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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#472934 | #8517. Interesting Paths | GenshinImpactsFault# | WA | 0ms | 11804kb | C++14 | 2.4kb | 2024-07-11 20:27:43 | 2024-07-11 20:27:44 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
const int N = 35;
int n, b, mxb;
__int128 m;
bool used[N];
__int128 f[N][N * N * 2][N];
int a[N], cur_cnt = 0, cur_b = 0;
void read(__int128 &x) {
x = 0; char c = getchar();
for(; c < '0' || c > '9'; c = getchar());
for(; c >= '0' && c <= '9'; c = getchar())
x = x * 10 + (c - '0');
}
void print(__int128 x) {
if(x > 9) print(x / 10);
putchar(x % 10 + '0');
}
__int128 calc(int x, int cnt, int bb) {
for(int i = x; i <= n; i++)
for(int j = N * N - mxb; j <= N * N + mxb; j++)
for(int k = 0; k <= n + 1; k++)
f[i][j][k] = 0;
f[x][N * N + bb][cnt] = 1;
int tmp = cnt;
for(int i = x + 1; i <= n; i++)
for(int j = N * N - mxb; j <= N * N + mxb; j++)
for(int k = 0; k <= n; k++) {
if(!used[i]) {
f[i][j][k] += f[i - 1][j][k];
if(k) f[i][j][k] += f[i - 1][j + 2 * i][k - 1];
if(k) f[i][j][k] += k * f[i - 1][j][k];
if(k + 1 > tmp) f[i][j][k] += (k - tmp + 1) * (k + 1) * f[i - 1][j - 2 * i][k + 1];
}
else {
if(k) f[i][j][k] += f[i - 1][j][k - 1];
f[i][j][k] += (k + 1) * f[i - 1][j - 2 * i][k + 1];
--tmp;
}
// if(f[i][j][k] != 0) {
// cout << ">>> " << i << " " << j - N * N << " " << k << " : ";
// print(f[i][j][k]);
// cout << "\n";
// }
}
for(int i = 1; i <= n; i++) cout << a[i] << " ";
cout << "\n";
cout << "### " << x << " " << bb << " " << cnt << " : ";
print(f[n][N * N + b][0]);
cout << "\n";
return f[n][N * N + b][0];
}
int main() {
// ios::sync_with_stdio(0); cin.tie(nullptr);
cin >> n >> b; read(m);
for(int i = 1; i <= n; i++) mxb += abs(n - i + 1 - i);
// mxb = n * n;
for(int i = 1; i <= n; i++) {
for(int j = 1; j <= n; j++) {
if(used[j]) continue;
used[j] = 1, a[i] = j;
int nxt_cnt = 0;
for(int k = 1; k <= i; k++)
if(!used[k]) ++nxt_cnt;
int nxt_b = cur_b;
if(j > i) {
nxt_b += -i;
}
if(j < i) {
nxt_b += i;
}
bool flag = 0;
for(int k = 1; k < i; k++) {
if(a[k] == i) flag = 1;
}
if(flag) nxt_b += i;
else if(a[i] != i) nxt_b -= i;
__int128 rem = calc(i, nxt_cnt, nxt_b);
if(rem >= m) {
cur_cnt = nxt_cnt;
cur_b = nxt_b;
break;
}
else {
used[j] = 0;
m -= rem;
}
}
}
for(int i = 1; i <= n; i++) cout << a[i] << " ";
cout << "\n";
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 11804kb
input:
5 7 1 3 3 5 1 2 2 3 3 4 4 5 2 4
output:
1 0 0 0 0 ### 1 0 0 : 0 2 0 0 0 0 ### 1 -2 1 : 0 3 0 0 0 0 ### 1 -2 1 : 0 4 0 0 0 0 ### 1 -2 1 : 0 5 0 0 0 0 ### 1 -2 1 : 0 5 1 0 0 0 ### 2 0 1 : 0 5 2 0 0 0 ### 2 0 1 : 0 5 3 0 0 0 ### 2 -4 2 : 0 5 4 0 0 0 ### 2 -4 2 : 0 5 5 0 0 0 ### 2 -4 2 : 0 5 5 1 0 0 ### 3 0 2 : 0 5 5 2 0 0 ### 3 0...
result:
wrong answer 1st numbers differ - expected: '4', found: '1'