#include <bits/stdc++.h>
// #define int long long
#define fi first
#define se second
using namespace std;
int32_t main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, d, m;
cin >> n >> d >> m;
vector<int> a(m);
for (int i = 0; i < m; i++) cin >> a[i];
vector<int> ord(m);
iota(ord.begin(), ord.end(), 0);
sort(ord.begin(), ord.end(), [&](int x, int y) {
return a[x] < a[y];
});
int lf = 1, rg = m, ans = -1;
while (lf <= rg) {
int md = (lf + rg) / 2;
int p = 1, c = 0, ok = 1;
for (int i = 0; i < m; i++) {
while (p < a[ord[i]]) {
p += 1;
c = 0;
}
if (c == md) {
p += 1;
c = 0;
}
if (p > a[ord[i]] + d) {
ok = 0;
break;
}
c += 1;
}
if (ok && p <= n) {
ans = md;
rg = md - 1;
} else {
lf = md + 1;
}
}
int p = 1, c = 0;
vector<vector<int>> v(n + 1);
for (int i = 0; i < m; i++) {
while (p < a[ord[i]]) {
p += 1;
c = 0;
}
if (c == ans) {
p += 1;
c = 0;
}
v[p].push_back(ord[i]);
c += 1;
}
cout << ans << '\n';
for (int i = 1; i <= n; i++) {
for (auto j : v[i]) {
cout << j + 1 << " ";
}
cout << 0 << '\n';
}
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
12 ms |
2396 KB |
Output is correct |
2 |
Correct |
11 ms |
2392 KB |
Output is correct |
3 |
Correct |
11 ms |
2396 KB |
Output is correct |
4 |
Correct |
11 ms |
2392 KB |
Output is correct |
5 |
Correct |
12 ms |
2396 KB |
Output is correct |
6 |
Correct |
12 ms |
2392 KB |
Output is correct |
7 |
Correct |
13 ms |
2392 KB |
Output is correct |
8 |
Correct |
12 ms |
2528 KB |
Output is correct |
9 |
Correct |
20 ms |
4700 KB |
Output is correct |
10 |
Correct |
25 ms |
4740 KB |
Output is correct |
11 |
Correct |
16 ms |
2136 KB |
Output is correct |
12 |
Correct |
37 ms |
4316 KB |
Output is correct |
13 |
Correct |
56 ms |
6736 KB |
Output is correct |
14 |
Correct |
81 ms |
9040 KB |
Output is correct |
15 |
Correct |
99 ms |
9812 KB |
Output is correct |
16 |
Correct |
116 ms |
12040 KB |
Output is correct |
17 |
Correct |
137 ms |
15912 KB |
Output is correct |
18 |
Correct |
194 ms |
16376 KB |
Output is correct |
19 |
Correct |
186 ms |
20112 KB |
Output is correct |
20 |
Correct |
152 ms |
15960 KB |
Output is correct |