#include <bits/stdc++.h>
using namespace std;
bool check(vector<int> a, int mi, int n, int d) {
int i = 1;
while(a.size() && i <= n) {
for (int j = 0; j < mi; j++) {
if (a.empty()) {
break;
}
if (a.back() > i) {
break;
}
if (i > a.back()+d) {
return 0;
}
a.pop_back();
}
i++;
}
return a.size() == 0;
}
void solve() {
int n, d, m;
cin >> n >> d >> m;
vector<int> a(m);
vector<pair<int, int>> ans;
for (int i = 0; i < m; i++) {
cin >> a[i];
ans.push_back({a[i], i});
}
sort(a.rbegin(), a.rend());
sort(ans.begin(), ans.end());
int l = 1, r = m;
while(l < r) {
int mi = (l+r)/2;
if (check(a, mi, n, d)) {
r = mi;
} else {
l = mi+1;
}
}
cout << l << endl;
int j = 0;
for (int i = 0; i < n; i++) {
int c = l;
while(j < m && c-- && ans[j].first <= i+1) {
cout << ans[j].second+1 << " ";
j++;
}
cout << 0 << endl;
}
}
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);
int t;
t = 1;
while(t--) {
solve();
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
24 ms |
2772 KB |
Output is correct |
2 |
Correct |
24 ms |
2776 KB |
Output is correct |
3 |
Correct |
24 ms |
2776 KB |
Output is correct |
4 |
Correct |
24 ms |
2776 KB |
Output is correct |
5 |
Correct |
23 ms |
2772 KB |
Output is correct |
6 |
Correct |
23 ms |
2776 KB |
Output is correct |
7 |
Correct |
24 ms |
2776 KB |
Output is correct |
8 |
Correct |
26 ms |
2924 KB |
Output is correct |
9 |
Correct |
118 ms |
2960 KB |
Output is correct |
10 |
Correct |
124 ms |
3284 KB |
Output is correct |
11 |
Correct |
25 ms |
2984 KB |
Output is correct |
12 |
Correct |
49 ms |
5576 KB |
Output is correct |
13 |
Correct |
76 ms |
8724 KB |
Output is correct |
14 |
Correct |
116 ms |
11200 KB |
Output is correct |
15 |
Correct |
116 ms |
13464 KB |
Output is correct |
16 |
Correct |
171 ms |
18020 KB |
Output is correct |
17 |
Correct |
182 ms |
19388 KB |
Output is correct |
18 |
Correct |
190 ms |
22200 KB |
Output is correct |
19 |
Correct |
290 ms |
24252 KB |
Output is correct |
20 |
Correct |
191 ms |
19900 KB |
Output is correct |