result:

points 0.70205128210