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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
#716951#8529. Balance of Permutationucup-team4992AC ✓1018ms6108kbC++143.3kb2024-11-06 16:28:012024-11-06 16:28:01

Judging History

你现在查看的是最新测评结果

  • [2024-11-06 16:28:01]
  • 评测
  • 测评结果:AC
  • 用时:1018ms
  • 内存:6108kb
  • [2024-11-06 16:28:01]
  • 提交

answer

#include <bits/stdc++.h>
#pragma optimize(2)
using namespace std;
using i128 = __int128;
using i64 = long long;
using pii = pair<int, int>;
void read(i128& x) {
    char ch = getchar();
    while (isspace(ch))
        ch = getchar();
    x = 0;
    while (isdigit(ch)) {
        x = x * 10 + ch - '0';
        ch = getchar();
    }
}
void write(i128 x) {
    string s;
    do {
        s += char('0' + x % 10);
        x /= 10;
    } while (x);
    reverse(s.begin(), s.end());
    cout << s << '\n';
}
const int ZERO = 1000;
i128 dp[40][2030], ndp[40][2030];
int main() {
    double prev = clock();
    int n, b;
    i128 k;
    cin >> n >> b;
    read(k);
    vector<int> ans(n + 5), usd(n + 5);
    auto try_use = [&](int p, int q) {
        int suma = 0, sumb = 0;
        vector<pii> lst;
        for (int i = p + 1; i <= n; i++) {
            suma += i;
            lst.push_back({i, 0});
        }
        for (int i = 1; i <= n; i++) {
            if (!usd[i] && i != q) {
                sumb += i;
                lst.push_back({i, 1});
            }
        }
        const int msum = max(suma, sumb);
        sort(lst.begin(), lst.end());
        // for (auto [x, y] : lst) {
        //     cout << x << ' ';
        // }
        // cout << '\n';
        for (int i = 0; i <= n - p; i++)
            for (int s = -msum; s <= msum; s++)
                dp[i][ZERO + s] = 0;
        dp[0][ZERO] = 1;
        int cnta = 0, cntb = 0;
        for (auto [x, tx] : lst) {
            for (int i = 0; i <= n - p; i++)
                for (int s = -msum; s <= msum; s++)
                    ndp[i][ZERO + s] = 0;
            for (int i = 0; i <= n - p; i++)
                for (int s = -msum; s <= msum; s++) {
                    if (tx == 0) {
                        if (s - x >= -msum) ndp[i][ZERO + s - x] += dp[i][ZERO + s];
                        if (cntb - i > 0) ndp[i + 1][ZERO + s + x] += (cntb - i) * dp[i][ZERO + s];
                    } else {
                        if (s - x >= -msum) ndp[i][ZERO + s - x] += dp[i][ZERO + s];
                        if (cnta - i > 0) ndp[i + 1][ZERO + s + x] += (cnta - i) * dp[i][ZERO + s];
                    }
                }
            if (tx == 0)
                cnta++;
            else
                cntb++;
            for (int i = 0; i <= n - p; i++)
                for (int s = -msum; s <= msum; s++)
                    dp[i][ZERO + s] = ndp[i][ZERO + s];
        }
        // for (int i = -msum; i <= msum; i++) {
        //     cout << i64(dp[0][0][ZERO + i]) << ' ';
        // }
        // cout << '\n';
        return dp[n - p][ZERO + b - abs(p - q)];
    };
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++)
            if (!usd[j]) {
                auto res = try_use(i, j);
                // write(res);
                if (res < k)
                    k -= res;
                else {
                    ans[i] = j;
                    usd[j] = 1;
                    b -= abs(i - j);
                    break;
                }
            }
    }
    for (int i = 1; i <= n; i++)
        cout << ans[i] << " ";
    double cur = clock();
    // cout << "time=" << (cur - prev) / CLOCKS_PER_SEC << '\n';
    return 0;
}

详细

Test #1:

score: 100
Accepted
time: 0ms
memory: 3940kb

input:

6 6 6

output:

1 2 6 3 4 5 

result:

ok 6 numbers

Test #2:

score: 0
Accepted
time: 373ms
memory: 4984kb

input:

