#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1e6 + 25;
int n, d, m;
int a[MAXN];
bool check (int x) {
bool flag = 1;
int ptr = 1;
for (int day = 1; day <= n; day++) {
int cnt = 0;
while (ptr <= m && a[ptr] <= day && cnt + 1 <= x) {
flag &= day <= a[ptr] + d;
ptr++; cnt++;
}
}
flag &= ptr == m + 1;
return flag;
}
void cringe () {
for (int i = 1; i <= n; i++) cout << 0 << endl;
}
int main () {
ios::sync_with_stdio(0); cin.tie(0);
//freopen("rand", "r", stdin);
cin >> n >> d >> m;
for (int i = 1; i <= m; i++) cin >> a[i];
sort(a + 1, a + m + 1);
int l = 1, r = m - 1, ans = m;
while (l <= r) {
int mid = (l + r) >> 1;
if (check(mid)) {
r = mid - 1; ans = mid;
} else {
l = mid + 1;
}
}
cout << ans << '\n';
cringe();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
21 ms |
2652 KB |
Output is correct |
2 |
Correct |
18 ms |
2648 KB |
Output is correct |
3 |
Correct |
18 ms |
2652 KB |
Output is correct |
4 |
Correct |
18 ms |
2648 KB |
Output is correct |
5 |
Correct |
21 ms |
2648 KB |
Output is correct |
6 |
Correct |
18 ms |
2696 KB |
Output is correct |
7 |
Correct |
18 ms |
2652 KB |
Output is correct |
8 |
Correct |
18 ms |
2708 KB |
Output is correct |
9 |
Correct |
125 ms |
3244 KB |
Output is correct |
10 |
Correct |
118 ms |
2704 KB |
Output is correct |
11 |
Correct |
12 ms |
2652 KB |
Output is correct |
12 |
Correct |
23 ms |
2700 KB |
Output is correct |
13 |
Correct |
33 ms |
2652 KB |
Output is correct |
14 |
Correct |
60 ms |
2648 KB |
Output is correct |
15 |
Correct |
56 ms |
2668 KB |
Output is correct |
16 |
Correct |
85 ms |
2648 KB |
Output is correct |
17 |
Correct |
100 ms |
3180 KB |
Output is correct |
18 |
Correct |
104 ms |
3576 KB |
Output is correct |
19 |
Correct |
214 ms |
4084 KB |
Output is correct |
20 |
Correct |
98 ms |
3172 KB |
Output is correct |