#include "bits/stdc++.h"
#include "ricehub.h"
#define i64 long long
using namespace std;
const int sz = 2e5 + 10;
int a[sz];
int n;
i64 b;
bool che(int x) {
int ra = x / 2;
int ps = ra;
i64 sm = 0;
for (int i = 0; i < x; i ++) {
sm += abs(a[i] - a[ps]);
}
// cout << x << ' ' << ps << ' ' << sm << '\n';
if (sm <= b) {
return true;
}
ps ++;
for (; ps < n - ra + !(x % 2); ps ++) {
int pps = ps - 1; // previous ps
sm -= abs(a[pps - ra] - a[pps]); // delete leftmost
sm += abs(a[ps + ra - !(x % 2)] - a[ps]); // add rightmost
// cout << x << ' ' << ps << ' ' << sm << '\n';
if (sm <= b) {
return true;
}
}
return false;
}
int besthub(int R, int L, int X[], long long B)
{
int le, ri;
le = 0, ri = R + 1;
for (int i = 0; i < R; i ++) {
a[i] = X[i];
}
b = B;
n = R;
while (1 < ri - le) {
int mi = le + (ri - le) / 2;
if (che(mi)) {
le = mi;
} else {
ri = mi;
}
}
return le;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
3 ms |
600 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |