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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#407757 | #4252. Permutation | zhaohaikun# | 71.646154 | 335ms | 4408kb | C++20 | 2.7kb | 2024-05-09 10:44:33 | 2024-05-09 10:44:33 |
Judging History
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;}
int cc(ll n) {
int ans = 0;
DF(i, 60, 1) {
ll w = (1ll << i) - 1;
while (n >= w) {
ans += i;
n -= w;
}
}
return ans;
}
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, 20) {
vector <int> t(i);
F(j, 1, i) t[j - 1] = j - 1;
lim = min(800, lim * i);
// do {
F(j, 1, lim) {
shuffle(all(t), mrand);
int v = calc(t);
// debug << v << endl;
if (n >= v) {
// vector <int> w = cc(n - v);
if (cc(n - v) + i < ans.size()) {
vector <int> w = solve(n - v);
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
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Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 209ms
memory: 3776kb
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 4 2 3 1 0 4 2 3 0 1 3 0 1 2 4 1 2 3 0 4 0 3 1 2 5 2 3 4 0 1 4 1 0 2 3 5 2 1 3 4 0 5 0 3 2 4 1 5 1 2 0 4 3 4 0 1 2 3 5 1 2 3 4 0 5 1 0 2 4 3 6 2 3 4 5 0 1 5 0 3 1 2 4 6 1 4 2 3 5 0 6 0 3 2 5 1 4 6 3 0 1 5 2 4 5 0 2 1 3 4 6 2 1 3 4 5 0 6 ...
result:
ok
Subtask #2:
score: 61.6462
Acceptable Answer
Test #2:
score: 90
Accepted
time: 306ms
memory: 3996kb
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 55 39 52 41 40 54 47 43 45 38 46 48 42 51 44 50 49 53 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 11 12 13 14 15 16 17 18 19 20 21 22 0 1 2 3 4 5 6 7 8 9 10 59 45 42 43 40 41 54 51 44 52 57 47 48 46 53 49 55 56 50 58 24 25 26 27 28 29 30 31 32 33 34 35 36 37 ...
result:
ok
Test #3:
score: 75.6923
Acceptable Answer
time: 281ms
memory: 3876kb
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 0.8410256410
Test #4:
score: 61.6462
Acceptable Answer
time: 304ms
memory: 4076kb
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 0.6849572650
Test #5:
score: 73.5231
Acceptable Answer
time: 306ms
memory: 4188kb
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 377 363 371 366 370 368 364 369 375 365 373 374 367 372 376 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 290 291 292 293 294 295 296 297 298 299 300 301 ...
result:
points 0.81692307690
Test #6:
score: 69.4154
Acceptable Answer
time: 308ms
memory: 4192kb
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 458 453 454 456 455 457 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 360 361 362 363 364 365 366 367 368 369 370 ...
result:
points 0.77128205130
Test #7:
score: 64.0462
Acceptable Answer
time: 315ms
memory: 4216kb
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 664 658 645 649 655 650 652 646 653 647 657 661 651 654 660 663 656 662 659 648 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 ...
result:
points 0.71162393160
Test #8:
score: 90
Accepted
time: 321ms
memory: 3880kb
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: 65.9385
Acceptable Answer
time: 335ms
memory: 3936kb
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 1032 1013 1015 1018 1017 1023 1019 1020 1016 1028 1029 1027 1021 1022 1025 1031 1030 1024 1026 1014 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 ...
result:
points 0.73264957260
Test #10:
score: 64.1077
Acceptable Answer
time: 320ms
memory: 4408kb
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 650 637 642 649 632 647 635 634 639 636 644 633 640 641 645 643 638 646 648 631 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 ...
result:
points 0.71230769230
Test #11:
score: 65.2615
Acceptable Answer
time: 310ms
memory: 4204kb
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 477 463 465 464 468 467 470 466 460 473 471 472 461 469 462 475 476 474 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 ...
result:
points 0.72512820510
Test #12:
score: 62.9385
Acceptable Answer
time: 317ms
memory: 4384kb
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 1046 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 10...
result:
points 0.69931623930