30 300 3030303030303030303030

output:

1 2 3 4 9 23 20 28 24 16 21 17 27 29 8 26 25 30 19 18 22 12 7 13 6 10 5 15 14 11 

result:

ok 30 numbers

Test #3:

score: 0
Accepted
time: 0ms
memory: 3540kb

input:

1 0 1

output:

1 

result:

ok 1 number(s): "1"

Test #4:

score: 0
Accepted
time: 0ms
memory: 3616kb

input:

2 0 1

output:

1 2 

result:

ok 2 number(s): "1 2"

Test #5:

score: 0
Accepted
time: 0ms
memory: 3612kb

input:

2 2 1

output:

2 1 

result:

ok 2 number(s): "2 1"

Test #6:

score: 0
Accepted
time: 1ms
memory: 5944kb

input:

5 8 3

output:

1 5 4 2 3 

result:

ok 5 number(s): "1 5 4 2 3"

Test #7:

score: 0
Accepted
time: 1ms
memory: 5756kb

input:

7 20 100

output:

3 6 7 4 1 5 2 

result:

ok 7 numbers

Test #8:

score: 0
Accepted
time: 0ms
memory: 3744kb

input:

7 2 6

output:

2 1 3 4 5 6 7 

result:

ok 7 numbers

Test #9:

score: 0
Accepted
time: 0ms
memory: 3728kb

input:

7 24 1

output:

4 5 6 7 1 2 3 

result:

ok 7 numbers

Test #10:

score: 0
Accepted
time: 0ms
memory: 3948kb

input:

7 22 360

output:

7 6 4 3 5 2 1 

result:

ok 7 numbers

Test #11:

score: 0
Accepted
time: 0ms
memory: 3748kb

input:

7 20 358

output:

5 7 2 4 6 3 1 

result:

ok 7 numbers

Test #12:

score: 0
Accepted
time: 1ms
memory: 3772kb

input:

10 48 10001

output:

7 5 8 9 6 10 3 4 1 2 

result:

ok 10 numbers

Test #13:

score: 0
Accepted
time: 1ms
memory: 3992kb

input:

10 42 10101

output:

3 9 6 8 10 5 7 2 1 4 

result:

ok 10 numbers

Test #14:

score: 0
Accepted
time: 202ms
memory: 5808kb

input:

25 300 1

output:

7 14 15 16 17 18 19 20 21 22 23 24 25 1 2 3 4 5 6 8 9 10 11 12 13 

result:

ok 25 numbers

Test #15:

score: 0
Accepted
time: 342ms
memory: 6108kb

input:

25 300 283788388040048639877

output:

25 24 23 22 21 20 19 18 17 16 11 12 13 14 15 10 9 8 7 5 6 4 2 1 3 

result:

ok 25 numbers

Test #16:

score: 0
Accepted
time: 335ms
memory: 4460kb

input:

26 302 105773752969551707419545

output:

19 22 25 13 17 18 23 20 10 26 16 6 5 11 14 12 24 4 3 21 1 15 7 8 2 9 

result:

ok 26 numbers

Test #17:

score: 0
Accepted
time: 364ms
memory: 4536kb

input:

27 308 8781128321749037280676555

output:

16 18 17 21 25 6 20 24 22 15 27 5 7 8 2 9 26 13 1 3 14 10 23 19 4 11 12 

result:

ok 27 numbers

Test #18:

score: 0
Accepted
time: 389ms
memory: 4816kb

input:

28 304 806517199954337651602356955

output:

12 17 5 16 23 26 25 15 20 2 19 7 22 24 6 13 11 10 28 8 1 21 18 14 27 3 4 9 

result:

ok 28 numbers

Test #19:

score: 0
Accepted
time: 518ms
memory: 4600kb

input:

29 322 40281026669581503094652149519

output:

16 21 10 25 17 29 9 28 2 8 26 27 22 4 3 5 18 14 19 1 23 20 15 11 13 7 6 12 24 

result:

ok 29 numbers

Test #20:

score: 0
Accepted
time: 807ms
memory: 5968kb

input:

30 400 46479902466857426153849991132

output:

25 19 30 29 9 20 26 21 14 27 28 10 22 11 24 2 7 4 18 17 5 13 12 6 8 1 15 23 16 3 

result:

ok 30 numbers

Test #21:

score: 0
Accepted
time: 689ms
memory: 4656kb

input:

30 450 1140008168482799670544355

output:

26 16 17 18 19 20 21 22 23 24 25 27 28 29 30 1 2 3 5 9 4 8 14 10 6 11 12 15 7 13 

result:

ok 30 numbers

Test #22:

score: 0
Accepted
time: 233ms
memory: 5928kb

input:

30 150 480087379811286955791425915

output:

7 4 8 5 16 3 1 12 13 11 9 10 15 25 18 17 20 30 28 2 6 14 23 21 24 26 27 22 19 29 

result:

ok 30 numbers

Test #23:

score: 0
Accepted
time: 240ms
memory: 4772kb

input:

30 150 480087379811286955791439470

output:

7 4 8 5 16 3 1 12 13 11 9 10 15 25 18 17 20 30 28 2 19 6 22 24 21 23 26 14 29 27 

result:

ok 30 numbers

Test #24:

score: 0
Accepted
time: 793ms
memory: 4792kb

input:

30 440 41509275104334759322587324

output:

22 23 20 24 18 30 19 26 21 28 4 29 17 25 27 16 3 1 2 5 8 13 10 15 7 12 9 14 11 6 

result:

ok 30 numbers

Test #25:

score: 0
Accepted
time: 692ms
memory: 4660kb

input:

30 450 1140008168482800727111311

output:

26 16 17 18 19 20 21 22 23 24 25 27 28 29 30 1 2 5 7 14 4 15 8 11 3 13 10 9 6 12 

result:

ok 30 numbers

Test #26:

score: 0
Accepted
time: 804ms
memory: 4828kb

input:

30 400 52289890275214604423031772929

output:

26 27 29 21 28 16 18 11 2 25 24 23 6 30 20 13 17 10 15 4 9 12 8 22 19 1 5 7 3 14 

result:

ok 30 numbers

Test #27:

score: 0
Accepted
time: 44ms
memory: 4828kb

input:

30 0 1

output:

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 

result:

ok 30 numbers

Test #28:

score: 0
Accepted
time: 632ms
memory: 4928kb

input:

30 450 1

output:

16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 

result:

ok 30 numbers

Test #29:

score: 0
Accepted
time: 1018ms
memory: 4988kb

input:

30 450 1710012252724199424000000

output:

30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 

result:

ok 30 numbers

Test #30:

score: 0
Accepted
time: 912ms
memory: 4724kb

input:

30 450 1692383260428073656742269

output:

30 27 26 28 18 29 21 19 25 17 20 16 24 22 23 7 13 4 6 3 5 12 1 15 14 9 11 8 2 10 

result:

ok 30 numbers

Test #31:

score: 0
Accepted
time: 813ms
memory: 4788kb

input:

30 302 5918364042599361729860937331200

output:

30 29 28 27 26 25 14 8 9 10 11 12 13 7 15 16 17 18 19 20 21 22 23 24 6 5 4 3 2 1 

result:

ok 30 numbers

Test #32:

score: 0
Accepted
time: 415ms
memory: 4784kb

input:

30 254 2256781660157136563723839089600

output:

25 2 3 12 7 16 19 8 22 6 11 17 27 26 10 24 15 21 20 18 28 9 30 23 14 13 5 29 4 1 

result:

ok 30 numbers

Test #33:

score: 0
Accepted
time: 868ms
memory: 6024kb

input:

30 448 3131906441000512625049600

output:

23 20 28 18 26 30 19 29 27 22 17 24 21 25 2 13 16 15 14 12 11 10 9 8 7 6 5 4 3 1 

result:

ok 30 numbers

Test #34:

score: 0
Accepted
time: 46ms
memory: 4656kb

input:

30 2 20

output:

1 2 3 4 5 6 7 8 9 11 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 

result:

ok 30 numbers

Test #35:

score: 0
Accepted
time: 49ms
memory: 4984kb

input:

30 2 29

output:

2 1 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 

result:

ok 30 numbers

Extra Test:

score: 0
Extra Test Passed