#include <bits/stdc++.h>
using namespace std;
int main()
{
cin.tie(0)->sync_with_stdio(0);
int n, K; cin >> n >> K;
vector<int> a(n);
for (int i = 0; i < n; i++)
cin >> a[i];
priority_queue<pair<int, int>> pq;
for (int i = 0; i < n; i++)
pq.emplace(a[i], i);
vector<vector<int>> ans;
while (pq.size())
{
vector<pair<int, int>> res;
for (int i = 0; i < K; i++)
{
if (pq.empty())
{
cout << -1 << '\n';
return 0;
}
auto x = pq.top();
pq.pop();
x.first--;
res.push_back(x);
}
ans.emplace_back();
for (int i = 0; i < K; i++)
{
ans.back().push_back(res[i].second);
if (res[i].first > 0)
pq.push(res[i]);
}
}
cout << ans.size() << '\n';
for (auto &vec : ans)
{
cout << 1 << ' ';
for (int j = 0; j < K; j++)
cout << vec[j] + 1 << " \n"[j == K - 1];
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
n=4 |
2 |
Correct |
0 ms |
348 KB |
n=3 |
3 |
Correct |
1 ms |
348 KB |
n=3 |
4 |
Correct |
0 ms |
348 KB |
n=4 |
5 |
Correct |
1 ms |
504 KB |
n=4 |
6 |
Correct |
0 ms |
348 KB |
n=2 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
n=4 |
2 |
Correct |
0 ms |
348 KB |
n=3 |
3 |
Correct |
1 ms |
348 KB |
n=3 |
4 |
Correct |
0 ms |
348 KB |
n=4 |
5 |
Correct |
1 ms |
504 KB |
n=4 |
6 |
Correct |
0 ms |
348 KB |
n=2 |
7 |
Correct |
0 ms |
344 KB |
n=5 |
8 |
Correct |
2 ms |
920 KB |
n=8 |
9 |
Correct |
5 ms |
1176 KB |
n=14 |
10 |
Correct |
3 ms |
1116 KB |
n=11 |
11 |
Correct |
25 ms |
4436 KB |
n=50000 |
12 |
Correct |
25 ms |
4364 KB |
n=50000 |
13 |
Correct |
17 ms |
3344 KB |
n=10 |
14 |
Correct |
19 ms |
3088 KB |
n=685 |
15 |
Correct |
26 ms |
3332 KB |
n=623 |
16 |
Correct |
12 ms |
2068 KB |
n=973 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
n=4 |
2 |
Correct |
0 ms |
348 KB |
n=3 |
3 |
Correct |
1 ms |
348 KB |
n=3 |
4 |
Correct |
0 ms |
348 KB |
n=4 |
5 |
Correct |
1 ms |
504 KB |
n=4 |
6 |
Correct |
0 ms |
348 KB |
n=2 |
7 |
Correct |
0 ms |
344 KB |
n=5 |
8 |
Correct |
2 ms |
920 KB |
n=8 |
9 |
Correct |
5 ms |
1176 KB |
n=14 |
10 |
Correct |
3 ms |
1116 KB |
n=11 |
11 |
Correct |
25 ms |
4436 KB |
n=50000 |
12 |
Correct |
25 ms |
4364 KB |
n=50000 |
13 |
Correct |
17 ms |
3344 KB |
n=10 |
14 |
Correct |
19 ms |
3088 KB |
n=685 |
15 |
Correct |
26 ms |
3332 KB |
n=623 |
16 |
Correct |
12 ms |
2068 KB |
n=973 |
17 |
Correct |
20 ms |
2568 KB |
n=989 |
18 |
Correct |
9 ms |
1116 KB |
n=563 |
19 |
Correct |
14 ms |
1564 KB |
n=592 |
20 |
Correct |
19 ms |
1464 KB |
n=938 |
21 |
Correct |
12 ms |
1372 KB |
n=747 |
22 |
Correct |
13 ms |
1372 KB |
n=991 |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
329 ms |
66828 KB |
Jury has the answer but participant has not |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
n=4 |
2 |
Correct |
0 ms |
348 KB |
n=3 |
3 |
Correct |
1 ms |
348 KB |
n=3 |
4 |
Correct |
0 ms |
348 KB |
n=4 |
5 |
Correct |
1 ms |
504 KB |
n=4 |
6 |
Correct |
0 ms |
348 KB |
n=2 |
7 |
Correct |
0 ms |
344 KB |
n=5 |
8 |
Correct |
2 ms |
920 KB |
n=8 |
9 |
Correct |
5 ms |
1176 KB |
n=14 |
10 |
Correct |
3 ms |
1116 KB |
n=11 |
11 |
Correct |
25 ms |
4436 KB |
n=50000 |
12 |
Correct |
25 ms |
4364 KB |
n=50000 |
13 |
Correct |
17 ms |
3344 KB |
n=10 |
14 |
Correct |
19 ms |
3088 KB |
n=685 |
15 |
Correct |
26 ms |
3332 KB |
n=623 |
16 |
Correct |
12 ms |
2068 KB |
n=973 |
17 |
Correct |
20 ms |
2568 KB |
n=989 |
18 |
Correct |
9 ms |
1116 KB |
n=563 |
19 |
Correct |
14 ms |
1564 KB |
n=592 |
20 |
Correct |
19 ms |
1464 KB |
n=938 |
21 |
Correct |
12 ms |
1372 KB |
n=747 |
22 |
Correct |
13 ms |
1372 KB |
n=991 |
23 |
Incorrect |
329 ms |
66828 KB |
Jury has the answer but participant has not |
24 |
Halted |
0 ms |
0 KB |
- |