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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#407820 | #4252. Permutation | zhaohaikun# | 0 | 81ms | 3988kb | C++20 | 2.8kb | 2024-05-09 11:40:37 | 2024-05-09 11:40:39 |
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()) {
assert(false);
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;
}
详细
Subtask #1:
score: 0
Runtime Error
Test #1:
score: 0
Runtime Error
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:
Unauthorized output
result:
Subtask #2:
score: 0
Runtime Error
Test #2:
score: 90
Accepted
time: 81ms
memory: 3988kb
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: 0
Runtime Error
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:
Unauthorized output