#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
int main(){
cin.sync_with_stdio(0); cin.tie(0);
LL n, k, t;
cin >> n >> k >> t;
k--;
vector<LL> x(n);
for(int i = 0; i < n; i++){
cin >> x[i];
}
LL s = -1; // cant
LL e = 1000000000;
while(s + 1 < e){
LL m = (s + e) / 2;
vector<LL> y(n);
for(LL i = 0; i < n; i++){
y[i] -= m * t * 2 * i;
}
LL dp[n][n];
dp[k][k] = 1;
for(LL i = k; i >= 0; i--){
for(LL j = k; j < n; j++){
dp[i][j] = 0;
if(y[j] <= y[i]){
if(i == k && j == k){
continue;
}
if((i < k && dp[i+1][j]) || (j > k && dp[i][j-1])){
dp[i][j] = 1;
}
}
}
}
if(dp[0][n-1]){
e = m;
} else {
s = m;
}
}
cout << e << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |