#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#pragma GCC optimize("O3,unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#define all(v) v.begin(), v.end()
#define pb push_back
#define ss second
#define ff first
#define vt vector
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef pair<int, int> pii;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
const int inf = 1e9;
const int mod = 1e9+7;
const int maxn = 1e6 + 1;
void solve() {
int n, p, q;
cin >> n >> p >> q;
if(p + q >= n){
cout << 1;
return;
}
int a[n + 1], dp[n + 1][q + 1];
for(int i = 1; i <= n; i++){
cin >> a[i];
}
int l = 0, r = inf;
while(l + 1 < r){
int w = l + (r - l) / 2;
for(int i = 0; i <= q; i++)dp[0][i] = 0;
for(int i = 1, xl = 1, lx = 1; i <= n; i++){
while(a[i] - a[xl] >= w * 2){
xl++;
}
while(a[i] - a[lx] >= w)lx++;
dp[i][0] = dp[lx - 1][0] + 1;
for(int j = 1; j <= q; j++){
dp[i][j] = min(dp[xl - 1][j - 1], dp[lx - 1][j] + 1);
}
}
if(dp[n][q] <= p)r = w;
else l = w;
}
cout << r;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int times = 1;
//cin >> times;
for(int i = 1; i <= times; i++) {
solve();
}
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
