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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#407819 | #4252. Permutation | zhaohaikun# | 91.333333 | 166ms | 4036kb | C++20 | 2.8kb | 2024-05-09 11:40:14 | 2024-05-09 11:40:15 |
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(20070803);
const int T = 90;
inline int rnd(int l, int r) {return mrand() % (r - l + 1) + l;}
int cc(ll n) {
if (n == 0) return 0;
if (n % 2 == 1) return cc(n / 2) + 1;
return cc(n - 1) + 1;
}
vector <int> solve(ll n) {
if (n == 0) return vector <int> {};
if (n % 2 == 1) {
vector <int> ans = solve(n / 2);
int t = ans.size();
ans.push_back(t);
return ans;
}
vector <int> ans = solve(n - 1);
// int t = ans.size();
for (int& i: ans) i++;
ans.push_back(0);
return ans;
}
// ll dp[1010];
ll t[1010];
int len;
void modify(int x, ll y) {
for (; x <= len; x += x & -x) t[x] += y;
}
ll query(int x) {
ll s = 0;
for (; x; x ^= x & -x) s += t[x];
return s;
}
ll calc(vector <int> x) {
len = SZ(x);
F(i, 1, len) t[i] = 0;
ll s = 0;
F(i, 0, SZ(x)) {
ll w = 1 + query(x[i]);
// F(j, 0, i - 1) {
// if (x[j] < x[i]) {
// dp[i] += dp[j];
// }
// }
s += w;
modify(x[i] + 1, w);
}
return s;
}
std::vector<int> construct_permutation(ll 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, 7) {
vector <int> t(i);
F(j, 1, i) t[j - 1] = j - 1;
// lim = min(500, lim * i);
do {
// F(j, 1, lim) {
shuffle(all(t), mrand);
ll 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);
if (ans.size() <= T) break;
}
}
// }
} while (next_permutation(all(t)));
// if (ans.size() <= T) break;
}
return ans;
}
Details
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Subtask #1:
score: 10
Accepted
Test #1:
score: 10
Accepted
time: 52ms
memory: 3960kb
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 1 3 0 3 0 1 2 4 1 2 3 0 4 1 2 0 3 5 2 3 1 4 0 4 1 0 2 3 5 2 1 3 4 0 5 2 1 3 0 4 5 1 0 4 2 3 4 0 1 2 3 5 1 2 3 4 0 5 1 2 3 0 4 6 2 3 4 1 5 0 5 1 2 0 3 4 6 2 3 1 4 5 0 6 2 3 1 4 0 5 6 1 2 4 0 5 3 5 1 0 2 3 4 6 2 1 3 4 5 0 6 2 ...
result:
ok
Subtask #2:
score: 81.3333
Acceptable Answer
Test #2:
score: 90
Accepted
time: 79ms
memory: 3992kb
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 22 7 8 9 6 10 5 11 4 12 13 14 15 16 3 17 2 18 1 19 20 21 0 25 9 10 8 11 12 13 7 14 6 15 5 16 17 4 18 3 19 20 21 2 22 1 23 24 0 22 7 8 6 9 5 10 4 11 3 12 2 13 14 15 16 17 18 19 1 20 21 0 22 8 7 9 10 11 12 6 13 5 14 15 16 4 17 18 3 19 2 20 1 21 0 16 3 2 4 1 5 0 ...
result:
ok
Test #3:
score: 90
Accepted
time: 81ms
memory: 3996kb
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 29 31 28 32 27 33 26 34 25 35 24 36 23 37 22 38 21 39 20 40 19 41 18 42 17 43 16 44 15 45 14 46 13 47 12 48 11 49 10 50 9 51 8 52 7 53 6 54 5 55 4 56 3 57 2 58 1 59 0 58 29 28 30 27 31 26 32 25 33 24 34 23 35 22 36 21 37 20 38 19 39 18 40 17 41 16 42 15 ...
result:
ok
Test #4:
score: 81.3333
Acceptable Answer
time: 115ms
memory: 4000kb
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 57 59 56 60 55 61 54 62 53 63 52 64 51 65 50 66 49 67 48 68 47 69 46 70 45 71 44 72 43 73 42 74 41 75 40 76 39 77 38 78 37 79 36 80 35 81 34 82 33 83 32 84 31 85 30 86 29 87 28 88 27 89 26 90 25 91 24 92 23 93 22 94 21 95 20 96 19 97 18 98 17 99 16 100 ...
