#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define gibon ios::sync_with_stdio(false); cin.tie(0);
#define fi first
#define se second
#define pdd pair<long double, long double>
#define pii pair<int, int>
#define pll pair<ll, ll>
#define ppi pair<pii, pii>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
typedef long long ll;
using namespace std;
const int mxN=3003;
const int mxM=10004;
const int MOD=1e9+7;
const ll INF=8e18;
int dx[4]={1, 0, -1, 0}, dy[4]={0, 1, 0, -1};
int N, M, K;
int A[mxN], B[mxN];
int cnt[mxN], S[mxN];
pii dp[mxN][mxN];
int ans;
void solv(vector <int> v)
{
cout << v.size() << '\n';
priority_queue <pii> pq;
for(int i=1;i<=N;i++) pq.emplace(A[i], i);
for(int x : v)
{
cout << B[x] << " ";
vector <pii> tmp;
for(int i=0;i<B[x];i++)
{
tmp.push_back(pq.top());
pq.pop();
}
for(auto [a, b] : tmp) cout << b << " ";
cout << '\n';
for(auto [a, b] : tmp) if(a!=1) pq.emplace(a-1, b);
}
}
int main()
{
gibon
cin >> N;
for(int i=1;i<=N;i++) cin >> A[i], K+=A[i];
for(int i=1;i<=N;i++) for(int j=1;j<=A[i];j++) cnt[j]++;
for(int i=1;i<=K;i++) S[i]=S[i-1]+cnt[i];
cin >> M;
for(int i=1;i<=M;i++) cin >> B[i];
dp[0][0]=pii(M, 0);
int idx=M;
for(int i=0;i<K/B[1];i++)
{
while(i>=K/B[idx]) idx--;
for(int j=0;j<=S[i];j++) if(dp[i][j].fi!=0)
{
for(int k=idx;k>=1;k--)
{
if(j+B[k]<=S[i+1])
{
dp[i+1][j+B[k]]=max(dp[i+1][j+B[k]], pii(k, j));
break;
}
}
}
//for(int j=0;j<=K;j++) printf("dp[%d][%d]=(%d, %d)\n", i, j, dp[i][j].fi, dp[i][j].se);
if(dp[i+1][K].fi!=0)
{
ans=i+1;
break;
}
}
if(ans==0)
{
cout << -1;
return 0;
}
vector <int> v;
int cur=K;
for(int i=ans;i>=1;i--)
{
v.push_back(dp[i][cur].fi);
cur=dp[i][cur].se;
}
solv(v);
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
2 ms |
2260 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
2 ms |
2388 KB |
Output is correct |
9 |
Correct |
13 ms |
12500 KB |
Output is correct |
10 |
Runtime error |
2 ms |
468 KB |
Execution killed with signal 11 |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
8 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
7 |
Halted |
0 ms |
0 KB |
- |