#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
/*
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("-O3")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
*/
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define fast_io ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define fs first.first
#define sc first.second
#define tr second
#define getfiles ifstream cin("input.txt"); ofstream cout("output.txt");
#define endl '\n'
#define pii pair<int, int>
#define tri pair< pair<int, int>, int >
#define mt(x, y, z) make_pair(make_pair(x, y), z)
const int INF = 2000000005;
const ll BIG_INF = 2000000000000000005;
const int mod = 1000000007;
const int P = 31;
const ld PI = 3.141592653589793238462643;
const double eps = 1e-9;
using namespace std;
using namespace __gnu_pbds;
bool valid(int x, int y, int n, int m) {
return x >= 0 && y >= 0 && x < n && y < m;
}
mt19937 rng(1999999973);
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
signed main() {
fast_io;
int tests;
cin >> tests;
while(tests--) {
int n, q;
cin >> n >> q;
if (q == 0) {
cout << -1 << endl;
continue;
}
vector<int> p(q, 0), block(q + 2, 0);
for (int i = 0; i < q; i++)
cin >> p[i];
block[0] = p[0] - 1;
for (int i = 1; i < q; i++) {
block[i] = p[i] - p[i - 1] - 1;
}
block[q] = n - p[q - 1];
vector< vector< vector<tri> > > dp(q + 1);
for (int i = 0; i <= q; i++) {
dp[i].resize(block[i] + 1, vector<tri>(2, mt(-1, -1, -1)));
}
dp[0][block[0]][0] = mt(INF, INF, 0);
for (int i = 0; i < q; i++) {
for (int j = block[i]; j >= 0; j--) {
for (int k = 0; k < 2; k++) {
if (dp[i][j][k] == mt(-1, -1, -1))
continue;
if (j > 2)
dp[i][j - 2][k] = mt(i, j, k);
if (j == 2 && k == 1)
dp[i][j - 2][k] = mt(i, j, k);
if (j <= block[i + 1])
dp[i + 1][block[i + 1] - j][j != 0] = mt(i, j, k);
}
}
}
if (dp[q][0][0] == mt(-1, -1, -1) && dp[q][0][1] == mt(-1, -1, -1)) {
cout << -1 << endl;
continue;
}
cout << (n - q) / 2 << endl;
for (int i = 0; i < (n - q) / 2; i++)
cout << 1 << " ";
cout << endl;
}
return 0;
}
/*
1
10 4
1 2 5 10
1100100001
*/
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
3 |
Incorrect |
12 ms |
492 KB |
Output isn't correct |
4 |
Incorrect |
13 ms |
376 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
29 ms |
748 KB |
Output isn't correct |
2 |
Incorrect |
24 ms |
5004 KB |
Output isn't correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
3 |
Incorrect |
12 ms |
492 KB |
Output isn't correct |
4 |
Incorrect |
13 ms |
376 KB |
Output isn't correct |
5 |
Incorrect |
10 ms |
376 KB |
Output isn't correct |
6 |
Correct |
6 ms |
376 KB |
Output is partially correct |
7 |
Correct |
5 ms |
376 KB |
Output is partially correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Incorrect |
3 ms |
376 KB |
Output isn't correct |
3 |
Incorrect |
12 ms |
492 KB |
Output isn't correct |
4 |
Incorrect |
13 ms |
376 KB |
Output isn't correct |
5 |
Incorrect |
10 ms |
376 KB |
Output isn't correct |
6 |
Correct |
6 ms |
376 KB |
Output is partially correct |
7 |
Correct |
5 ms |
376 KB |
Output is partially correct |
8 |
Incorrect |
37 ms |
5660 KB |
Output isn't correct |
9 |
Incorrect |
34 ms |
5880 KB |
Output isn't correct |
10 |
Incorrect |
37 ms |
5496 KB |
Output isn't correct |
11 |
Correct |
43 ms |
7416 KB |
Output is partially correct |