result:
points 0.90370370370
Test #5:
score: 90
Accepted
time: 120ms
memory: 3828kb
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 58 20 21 22 19 23 18 24 17 25 26 27 16 28 29 15 30 31 14 32 13 33 34 35 12 36 37 11 38 39 10 40 41 42 9 43 8 44 7 45 6 46 47 48 49 5 50 51 4 52 3 53 2 54 1 55 56 57 0 54 17 18 16 19 15 20 21 14 22 13 23 12 24 11 25 10 26 9 27 8 28 29 7 30 31 6 32 33 34 5 35 36...
result:
ok
Test #6:
score: 90
Accepted
time: 139ms
memory: 4036kb
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 65 17 18 19 16 20 21 15 22 14 23 24 25 26 27 13 28 12 29 30 31 32 33 34 11 35 10 36 37 38 39 40 9 41 42 8 43 7 44 45 46 6 47 5 48 49 4 50 51 3 52 2 53 54 55 56 57 58 59 60 61 1 62 63 64 0 69 20 21 22 23 24 25 26 19 27 18 28 29 17 30 31 32 33 34 35 16 36 37 15 ...
result:
ok
Test #7:
score: 87.6667
Acceptable Answer
time: 155ms
memory: 3792kb
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 79 26 27 28 29 25 30 31 24 32 23 33 34 22 35 21 36 37 38 20 39 40 41 42 43 19 44 45 46 18 47 48 17 49 16 50 15 51 14 52 53 13 54 12 55 11 56 57 58 59 60 10 61 62 9 63 64 65 8 66 7 67 6 68 5 69 4 70 71 3 72 73 74 2 75 1 76 77 78 0 92 33 34 32 35 31 36 37 38 39 ...
result:
points 0.97407407410
Test #8:
score: 90
Accepted
time: 141ms
memory: 3828kb
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: 87
Acceptable Answer
time: 166ms
memory: 3848kb
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 96 37 36 38 39 35 40 34 41 33 42 32 43 44 45 46 47 48 31 49 50 30 51 29 52 53 28 54 27 55 56 26 57 58 25 59 24 60 61 62 23 63 22 64 21 65 66 20 67 68 69 19 70 18 71 17 72 73 16 74 15 75 76 77 78 14 79 13 80 12 81 11 82 10 83 9 84 8 85 7 86 6 87 5 88 4 89 90 91...
result:
points 0.96666666670
Test #10:
score: 87
Acceptable Answer
time: 145ms
memory: 3880kb
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 85 27 28 29 26 30 31 25 32 33 34 35 36 37 38 39 40 41 42 24 43 44 45 23 46 22 47 48 21 49 50 20 51 52 19 53 54 55 56 18 57 58 59 17 60 16 61 15 62 14 63 64 13 65 12 66 67 11 68 10 69 70 9 71 8 72 7 73 6 74 5 75 76 4 77 78 79 80 3 81 2 82 1 83 84 0 87 29 30 31 ...
result:
points 0.96666666670
Test #11:
score: 89.3333
Acceptable Answer
time: 145ms
memory: 3800kb
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 71 18 19 17 20 21 22 23 24 25 26 27 28 29 30 16 31 32 15 33 14 34 13 35 36 12 37 11 38 39 40 41 42 43 10 44 45 46 47 48 9 49 8 50 7 51 52 53 6 54 5 55 56 57 58 4 59 60 3 61 62 63 2 64 1 65 66 0 67 68 69 70 65 24 23 25 26 22 27 21 28 29 20 30 19 31 18 32 17 33 ...
result:
points 0.99259259260
Test #12:
score: 82
Acceptable Answer
time: 159ms
memory: 3820kb
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 90 32 31 33 34 35 36 30 37 29 38 28 39 27 40 26 41 25 42 24 43 44 23 45 22 46 21 47 48 20 49 50 19 51 18 52 53 17 54 55 56 16 57 15 58 14 59 60 13 61 62 63 64 12 65 66 11 67 68 10 69 9 70 71 8 72 73 7 74 75 6 76 77 5 78 79 4 80 81 82 83 3 84 2 85 1 86 87 88 0 ...
result:
points 0.91111111110