#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int n, d, m;
cin >> n >> d >> m;
vector<vector<int>> use(n);
for(int i = 0; i < m; i++) {
int x;
cin >> x;
use[x - 1].push_back(i);
}
auto check = [&](int co) -> vector<vector<int>> {
vector<vector<int>> ans(n);
queue<pair<int,int>> closest;
for(int i = 0; i < n; i++) {
for(int x : use[i]) {
closest.push({i + d, x});
}
if(!closest.empty() && closest.front().first < i) return vector<vector<int>>{};
for(int j = 0; j < co && !closest.empty(); j++) {
ans[i].push_back(closest.front().second);
closest.pop();
}
}
if(!closest.empty()) return vector<vector<int>>{};
return ans;
};
int l = 0, r = m;
while(l + 1 < r) {
int mid = (l + r) / 2;
if(!check(mid).empty()) r = mid;
else l = mid;
}
cout << r << "\n";
auto ans = check(r);
for(int i = 0; i < n; i++) {
for(int x : ans[i]) cout << x + 1 << " ";
cout << 0 << "\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
3112 KB |
Output is correct |
2 |
Correct |
41 ms |
3112 KB |
Output is correct |
3 |
Correct |
39 ms |
3112 KB |
Output is correct |
4 |
Correct |
39 ms |
3112 KB |
Output is correct |
5 |
Correct |
40 ms |
3112 KB |
Output is correct |
6 |
Correct |
39 ms |
3112 KB |
Output is correct |
7 |
Correct |
39 ms |
3112 KB |
Output is correct |
8 |
Correct |
39 ms |
3112 KB |
Output is correct |
9 |
Correct |
54 ms |
7104 KB |
Output is correct |
10 |
Correct |
53 ms |
7228 KB |
Output is correct |
11 |
Correct |
37 ms |
2028 KB |
Output is correct |
12 |
Correct |
82 ms |
3892 KB |
Output is correct |
13 |
Correct |
125 ms |
6652 KB |
Output is correct |
14 |
Correct |
192 ms |
9040 KB |
Output is correct |
15 |
Correct |
194 ms |
8632 KB |
Output is correct |
16 |
Correct |
260 ms |
12160 KB |
Output is correct |
17 |
Correct |
351 ms |
16068 KB |
Output is correct |
18 |
Correct |
340 ms |
14980 KB |
Output is correct |
19 |
Correct |
406 ms |
20004 KB |
Output is correct |
20 |
Correct |
330 ms |
15992 KB |
Output is correct |