QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#716951 | #8529. Balance of Permutation | ucup-team4992 | AC ✓ | 1018ms | 6108kb | C++14 | 3.3kb | 2024-11-06 16:28:01 | 2024-11-06 16:28:01 |
Judging History
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;
}
Details
Tip: Click on the bar to expand more detailed information
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